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Author SHA1 Message Date
Sebastián Ramírez
8d27236648 🔖 Release version 0.100.1 2023-07-27 21:16:01 +02:00
Sebastián Ramírez
effa578b8d 📝 Update release notes 2023-07-27 21:15:16 +02:00
github-actions
bec5530ac8 📝 Update release notes 2023-07-27 19:14:48 +00:00
Orest Furda
7b3d770d65 🌐 Add Ukrainian translation for docs/uk/docs/tutorial/body.md (#4574)
Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-07-27 21:09:34 +02:00
github-actions
643d8e41c4 📝 Update release notes 2023-07-27 19:08:23 +00:00
github-actions
c52c940066 📝 Update release notes 2023-07-27 19:04:24 +00:00
Nguyễn Khắc Thành
1d088eaf18 🌐 Add Vietnamese translation for docs/vi/docs/features.md and docs/vi/docs/index.md (#3006)
Co-authored-by: Nguyen Khac Thanh <nkthanh@Nguyens-MacBook-Pro.local>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>
2023-07-27 21:01:57 +02:00
github-actions
77cfb3c822 📝 Update release notes 2023-07-27 18:59:56 +00:00
Nina Hwang
55871036db 🌐 Add Korean translation for docs/ko/docs/async.md (#4179)
Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-07-27 20:59:18 +02:00
github-actions
e334065d10 📝 Update release notes 2023-07-27 18:57:37 +00:00
github-actions
5d3f51c8bc 📝 Update release notes 2023-07-27 18:56:19 +00:00
吴定焕
e081145c7d 🌐 Add Chinese translation for docs/zh/docs/tutorial/background-tasks.md (#9812)
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-07-27 20:55:40 +02:00
github-actions
a52875c656 📝 Update release notes 2023-07-27 18:54:32 +00:00
Sebastián Ramírez
570ca011f9 🔧 Update sponsors, add Fern (#9956) 2023-07-27 20:53:51 +02:00
Sam Courtemanche
04b9a67cbb 🌐 Add French translation for docs/fr/docs/tutorial/query-params-str-validations.md (#4075)
Co-authored-by: Julian Maurin <julian.maurin.perso@pm.me>
Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>
2023-07-27 20:53:21 +02:00
github-actions
02ed00cc47 📝 Update release notes 2023-07-27 18:53:03 +00:00
github-actions
35707a1b29 📝 Update release notes 2023-07-27 18:51:59 +00:00
Julian Maurin
e79dc9697c 🌐 Add French translation for docs/fr/docs/tutorial/index.md (#2234)
Co-authored-by: Ruidy <ruidy.nemausat@gmail.com>
Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>
2023-07-27 20:51:55 +02:00
Julian Maurin
2dcf78f295 🌐 Add French translation for docs/fr/docs/contributing.md (#2132)
Co-authored-by: Ruidy <ruidy.nemausat@gmail.com>
Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>
2023-07-27 20:51:07 +02:00
github-actions
d7c6894b8b 📝 Update release notes 2023-07-27 18:50:16 +00:00
Clément Sauvage
3ffebbcf01 🌐 Add French translation for docs/fr/docs/benchmarks.md (#2155)
Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Sam Courtemanche <smlep.pro@gmail.com>
Co-authored-by: Ruidy <ruidy.nemausat@gmail.com>
2023-07-27 20:49:56 +02:00
mahone3297
943baa387f 🌐 Update Chinese translations with new source files (#9738)
Co-authored-by: mkdir700 <mkdir700@gmail.com>
2023-07-27 20:49:03 +02:00
github-actions
6a95a3a8e7 📝 Update release notes 2023-07-27 18:48:28 +00:00
dedkot
608cc4fea3 🌐 Add Russian translation for docs/tutorial/request-forms.md (#9841) 2023-07-27 20:47:42 +02:00
github-actions
39318a39f4 📝 Update release notes 2023-07-27 18:43:30 +00:00
Creat55
703a1f200a 🌐 Update Chinese translation for docs/zh/docs/tutorial/handling-errors.md (#9485)
Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>
2023-07-27 20:42:48 +02:00
github-actions
7cdea41431 📝 Update release notes 2023-07-27 18:23:13 +00:00
Marcelo Trylesinski
6c99e90a6b 🐛 Replace MultHostUrl to AnyUrl for compatibility with older versions of Pydantic v1 (#9852) 2023-07-27 20:22:23 +02:00
github-actions
f7e3559bd5 📝 Update release notes 2023-07-09 15:45:55 +00:00
github-actions
2d69531509 📝 Update release notes 2023-07-09 15:44:58 +00:00
Sebastián Ramírez
fe91def515 👷 Update FastAPI People token (#9844) 2023-07-09 17:44:40 +02:00
Sebastián Ramírez
73c39745d8 👥 Update FastAPI People (#9775)
Co-authored-by: github-actions <github-actions@github.com>
2023-07-09 17:44:21 +02:00
github-actions
ea92dcaa01 📝 Update release notes 2023-07-09 15:40:19 +00:00
Sebastián Ramírez
9213b72115 👷 Update MkDocs Material token (#9843) 2023-07-09 17:39:42 +02:00
github-actions
eaa14e18d3 📝 Update release notes 2023-07-09 14:37:16 +00:00
Sebastián Ramírez
69df2fa1e5 👷 Update token for latest changes (#9842) 2023-07-09 16:34:45 +02:00
github-actions
c165be380f 📝 Update release notes 2023-07-07 18:15:42 +00:00
Sebastián Ramírez
5f85e2cf58 📝 Update links for self-hosted Swagger UI, point to v5, for OpenAPI 31.0 (#9834)
📝 Update links for self-hosted Swagger UI, point to v5, for OpenAPI 3.1.0
2023-07-07 20:15:08 +02:00
Sebastián Ramírez
f8356d9fff 🔖 Release version 0.100.0 2023-07-07 19:25:59 +02:00
Sebastián Ramírez
179e409159 📝 Update release notes 2023-07-07 19:14:54 +02:00
github-actions
bb7e5b7261 📝 Update release notes 2023-07-07 17:12:58 +00:00
Sebastián Ramírez
0976185af9 Add support for Pydantic v2 (#9816)
*  Pydantic v2 migration, initial implementation (#9500)

*  Add compat layer, for Pydantic v1 and v2

*  Re-export Pydantic needed internals from compat, to later patch them for v1

* ♻️ Refactor internals to use new compatibility layers and run with Pydantic v2

* 📝 Update examples to run with Pydantic v2

*  Update tests to use Pydantic v2

* 🎨 [pre-commit.ci] Auto format from pre-commit.com hooks

*  Temporarily disable Peewee tests, afterwards I'll enable them only for Pydantic v1

* 🐛 Fix JSON Schema generation and OpenAPI ref template

* 🐛 Fix model field creation with defaults from Pydantic v2

* 🐛 Fix body field creation, with new FieldInfo

*  Use and check new ResponseValidationError for server validation errors

*  Fix test_schema_extra_examples tests with ResponseValidationError

*  Add dirty-equals to tests for compatibility with Pydantic v1 and v2

*  Add util to regenerate errors with custom loc

*  Generate validation errors with loc

*  Update tests for compatibility with Pydantic v1 and v2

*  Update tests for Pydantic v2 in tests/test_filter_pydantic_sub_model.py

*  Refactor tests in tests/test_dependency_overrides.py for Pydantic v2, separate parameterized into independent tests to use insert_assert

*  Refactor OpenAPI test for tests/test_infer_param_optionality.py for consistency, and make it compatible with Pydantic v1 and v2

*  Update tests for tests/test_multi_query_errors.py for Pydantic v1 and v2

*  Update tests for tests/test_multi_body_errors.py for Pydantic v1 and v2

*  Update tests for tests/test_multi_body_errors.py for Pydantic v1 and v2

* 🎨 [pre-commit.ci] Auto format from pre-commit.com hooks

* ♻️ Refactor tests for tests/test_path.py to inline pytest parameters, to make it easier to make them compatible with Pydantic v2

*  Refactor and udpate tests for tests/test_path.py for Pydantic v1 and v2

* ♻️ Refactor and update tests for tests/test_query.py with compatibility for Pydantic v1 and v2

*  Fix test with optional field without default None

*  Update tests for compatibility with Pydantic v2

*  Update tutorial tests for Pydantic v2

* ♻️ Update OAuth2 dependencies for Pydantic v2

* ♻️ Refactor str check when checking for sequence types

* ♻️ Rename regex to pattern to keep in sync with Pydantic v2

* ♻️ Refactor _compat.py, start moving conditional imports and declarations to specifics of Pydantic v1 or v2

*  Update tests for OAuth2 security optional

*  Refactor tests for OAuth2 optional for Pydantic v2

*  Refactor tests for OAuth2 security for compatibility with Pydantic v2

* 🐛 Fix location in compat layer for Pydantic v2 ModelField

*  Refactor tests for Pydantic v2 in tests/test_tutorial/test_bigger_applications/test_main_an_py39.py

* 🐛 Add missing markers in Python 3.9 tests

*  Refactor tests for bigger apps for consistency with annotated ones and with support for Pydantic v2

* 🐛 Fix jsonable_encoder with new Pydantic v2 data types and Url

* 🐛 Fix invalid JSON error for compatibility with Pydantic v2

*  Update tests for behind_a_proxy for Pydantic v2

*  Update tests for tests/test_tutorial/test_body/test_tutorial001_py310.py for Pydantic v2

*  Update tests for tests/test_tutorial/test_body/test_tutorial001.py with Pydantic v2 and consistency with Python 3.10 tests

*  Fix tests for tutorial/body_fields for Pydantic v2

*  Refactor tests for tutorial/body_multiple_params with Pydantic v2

*  Update tests for tutorial/body_nested_models for Pydantic v2

*  Update tests for tutorial/body_updates for Pydantic v2

*  Update test for tutorial/cookie_params for Pydantic v2

*  Fix tests for tests/test_tutorial/test_custom_request_and_route/test_tutorial002.py for Pydantic v2

*  Update tests for tutorial/dataclasses for Pydantic v2

*  Update tests for tutorial/dependencies for Pydantic v2

*  Update tests for tutorial/extra_data_types for Pydantic v2

*  Update tests for tutorial/handling_errors for Pydantic v2

*  Fix test markers for Python 3.9

*  Update tests for tutorial/header_params for Pydantic v2

*  Update tests for Pydantic v2 in tests/test_tutorial/test_openapi_callbacks/test_tutorial001.py

*  Fix extra tests for Pydantic v2

*  Refactor test for parameters, to later fix Pydantic v2

*  Update tests for tutorial/query_params for Pydantic v2

* ♻️ Update examples in docs to use new pattern instead of the old regex

*  Fix several tests for Pydantic v2

*  Update and fix test for ResponseValidationError

* 🐛 Fix check for sequences vs scalars, include bytes as scalar

* 🐛 Fix check for complex data types, include UploadFile

* 🐛 Add list to sequence annotation types

* 🐛 Fix checks for uploads and add utils to find if an annotation is an upload (or bytes)

*  Add UnionType and NoneType to compat layer

*  Update tests for request_files for compatibility with Pydantic v2 and consistency with other tests

*  Fix testsw for request_forms for Pydantic v2

*  Fix tests for request_forms_and_files for Pydantic v2

*  Fix tests in tutorial/security for compatibility with Pydantic v2

* ⬆️ Upgrade required version of email_validator

*  Fix tests for params repr

*  Add Pydantic v2 pytest markers

* Use match_pydantic_error_url

* 🎨 [pre-commit.ci] Auto format from pre-commit.com hooks

* Use field_serializer instead of encoders in some tests

* Show Undefined as ... in repr

* Mark custom encoders test with xfail

* Update test to reflect new serialization of Decimal as str

* Use `model_validate` instead of `from_orm`

* Update JSON schema to reflect required nullable

* Add dirty-equals to pyproject.toml

* Fix locs and error creation for use with pydantic 2.0a4

* Use the type adapter for serialization. This is hacky.

* 🎨 [pre-commit.ci] Auto format from pre-commit.com hooks

*  Refactor test_multi_body_errors for compatibility with Pydantic v1 and v2

*  Refactor test_custom_encoder for Pydantic v1 and v2

*  Set input to None for now, for compatibility with current tests

* 🐛 Fix passing serialization params to model field when handling the response

* ♻️ Refactor exceptions to not depend on Pydantic ValidationError class

* ♻️ Revert/refactor params to simplify repr

*  Tweak tests for custom class encoders for Pydantic v1 and v2

*  Tweak tests for jsonable_encoder for Pydantic v1 and v2

*  Tweak test for compatibility with Pydantic v1 and v2

* 🐛 Fix filtering data with subclasses

* 🐛 Workaround examples in OpenAPI schema

*  Add skip marker for SQL tutorial, needs to be updated either way

*  Update test for broken JSON

*  Fix test for broken JSON

*  Update tests for timedeltas

*  Fix test for plain text validation errors

*  Add markers for Pydantic v1 exclusive tests (for now)

*  Update test for path_params with enums for compatibility with Pydantic v1 and v2

*  Update tests for extra examples in OpenAPI

*  Fix tests for response_model with compatibility with Pydantic v1 and v2

* 🐛 Fix required double serialization for different types of models

*  Fix tests for response model with compatibility with new Pydantic v2

* 🐛 Import Undefined from compat layer

*  Fix tests for response_model for Pydantic v2

*  Fix tests for schema_extra for Pydantic v2

*  Add markers and update tests for Pydantic v2

* 💡 Comment out logic for double encoding that breaks other usecases

*  Update errors for int parsing

* ♻️ Refactor re-enabling compatibility for Pydantic v1

* ♻️ Refactor OpenAPI utils to re-enable support for Pydantic v1

* ♻️ Refactor dependencies/utils and _compat for compatibility with Pydantic v1

* 🐛 Fix and tweak compatibility with Pydantic v1 and v2 in dependencies/utils

*  Tweak tests and examples for Pydantic v1

* ♻️ Tweak call to ModelField.validate for compatibility with Pydantic v1

*  Use new global override TypeAdapter from_attributes

*  Update tests after updating from_attributes

* 🔧 Update pytest config to avoid collecting tests from docs, useful for editor-integrated tests

*  Add test for data filtering, including inheritance and models in fields or lists of models

* ♻️ Make OpenAPI models compatible with both Pydantic v1 and v2

* ♻️ Fix compatibility for Pydantic v1 and v2 in jsonable_encoder

* ♻️ Fix compatibility in params with Pydantic v1 and v2

* ♻️ Fix compatibility when creating a FieldInfo in Pydantic v1 and v2 in utils.py

* ♻️ Fix generation of flat_models and JSON Schema definitions in _compat.py for Pydantic v1 and v2

* ♻️ Update handling of ErrorWrappers for Pydantic v1

* ♻️ Refactor checks and handling of types an sequences

* ♻️ Refactor and cleanup comments with compatibility for Pydantic v1 and v2

* ♻️ Update UploadFile for compatibility with both Pydantic v1 and v2

* 🔥 Remove commented out unneeded code

* 🐛 Fix mock of get_annotation_from_field_info for Pydantic v1 and v2

* 🐛 Fix params with compatibility for Pydantic v1 and v2, with schemas and new pattern vs regex

* 🐛 Fix check if field is sequence for Pydantic v1

*  Fix tests for custom_schema_fields, for compatibility with Pydantic v1 and v2

*  Simplify and fix tests for jsonable_encoder with compatibility for Pydantic v1 and v2

*  Fix tests for orm_mode with Pydantic v1 and compatibility with Pydantic v2

* ♻️ Refactor logic for normalizing Pydantic v1 ErrorWrappers

* ♻️ Workaround for params with examples, before defining what to deprecate in Pydantic v1 and v2 for examples with JSON Schema vs OpenAPI

*  Fix tests for Pydantic v1 and v2 for response_by_alias

*  Fix test for schema_extra with compatibility with Pydantic v1 and v2

* ♻️ Tweak error regeneration with loc

* ♻️ Update error handling and serializationwith compatibility for Pydantic v1 and v2

* ♻️ Re-enable custom encoders for Pydantic v1

* ♻️ Update ErrorWrapper reserialization in Pydantic v1, do it outside of FastAPI ValidationExceptions

*  Update test for filter_submodel, re-structure to simplify testing while keeping division of Pydantic v1 and v2

*  Refactor Pydantic v1 only test that requires modifying environment variables

* 🔥 Update test for plaintext error responses, for Pydantic v1 and v2

* ️ Revert changes in DB tutorial to use Pydantic v1 (the new guide will have SQLModel)

*  Mark current SQL DB tutorial tests as Pydantic only

* ♻️ Update datastructures for compatibility with Pydantic v1, not requiring pydantic-core

* ♻️ Update encoders.py for compatibility with Pydantic v1

* ️ Revert changes to Peewee, the docs for that are gonna live in a new HowTo section, not in the main tutorials

* ♻️ Simplify response body kwargs generation

* 🔥 Clean up comments

* 🔥 Clean some tests and comments

*  Refactor tests to match new Pydantic error string URLs

*  Refactor tests for recursive models for Pydantic v1 and v2

*  Update tests for Peewee, re-enable, Pydantic-v1-only

* ♻️ Update FastAPI params to take regex and pattern arguments

* ️ Revert tutorial examples for pattern, it will be done in a subsequent PR

* ️ Revert changes in schema extra examples, it will be added later in a docs-specific PR

* 💡 Add TODO comment to document str validations with pattern

* 🔥 Remove unneeded comment

* 📌 Upgrade Pydantic pin dependency

* ⬆️ Upgrade email_validator dependency

* 🐛 Tweak type annotations in _compat.py

* 🔇 Tweak mypy errors for compat, for Pydantic v1 re-imports

* 🐛 Tweak and fix type annotations

*  Update requirements-test.txt, re-add dirty-equals

* 🔥 Remove unnecessary config

* 🐛 Tweak type annotations

* 🔥 Remove unnecessary type in dependencies/utils.py

* 💡 Update comment in routing.py

---------

Co-authored-by: David Montague <35119617+dmontagu@users.noreply.github.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

* 👷 Add CI for both Pydantic v1 and v2 (#9688)

* 👷 Test and install Pydantic v1 and v2 in CI

* 💚 Tweak CI config for Pydantic v1 and v2

* 💚 Fix Pydantic v2 specification in CI

* 🐛 Fix type annotations for compatibility with Python 3.7

* 💚 Install Pydantic v2 for lints

* 🐛 Fix type annotations for Pydantic v2

* 💚 Re-use test cache for lint

* ♻️ Refactor internals for test coverage and performance (#9691)

* ♻️ Tweak import of Annotated from typing_extensions, they are installed anyway

* ♻️ Refactor _compat to define functions for Pydantic v1 or v2 once instead of checking inside

*  Add test for UploadFile for Pydantic v2

* ♻️ Refactor types and remove logic for impossible cases

*  Add missing tests from test refactor for path params

*  Add tests for new decimal encoder

* 💡 Add TODO comment for decimals in encoders

* 🔥 Remove unneeded dummy function

* 🔥 Remove section of code in field_annotation_is_scalar covered by sub-call to field_annotation_is_complex

* ♻️ Refactor and tweak variables and types in _compat

*  Add tests for corner cases and compat with Pydantic v1 and v2

* ♻️ Refactor type annotations

* 🔖 Release version 0.100.0-beta1

* ♻️ Refactor parts that use optional requirements to make them compatible with installations without them (#9707)

* ♻️ Refactor parts that use optional requirements to make them compatible with installations without them

* ♻️ Update JSON Schema for email field without email-validator installed

* 🐛 Fix support for Pydantic v2.0, small changes in their final release (#9771)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>

* 🔖 Release version 0.100.0-beta2

*  OpenAPI 3.1.0 with Pydantic v2, merge `master` (#9773)

*  Add dirty-equals as a testing dependency (#9778)

 Add dirty-equals as a testing dependency, it seems it got lsot at some point

* 🔀 Merge master, fix valid JSON Schema accepting bools (#9782)

* ️ Revert usage of custom logic for TypeAdapter JSON Schema, solved on the Pydantic side (#9787)

️ Revert usage of custom logic for TypeAdapter JSON Schema, solved on Pydantic side

* ♻️ Deprecate parameter `regex`, use `pattern` instead (#9786)

* 📝 Update docs to deprecate regex, recommend pattern

* ♻️ Update examples to use new pattern instead of regex

* 📝 Add new example with deprecated regex

* ♻️ Add deprecation notes and warnings for regex

*  Add tests for regex deprecation

*  Update tests for compatibility with Pydantic v1

*  Update docs to use Pydantic v2 settings and add note and example about v1 (#9788)

*  Add pydantic-settings to all extras

* 📝 Update docs for Pydantic settings

* 📝 Update Settings source examples to use Pydantic v2, and add a Pydantic v1 version

*  Add tests for settings with Pydantic v1 and v2

* 🔥 Remove solved TODO comment

* ♻️ Update conditional OpenAPI to use new Pydantic v2 settings

*  Update tests to import Annotated from typing_extensions for Python < 3.9 (#9795)

*  Add pydantic-extra-types to fastapi[extra]

*  temp: Install Pydantic from source to test JSON Schema metadata fixes (#9777)

*  Install Pydantic from source, from branch for JSON Schema with metadata

*  Update dependencies, install Pydantic main

*  Fix dependency URL for Pydantic from source

*  Add pydantic-settings for test requirements

* 💡 Add TODO comments to re-enable Pydantic main (not from source) (#9796)

*  Add new Pydantic Field param options to Query, Cookie, Body, etc. (#9797)

* 📝 Add docs for Pydantic v2 for `docs/en/docs/advanced/path-operation-advanced-configuration.md` (#9798)

* 📝 Update docs in examples for settings with Pydantic v2 (#9799)

* 📝 Update JSON Schema `examples` docs with Pydantic v2 (#9800)

* ♻️ Use new Pydantic v2 JSON Schema generator (#9813)

Co-authored-by: David Montague <35119617+dmontagu@users.noreply.github.com>

* ♻️ Tweak type annotations and Pydantic version range (#9801)

* 📌 Re-enable GA Pydantic, for v2, require minimum 2.0.2 (#9814)

* 🔖 Release version 0.100.0-beta3

* 🔥 Remove duplicate type declaration from merge conflicts (#9832)

* 👷‍♂️ Run tests with Pydantic v2 GA (#9830)

👷 Run tests for Pydantic v2 GA

* 📝 Add notes to docs expecting Pydantic v2 and future updates (#9833)

* 📝 Update index with new extras

* 📝 Update release notes

---------

Co-authored-by: David Montague <35119617+dmontagu@users.noreply.github.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Pastukhov Nikita <diementros@yandex.ru>
2023-07-07 19:12:13 +02:00
Sebastián Ramírez
dd4e78ca7b 🔖 Release version 0.99.1 2023-07-02 18:00:39 +02:00
Sebastián Ramírez
8a198fc1ed 📝 Update release notes 2023-07-02 18:00:12 +02:00
github-actions
6bd4f53531 📝 Update release notes 2023-07-02 15:59:00 +00:00
Sebastián Ramírez
07e1dea467 🐛 Fix JSON Schema accepting bools as valid JSON Schemas, e.g. additionalProperties: false (#9781)
* 🐛 Fix JSON Schema accepting bools as valid JSON Schemas, e.g. additionalProperties: false

*  Add test to ensure additionalProperties can be false

* ♻️ Tweak OpenAPI models to support Pydantic v1's JSON Schema for tuples
2023-07-02 17:58:23 +02:00
github-actions
0f105d9076 📝 Update release notes 2023-07-01 16:44:12 +00:00
Sebastián Ramírez
4d83f984cc 📝 Update source examples to use new JSON Schema examples field (#9776)
* 📝 Update source examples to use new JSON Schema examples field

*  Update tests for JSON Schema examples

* 📝 Update highlights in JSON Schema examples
2023-07-01 18:43:29 +02:00
Sebastián Ramírez
983f1d34db 🔖 Release version 0.99.0 2023-06-30 20:55:17 +02:00
Sebastián Ramírez
efc2bcc57a 📝 Update release notes 2023-06-30 20:54:25 +02:00
github-actions
b757211299 📝 Update release notes 2023-06-30 18:25:53 +00:00
Sebastián Ramírez
7dad5a820b Add support for OpenAPI 3.1.0 (#9770)
*  Update OpenAPI models for JSON Schema 2020-12 and OpenAPI 3.1.0

*  Add support for summary and webhooks

*  Update JSON Schema for UploadFiles

* ️ Revert making paths optional, to ensure always correctness

* ️ Keep UploadFile as format: binary for compatibility with the rest of Pydantic bytes fields in v1

*  Update version of OpenAPI generated to 3.1.0

*  Update the version of Swagger UI

* 📝 Update docs about extending OpenAPI

* 📝 Update docs and links to refer to OpenAPI 3.1.0

*  Update logic for handling webhooks

* ♻️ Update parameter functions and classes, deprecate example and make examples the main field

*  Update tests for OpenAPI 3.1.0

* 📝 Update examples for OpenAPI metadata

*  Add and update tests for OpenAPI metadata

* 📝 Add source example for webhooks

* 📝 Update docs for metadata

* 📝 Update docs for Schema extra

* 📝 Add docs for webhooks

* 🔧 Add webhooks docs to MkDocs

*  Update tests for extending OpenAPI

*  Add tests for webhooks

* ♻️ Refactor generation of OpenAPI and JSON Schema with params

* 📝 Update source examples for field examples

*  Update tests for examples

*  Make sure the minimum version of typing-extensions installed has deprecated() (already a dependency of Pydantic)

* ✏️ Fix typo in Webhooks example code

* 🔥 Remove commented out code of removed nullable field

* 🗑️ Add deprecation warnings for example argument

*  Update tests to check for deprecation warnings

*  Add test for webhooks with security schemes, for coverage

* 🍱 Update image for metadata, with new summary

* 🍱 Add docs image for Webhooks

* 📝 Update docs for webhooks, add docs UI image
2023-06-30 20:25:16 +02:00
github-actions
02fc9e8a63 📝 Update release notes 2023-06-30 16:23:36 +00:00
Sebastián Ramírez
0a8423d792 🔨 Enable linenums in MkDocs Material during local live development to simplify highlighting code (#9769) 2023-06-30 18:23:02 +02:00
github-actions
0f390cd4b5 📝 Update release notes 2023-06-28 16:39:44 +00:00
Carson Crane
1f21b16e03 Add support for deque objects and children in jsonable_encoder (#9433)
Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>
2023-06-28 18:39:10 +02:00
github-actions
d409c05d6f 📝 Update release notes 2023-06-27 01:14:01 +00:00
dependabot[bot]
782b1c49a9 ⬆ Update httpx requirement from <0.24.0,>=0.23.0 to >=0.23.0,<0.25.0 (#9724)
Updates the requirements on [httpx](https://github.com/encode/httpx) to permit the latest version.
- [Release notes](https://github.com/encode/httpx/releases)
- [Changelog](https://github.com/encode/httpx/blob/master/CHANGELOG.md)
- [Commits](https://github.com/encode/httpx/compare/0.23.0...0.24.1)

---
updated-dependencies:
- dependency-name: httpx
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
2023-06-27 03:13:10 +02:00
github-actions
706d74b6ad 📝 Update release notes 2023-06-27 01:10:40 +00:00
dependabot[bot]
9debdc97ef ⬆ Bump mkdocs-material from 9.1.16 to 9.1.17 (#9746)
Bumps [mkdocs-material](https://github.com/squidfunk/mkdocs-material) from 9.1.16 to 9.1.17.
- [Release notes](https://github.com/squidfunk/mkdocs-material/releases)
- [Changelog](https://github.com/squidfunk/mkdocs-material/blob/master/CHANGELOG)
- [Commits](https://github.com/squidfunk/mkdocs-material/compare/9.1.16...9.1.17)

---
updated-dependencies:
- dependency-name: mkdocs-material
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
2023-06-27 03:08:43 +02:00
github-actions
6c143b930d 📝 Update release notes 2023-06-27 01:07:03 +00:00
github-actions
dffca555ff 📝 Update release notes 2023-06-27 01:06:48 +00:00
Sebastián Ramírez
5e7d45af16 🔥 Remove missing translation dummy pages, no longer necessary (#9751) 2023-06-27 03:06:27 +02:00
pre-commit-ci[bot]
eb312758d8 ⬆ [pre-commit.ci] pre-commit autoupdate (#9259)
updates:
- [github.com/asottile/pyupgrade: v3.3.1 → v3.7.0](https://github.com/asottile/pyupgrade/compare/v3.3.1...v3.7.0)
- [github.com/charliermarsh/ruff-pre-commit: v0.0.272 → v0.0.275](https://github.com/charliermarsh/ruff-pre-commit/compare/v0.0.272...v0.0.275)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-06-27 03:06:02 +02:00
github-actions
a95af94669 📝 Update release notes 2023-06-27 01:02:34 +00:00
mojtaba
6ba4492670 🌐 Add Persian translation for docs/fa/docs/advanced/sub-applications.md (#9692)
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Amin Alaee <mohammadamin.alaee@gmail.com>
Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>
2023-06-27 03:02:00 +02:00
github-actions
317cef3f8a 📝 Update release notes 2023-06-27 01:00:55 +00:00
Sergei Glazkov
81772b46a8 🌐 Add Russian translation for docs/ru/docs/tutorial/response-model.md (#9675)
Co-authored-by: s.glazkov <s.glazkov@polymatica.ru>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Alexandr <alexandrhub@vk.com>
Co-authored-by: ivan-abc <36765187+ivan-abc@users.noreply.github.com>
Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>
2023-06-27 03:00:19 +02:00
github-actions
47524eee1b 📝 Update release notes 2023-06-26 16:03:19 +00:00
Sebastián Ramírez
872af100f5 📝 Fix form for the FastAPI and friends newsletter (#9749) 2023-06-26 18:02:34 +02:00
github-actions
d1c5c5c97c 📝 Update release notes 2023-06-26 14:06:24 +00:00
Sebastián Ramírez
ed297bb2e0 Add Material for MkDocs Insiders features and cards (#9748)
*  Add dependencies for MkDocs Insiders

* 🙈 Add Insider's .cache to .gitignore

* 🔧 Update MkDocs configs for Insiders

* 💄 Add custom Insiders card layout, while the custom logo is provided from upstream

* 🔨 Update docs.py script to dynamically enable insiders if it's installed

* 👷 Add cache for MkDocs Material Insiders' cards

* 🔊 Add a small log to the docs CLI

* 🔊 Tweak logs, only after exporting languages

* 🐛 Fix accessing non existing env var

* 🔧 Invalidate deps cache

* 🔧 Tweak cache IDs

* 👷 Update cache for installing insiders

* 🔊 Log insiders

* 💚 Invalidate cache

* 👷 Tweak cache keys

* 👷 Trigger CI and test cache

* 🔥 Remove cache comment

* ️ Optimize cache usage for first runs of docs

* 👷 Tweak cache for MkDocs Material cards

* 💚 Trigger CI to test cache
2023-06-26 16:05:43 +02:00
github-actions
afc237ad53 📝 Update release notes 2023-06-25 12:57:53 +00:00
Sebastián Ramírez
b107b6a096 🔥 Remove languages without translations (#9743)
* 🔥 Remove lang directories for empty translations

* 🔥 Remove untranslated langs from main config
2023-06-25 14:57:19 +02:00
github-actions
be8e704e46 📝 Update release notes 2023-06-25 12:34:39 +00:00
Sebastián Ramírez
5656ed09ef Refactor docs for building scripts, use MkDocs hooks, simplify (remove) configs for languages (#9742)
*  Add MkDocs hooks to re-use all config from en, and auto-generate missing docs files form en

* 🔧 Update MkDocs config for es

* 🔧 Simplify configs for all languages

*  Compute available languages from MkDocs Material for config overrides in hooks

* 🔧 Update config for MkDocs for en, to make paths compatible for other languages

* ♻️ Refactor scripts/docs.py to remove all custom logic that is now handled by the MkDocs hooks

* 🔧 Remove ta language as it's incomplete (no translations and causing errors)

* 🔥 Remove ta lang, no translations available

* 🔥 Remove dummy overrides directories, no longer needed

*  Use the same missing-translation.md file contents for hooks

* ️ Restore and refactor new-lang command

* 📝 Update docs for contributing with new simplified workflow for translations

* 🔊 Enable logs so that MkDocs can show its standard output on the docs.py script
2023-06-25 14:33:58 +02:00
github-actions
c563b5bcf1 📝 Update release notes 2023-06-24 14:47:59 +00:00
Sebastián Ramírez
51d3a8ff12 🔨 Add MkDocs hook that renames sections based on the first index file (#9737) 2023-06-24 16:47:15 +02:00
github-actions
3aea9acc68 📝 Update release notes 2023-06-24 12:31:54 +00:00
Sebastián Ramírez
dfa56f743a 👷 Make cron jobs run only on main repo, not on forks, to avoid error notifications from missing tokens (#9735) 2023-06-24 14:30:57 +02:00
github-actions
8cee653ad8 📝 Update release notes 2023-06-24 12:29:17 +00:00
Sebastián Ramírez
dd590f46ad 🔧 Update MkDocs for other languages (#9734) 2023-06-24 14:28:43 +02:00
github-actions
7d865c9487 📝 Update release notes 2023-06-24 00:00:47 +00:00
Sebastián Ramírez
c09e5cdfa7 👷 Refactor Docs CI, run in multiple workers with a dynamic matrix to optimize speed (#9732) 2023-06-24 02:00:12 +02:00
github-actions
2848951082 📝 Update release notes 2023-06-23 23:52:34 +00:00
Sebastián Ramírez
f61217a18a 🔥 Remove old internal GitHub Action watch-previews that is no longer needed (#9730) 2023-06-24 01:51:56 +02:00
github-actions
1471bc956c 📝 Update release notes 2023-06-23 18:17:17 +00:00
Sebastián Ramírez
0c66ec7da9 ⬆️ Upgrade MkDocs and MkDocs Material (#9729) 2023-06-23 20:16:41 +02:00
github-actions
5a3bbb62de 📝 Update release notes 2023-06-23 17:55:46 +00:00
Sebastián Ramírez
42d0d6e4a5 👷 Build and deploy docs only on docs changes (#9728) 2023-06-23 19:55:09 +02:00
572 changed files with 23186 additions and 15602 deletions

View File

@@ -3,10 +3,7 @@ description: "Generate the data for the FastAPI People page"
author: "Sebastián Ramírez <tiangolo@gmail.com>"
inputs:
token:
description: 'User token, to read the GitHub API. Can be passed in using {{ secrets.ACTION_TOKEN }}'
required: true
standard_token:
description: 'Default GitHub Action token, used for the PR. Can be passed in using {{ secrets.GITHUB_TOKEN }}'
description: 'User token, to read the GitHub API. Can be passed in using {{ secrets.FASTAPI_PEOPLE }}'
required: true
runs:
using: 'docker'

View File

@@ -352,7 +352,6 @@ class SponsorsResponse(BaseModel):
class Settings(BaseSettings):
input_token: SecretStr
input_standard_token: SecretStr
github_repository: str
httpx_timeout: int = 30
@@ -609,7 +608,7 @@ if __name__ == "__main__":
logging.basicConfig(level=logging.INFO)
settings = Settings()
logging.info(f"Using config: {settings.json()}")
g = Github(settings.input_standard_token.get_secret_value())
g = Github(settings.input_token.get_secret_value())
repo = g.get_repo(settings.github_repository)
question_commentors, question_last_month_commentors, question_authors = get_experts(
settings=settings

View File

@@ -1,7 +0,0 @@
FROM python:3.7
RUN pip install httpx PyGithub "pydantic==1.5.1"
COPY ./app /app
CMD ["python", "/app/main.py"]

View File

@@ -1,10 +0,0 @@
name: "Watch docs previews in PRs"
description: "Check PRs and trigger new docs deploys"
author: "Sebastián Ramírez <tiangolo@gmail.com>"
inputs:
token:
description: 'Token for the repo. Can be passed in using {{ secrets.GITHUB_TOKEN }}'
required: true
runs:
using: 'docker'
image: 'Dockerfile'

View File

@@ -1,101 +0,0 @@
import logging
from datetime import datetime
from pathlib import Path
from typing import List, Union
import httpx
from github import Github
from github.NamedUser import NamedUser
from pydantic import BaseModel, BaseSettings, SecretStr
github_api = "https://api.github.com"
netlify_api = "https://api.netlify.com"
class Settings(BaseSettings):
input_token: SecretStr
github_repository: str
github_event_path: Path
github_event_name: Union[str, None] = None
class Artifact(BaseModel):
id: int
node_id: str
name: str
size_in_bytes: int
url: str
archive_download_url: str
expired: bool
created_at: datetime
updated_at: datetime
class ArtifactResponse(BaseModel):
total_count: int
artifacts: List[Artifact]
def get_message(commit: str) -> str:
return f"Docs preview for commit {commit} at"
if __name__ == "__main__":
logging.basicConfig(level=logging.INFO)
settings = Settings()
logging.info(f"Using config: {settings.json()}")
g = Github(settings.input_token.get_secret_value())
repo = g.get_repo(settings.github_repository)
owner: NamedUser = repo.owner
headers = {"Authorization": f"token {settings.input_token.get_secret_value()}"}
prs = list(repo.get_pulls(state="open"))
response = httpx.get(
f"{github_api}/repos/{settings.github_repository}/actions/artifacts",
headers=headers,
)
data = response.json()
artifacts_response = ArtifactResponse.parse_obj(data)
for pr in prs:
logging.info("-----")
logging.info(f"Processing PR #{pr.number}: {pr.title}")
pr_comments = list(pr.get_issue_comments())
pr_commits = list(pr.get_commits())
last_commit = pr_commits[0]
for pr_commit in pr_commits:
if pr_commit.commit.author.date > last_commit.commit.author.date:
last_commit = pr_commit
commit = last_commit.commit.sha
logging.info(f"Last commit: {commit}")
message = get_message(commit)
notified = False
for pr_comment in pr_comments:
if message in pr_comment.body:
notified = True
logging.info(f"Docs preview was notified: {notified}")
if not notified:
artifact_name = f"docs-zip-{commit}"
use_artifact: Union[Artifact, None] = None
for artifact in artifacts_response.artifacts:
if artifact.name == artifact_name:
use_artifact = artifact
break
if not use_artifact:
logging.info("Artifact not available")
else:
logging.info(f"Existing artifact: {use_artifact.name}")
response = httpx.post(
"https://api.github.com/repos/tiangolo/fastapi/actions/workflows/preview-docs.yml/dispatches",
headers=headers,
json={
"ref": "master",
"inputs": {
"pr": f"{pr.number}",
"name": artifact_name,
"commit": commit,
},
},
)
logging.info(
f"Trigger sent, response status: {response.status_code} - content: {response.content}"
)
logging.info("Finished")

View File

@@ -4,10 +4,68 @@ on:
branches:
- master
pull_request:
types: [opened, synchronize]
types:
- opened
- synchronize
jobs:
build-docs:
changes:
runs-on: ubuntu-latest
# Required permissions
permissions:
pull-requests: read
# Set job outputs to values from filter step
outputs:
docs: ${{ steps.filter.outputs.docs }}
steps:
- uses: actions/checkout@v3
# For pull requests it's not necessary to checkout the code but for master it is
- uses: dorny/paths-filter@v2
id: filter
with:
filters: |
docs:
- README.md
- docs/**
- docs_src/**
- requirements-docs.txt
langs:
needs:
- changes
runs-on: ubuntu-latest
outputs:
langs: ${{ steps.show-langs.outputs.langs }}
steps:
- uses: actions/checkout@v3
- name: Set up Python
uses: actions/setup-python@v4
with:
python-version: "3.11"
- uses: actions/cache@v3
id: cache
with:
path: ${{ env.pythonLocation }}
key: ${{ runner.os }}-python-docs-${{ env.pythonLocation }}-${{ hashFiles('pyproject.toml', 'requirements-docs.txt') }}-v05
- name: Install docs extras
if: steps.cache.outputs.cache-hit != 'true'
run: pip install -r requirements-docs.txt
# Install MkDocs Material Insiders here just to put it in the cache for the rest of the steps
- name: Install Material for MkDocs Insiders
if: ( github.event_name != 'pull_request' || github.event.pull_request.head.repo.fork == false ) && steps.cache.outputs.cache-hit != 'true'
run: pip install git+https://${{ secrets.FASTAPI_MKDOCS_MATERIAL_INSIDERS }}@github.com/squidfunk/mkdocs-material-insiders.git
- name: Export Language Codes
id: show-langs
run: |
echo "langs=$(python ./scripts/docs.py langs-json)" >> $GITHUB_OUTPUT
build-docs:
needs:
- changes
- langs
if: ${{ needs.changes.outputs.docs == 'true' }}
runs-on: ubuntu-latest
strategy:
matrix:
lang: ${{ fromJson(needs.langs.outputs.langs) }}
steps:
- name: Dump GitHub context
env:
@@ -22,28 +80,35 @@ jobs:
id: cache
with:
path: ${{ env.pythonLocation }}
key: ${{ runner.os }}-python-docs-${{ env.pythonLocation }}-${{ hashFiles('pyproject.toml', 'requirements-docs.txt') }}-v03
key: ${{ runner.os }}-python-docs-${{ env.pythonLocation }}-${{ hashFiles('pyproject.toml', 'requirements-docs.txt') }}-v05
- name: Install docs extras
if: steps.cache.outputs.cache-hit != 'true'
run: pip install -r requirements-docs.txt
- name: Install Material for MkDocs Insiders
if: ( github.event_name != 'pull_request' || github.event.pull_request.head.repo.fork == false ) && steps.cache.outputs.cache-hit != 'true'
run: pip install git+https://${{ secrets.ACTIONS_TOKEN }}@github.com/squidfunk/mkdocs-material-insiders.git
run: pip install git+https://${{ secrets.FASTAPI_MKDOCS_MATERIAL_INSIDERS }}@github.com/squidfunk/mkdocs-material-insiders.git
- name: Update Languages
run: python ./scripts/docs.py update-languages
- uses: actions/cache@v3
with:
key: mkdocs-cards-${{ matrix.lang }}-${{ github.ref }}
path: docs/${{ matrix.lang }}/.cache
- name: Build Docs
run: python ./scripts/docs.py build-all
- name: Zip docs
run: bash ./scripts/zip-docs.sh
run: python ./scripts/docs.py build-lang ${{ matrix.lang }}
- uses: actions/upload-artifact@v3
with:
name: docs-zip
path: ./site/docs.zip
- name: Deploy to Netlify
uses: nwtgck/actions-netlify@v2.0.0
name: docs-site
path: ./site/**
# https://github.com/marketplace/actions/alls-green#why
docs-all-green: # This job does nothing and is only used for the branch protection
if: always()
needs:
- build-docs
runs-on: ubuntu-latest
steps:
- name: Decide whether the needed jobs succeeded or failed
uses: re-actors/alls-green@release/v1
with:
publish-dir: './site'
production-branch: master
github-token: ${{ secrets.FASTAPI_BUILD_DOCS_NETLIFY }}
enable-commit-comment: false
env:
NETLIFY_AUTH_TOKEN: ${{ secrets.NETLIFY_AUTH_TOKEN }}
NETLIFY_SITE_ID: ${{ secrets.NETLIFY_SITE_ID }}
jobs: ${{ toJSON(needs) }}
allowed-skips: build-docs

View File

@@ -1,4 +1,4 @@
name: Preview Docs
name: Deploy Docs
on:
workflow_run:
workflows:
@@ -7,39 +7,42 @@ on:
- completed
jobs:
preview-docs:
deploy-docs:
runs-on: ubuntu-latest
steps:
- name: Dump GitHub context
env:
GITHUB_CONTEXT: ${{ toJson(github) }}
run: echo "$GITHUB_CONTEXT"
- uses: actions/checkout@v3
- name: Clean site
run: |
rm -rf ./site
mkdir ./site
- name: Download Artifact Docs
id: download
uses: dawidd6/action-download-artifact@v2.27.0
with:
if_no_artifact_found: ignore
github_token: ${{ secrets.FASTAPI_PREVIEW_DOCS_DOWNLOAD_ARTIFACTS }}
workflow: build-docs.yml
run_id: ${{ github.event.workflow_run.id }}
name: docs-zip
name: docs-site
path: ./site/
- name: Unzip docs
run: |
cd ./site
unzip docs.zip
rm -f docs.zip
- name: Deploy to Netlify
if: steps.download.outputs.found_artifact == 'true'
id: netlify
uses: nwtgck/actions-netlify@v2.0.0
with:
publish-dir: './site'
production-deploy: false
production-deploy: ${{ github.event.workflow_run.head_repository.full_name == github.repository && github.event.workflow_run.head_branch == 'master' }}
github-token: ${{ secrets.FASTAPI_PREVIEW_DOCS_NETLIFY }}
enable-commit-comment: false
env:
NETLIFY_AUTH_TOKEN: ${{ secrets.NETLIFY_AUTH_TOKEN }}
NETLIFY_SITE_ID: ${{ secrets.NETLIFY_SITE_ID }}
- name: Comment Deploy
if: steps.netlify.outputs.deploy-url != ''
uses: ./.github/actions/comment-docs-preview-in-pr
with:
token: ${{ secrets.FASTAPI_PREVIEW_DOCS_COMMENT_DEPLOY }}

View File

@@ -2,7 +2,7 @@ name: Issue Manager
on:
schedule:
- cron: "0 0 * * *"
- cron: "10 3 * * *"
issue_comment:
types:
- created
@@ -16,6 +16,7 @@ on:
jobs:
issue-manager:
if: github.repository_owner == 'tiangolo'
runs-on: ubuntu-latest
steps:
- uses: tiangolo/issue-manager@0.4.0

View File

@@ -6,6 +6,7 @@ on:
jobs:
label-approved:
if: github.repository_owner == 'tiangolo'
runs-on: ubuntu-latest
steps:
- uses: docker://tiangolo/label-approved:0.0.2

View File

@@ -23,7 +23,7 @@ jobs:
- uses: actions/checkout@v3
with:
# To allow latest-changes to commit to master
token: ${{ secrets.ACTIONS_TOKEN }}
token: ${{ secrets.FASTAPI_LATEST_CHANGES }}
# Allow debugging with tmate
- name: Setup tmate session
uses: mxschmitt/action-tmate@v3
@@ -32,7 +32,7 @@ jobs:
limit-access-to-actor: true
- uses: docker://tiangolo/latest-changes:0.0.3
with:
token: ${{ secrets.FASTAPI_LATEST_CHANGES }}
token: ${{ secrets.GITHUB_TOKEN }}
latest_changes_file: docs/en/docs/release-notes.md
latest_changes_header: '## Latest Changes\n\n'
debug_logs: true

View File

@@ -12,6 +12,7 @@ on:
jobs:
fastapi-people:
if: github.repository_owner == 'tiangolo'
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v3
@@ -26,5 +27,4 @@ jobs:
limit-access-to-actor: true
- uses: ./.github/actions/people
with:
token: ${{ secrets.ACTIONS_TOKEN }}
standard_token: ${{ secrets.FASTAPI_PEOPLE }}
token: ${{ secrets.FASTAPI_PEOPLE }}

View File

@@ -25,10 +25,12 @@ jobs:
id: cache
with:
path: ${{ env.pythonLocation }}
key: ${{ runner.os }}-python-${{ env.pythonLocation }}-${{ hashFiles('pyproject.toml', 'requirements-tests.txt') }}-test-v03
key: ${{ runner.os }}-python-${{ env.pythonLocation }}-pydantic-v2-${{ hashFiles('pyproject.toml', 'requirements-tests.txt') }}-test-v03
- name: Install Dependencies
if: steps.cache.outputs.cache-hit != 'true'
run: pip install -r requirements-tests.txt
- name: Install Pydantic v2
run: pip install "pydantic>=2.0.2,<3.0.0"
- name: Lint
run: bash scripts/lint.sh
@@ -37,6 +39,7 @@ jobs:
strategy:
matrix:
python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
pydantic-version: ["pydantic-v1", "pydantic-v2"]
fail-fast: false
steps:
- uses: actions/checkout@v3
@@ -51,10 +54,16 @@ jobs:
id: cache
with:
path: ${{ env.pythonLocation }}
key: ${{ runner.os }}-python-${{ env.pythonLocation }}-${{ hashFiles('pyproject.toml', 'requirements-tests.txt') }}-test-v03
key: ${{ runner.os }}-python-${{ env.pythonLocation }}-${{ matrix.pydantic-version }}-${{ hashFiles('pyproject.toml', 'requirements-tests.txt') }}-test-v03
- name: Install Dependencies
if: steps.cache.outputs.cache-hit != 'true'
run: pip install -r requirements-tests.txt
- name: Install Pydantic v1
if: matrix.pydantic-version == 'pydantic-v1'
run: pip install "pydantic>=1.10.0,<2.0.0"
- name: Install Pydantic v2
if: matrix.pydantic-version == 'pydantic-v2'
run: pip install "pydantic>=2.0.2,<3.0.0"
- run: mkdir coverage
- name: Test
run: bash scripts/test.sh

2
.gitignore vendored
View File

@@ -16,6 +16,7 @@ Pipfile.lock
env3.*
env
docs_build
site_build
venv
docs.zip
archive.zip
@@ -23,3 +24,4 @@ archive.zip
# vim temporary files
*~
.*.sw?
.cache

View File

@@ -14,14 +14,14 @@ repos:
- id: end-of-file-fixer
- id: trailing-whitespace
- repo: https://github.com/asottile/pyupgrade
rev: v3.3.1
rev: v3.7.0
hooks:
- id: pyupgrade
args:
- --py3-plus
- --keep-runtime-typing
- repo: https://github.com/charliermarsh/ruff-pre-commit
rev: v0.0.272
rev: v0.0.275
hooks:
- id: ruff
args:

View File

@@ -48,6 +48,7 @@ The key features are:
<a href="https://cryptapi.io/" target="_blank" title="CryptAPI: Your easy to use, secure and privacy oriented payment gateway."><img src="https://fastapi.tiangolo.com/img/sponsors/cryptapi.svg"></a>
<a href="https://platform.sh/try-it-now/?utm_source=fastapi-signup&utm_medium=banner&utm_campaign=FastAPI-signup-June-2023" target="_blank" title="Build, run and scale your apps on a modern, reliable, and secure PaaS."><img src="https://fastapi.tiangolo.com/img/sponsors/platform-sh.png"></a>
<a href="https://www.buildwithfern.com/?utm_source=tiangolo&utm_medium=website&utm_campaign=main-badge" target="_blank" title="Fern | SDKs and API docs"><img src="https://fastapi.tiangolo.com/img/sponsors/fern.png"></a>
<a href="https://www.deta.sh/?ref=fastapi" target="_blank" title="The launchpad for all your (team's) ideas"><img src="https://fastapi.tiangolo.com/img/sponsors/deta.svg"></a>
<a href="https://training.talkpython.fm/fastapi-courses" target="_blank" title="FastAPI video courses on demand from people you trust"><img src="https://fastapi.tiangolo.com/img/sponsors/talkpython.png"></a>
<a href="https://testdriven.io/courses/tdd-fastapi/" target="_blank" title="Learn to build high-quality web apps with best practices"><img src="https://fastapi.tiangolo.com/img/sponsors/testdriven.svg"></a>
@@ -447,6 +448,8 @@ To understand more about it, see the section <a href="https://fastapi.tiangolo.c
Used by Pydantic:
* <a href="https://github.com/JoshData/python-email-validator" target="_blank"><code>email_validator</code></a> - for email validation.
* <a href="https://docs.pydantic.dev/latest/usage/pydantic_settings/" target="_blank"><code>pydantic-settings</code></a> - for settings management.
* <a href="https://docs.pydantic.dev/latest/usage/types/extra_types/extra_types/" target="_blank"><code>pydantic-extra-types</code></a> - for extra types to be used with Pydantic.
Used by Starlette:

View File

@@ -1,465 +0,0 @@
{!../../../docs/missing-translation.md!}
<p align="center">
<a href="https://fastapi.tiangolo.com"><img src="https://fastapi.tiangolo.com/img/logo-margin/logo-teal.png" alt="FastAPI"></a>
</p>
<p align="center">
<em>FastAPI framework, high performance, easy to learn, fast to code, ready for production</em>
</p>
<p align="center">
<a href="https://github.com/tiangolo/fastapi/actions?query=workflow%3ATest" target="_blank">
<img src="https://github.com/tiangolo/fastapi/workflows/Test/badge.svg" alt="Test">
</a>
<a href="https://codecov.io/gh/tiangolo/fastapi" target="_blank">
<img src="https://img.shields.io/codecov/c/github/tiangolo/fastapi?color=%2334D058" alt="Coverage">
</a>
<a href="https://pypi.org/project/fastapi" target="_blank">
<img src="https://img.shields.io/pypi/v/fastapi?color=%2334D058&label=pypi%20package" alt="Package version">
</a>
</p>
---
**Documentation**: <a href="https://fastapi.tiangolo.com" target="_blank">https://fastapi.tiangolo.com</a>
**Source Code**: <a href="https://github.com/tiangolo/fastapi" target="_blank">https://github.com/tiangolo/fastapi</a>
---
FastAPI is a modern, fast (high-performance), web framework for building APIs with Python 3.6+ based on standard Python type hints.
The key features are:
* **Fast**: Very high performance, on par with **NodeJS** and **Go** (thanks to Starlette and Pydantic). [One of the fastest Python frameworks available](#performance).
* **Fast to code**: Increase the speed to develop features by about 200% to 300%. *
* **Fewer bugs**: Reduce about 40% of human (developer) induced errors. *
* **Intuitive**: Great editor support. <abbr title="also known as auto-complete, autocompletion, IntelliSense">Completion</abbr> everywhere. Less time debugging.
* **Easy**: Designed to be easy to use and learn. Less time reading docs.
* **Short**: Minimize code duplication. Multiple features from each parameter declaration. Fewer bugs.
* **Robust**: Get production-ready code. With automatic interactive documentation.
* **Standards-based**: Based on (and fully compatible with) the open standards for APIs: <a href="https://github.com/OAI/OpenAPI-Specification" class="external-link" target="_blank">OpenAPI</a> (previously known as Swagger) and <a href="https://json-schema.org/" class="external-link" target="_blank">JSON Schema</a>.
<small>* estimation based on tests on an internal development team, building production applications.</small>
## Sponsors
<!-- sponsors -->
{% if sponsors %}
{% for sponsor in sponsors.gold -%}
<a href="{{ sponsor.url }}" target="_blank" title="{{ sponsor.title }}"><img src="{{ sponsor.img }}" style="border-radius:15px"></a>
{% endfor -%}
{%- for sponsor in sponsors.silver -%}
<a href="{{ sponsor.url }}" target="_blank" title="{{ sponsor.title }}"><img src="{{ sponsor.img }}" style="border-radius:15px"></a>
{% endfor %}
{% endif %}
<!-- /sponsors -->
<a href="https://fastapi.tiangolo.com/fastapi-people/#sponsors" class="external-link" target="_blank">Other sponsors</a>
## Opinions
"_[...] I'm using **FastAPI** a ton these days. [...] I'm actually planning to use it for all of my team's **ML services at Microsoft**. Some of them are getting integrated into the core **Windows** product and some **Office** products._"
<div style="text-align: right; margin-right: 10%;">Kabir Khan - <strong>Microsoft</strong> <a href="https://github.com/tiangolo/fastapi/pull/26" target="_blank"><small>(ref)</small></a></div>
---
"_We adopted the **FastAPI** library to spawn a **REST** server that can be queried to obtain **predictions**. [for Ludwig]_"
<div style="text-align: right; margin-right: 10%;">Piero Molino, Yaroslav Dudin, and Sai Sumanth Miryala - <strong>Uber</strong> <a href="https://eng.uber.com/ludwig-v0-2/" target="_blank"><small>(ref)</small></a></div>
---
"_**Netflix** is pleased to announce the open-source release of our **crisis management** orchestration framework: **Dispatch**! [built with **FastAPI**]_"
<div style="text-align: right; margin-right: 10%;">Kevin Glisson, Marc Vilanova, Forest Monsen - <strong>Netflix</strong> <a href="https://netflixtechblog.com/introducing-dispatch-da4b8a2a8072" target="_blank"><small>(ref)</small></a></div>
---
"_Im over the moon excited about **FastAPI**. Its so fun!_"
<div style="text-align: right; margin-right: 10%;">Brian Okken - <strong><a href="https://pythonbytes.fm/episodes/show/123/time-to-right-the-py-wrongs?time_in_sec=855" target="_blank">Python Bytes</a> podcast host</strong> <a href="https://twitter.com/brianokken/status/1112220079972728832" target="_blank"><small>(ref)</small></a></div>
---
"_Honestly, what you've built looks super solid and polished. In many ways, it's what I wanted **Hug** to be - it's really inspiring to see someone build that._"
<div style="text-align: right; margin-right: 10%;">Timothy Crosley - <strong><a href="https://www.hug.rest/" target="_blank">Hug</a> creator</strong> <a href="https://news.ycombinator.com/item?id=19455465" target="_blank"><small>(ref)</small></a></div>
---
"_If you're looking to learn one **modern framework** for building REST APIs, check out **FastAPI** [...] It's fast, easy to use and easy to learn [...]_"
"_We've switched over to **FastAPI** for our **APIs** [...] I think you'll like it [...]_"
<div style="text-align: right; margin-right: 10%;">Ines Montani - Matthew Honnibal - <strong><a href="https://explosion.ai" target="_blank">Explosion AI</a> founders - <a href="https://spacy.io" target="_blank">spaCy</a> creators</strong> <a href="https://twitter.com/_inesmontani/status/1144173225322143744" target="_blank"><small>(ref)</small></a> - <a href="https://twitter.com/honnibal/status/1144031421859655680" target="_blank"><small>(ref)</small></a></div>
---
## **Typer**, the FastAPI of CLIs
<a href="https://typer.tiangolo.com" target="_blank"><img src="https://typer.tiangolo.com/img/logo-margin/logo-margin-vector.svg" style="width: 20%;"></a>
If you are building a <abbr title="Command Line Interface">CLI</abbr> app to be used in the terminal instead of a web API, check out <a href="https://typer.tiangolo.com/" class="external-link" target="_blank">**Typer**</a>.
**Typer** is FastAPI's little sibling. And it's intended to be the **FastAPI of CLIs**. ⌨️ 🚀
## Requirements
Python 3.7+
FastAPI stands on the shoulders of giants:
* <a href="https://www.starlette.io/" class="external-link" target="_blank">Starlette</a> for the web parts.
* <a href="https://pydantic-docs.helpmanual.io/" class="external-link" target="_blank">Pydantic</a> for the data parts.
## Installation
<div class="termy">
```console
$ pip install fastapi
---> 100%
```
</div>
You will also need an ASGI server, for production such as <a href="https://www.uvicorn.org" class="external-link" target="_blank">Uvicorn</a> or <a href="https://gitlab.com/pgjones/hypercorn" class="external-link" target="_blank">Hypercorn</a>.
<div class="termy">
```console
$ pip install "uvicorn[standard]"
---> 100%
```
</div>
## Example
### Create it
* Create a file `main.py` with:
```Python
from typing import Optional
from fastapi import FastAPI
app = FastAPI()
@app.get("/")
def read_root():
return {"Hello": "World"}
@app.get("/items/{item_id}")
def read_item(item_id: int, q: Optional[str] = None):
return {"item_id": item_id, "q": q}
```
<details markdown="1">
<summary>Or use <code>async def</code>...</summary>
If your code uses `async` / `await`, use `async def`:
```Python hl_lines="9 14"
from typing import Optional
from fastapi import FastAPI
app = FastAPI()
@app.get("/")
async def read_root():
return {"Hello": "World"}
@app.get("/items/{item_id}")
async def read_item(item_id: int, q: Optional[str] = None):
return {"item_id": item_id, "q": q}
```
**Note**:
If you don't know, check the _"In a hurry?"_ section about <a href="https://fastapi.tiangolo.com/async/#in-a-hurry" target="_blank">`async` and `await` in the docs</a>.
</details>
### Run it
Run the server with:
<div class="termy">
```console
$ uvicorn main:app --reload
INFO: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
INFO: Started reloader process [28720]
INFO: Started server process [28722]
INFO: Waiting for application startup.
INFO: Application startup complete.
```
</div>
<details markdown="1">
<summary>About the command <code>uvicorn main:app --reload</code>...</summary>
The command `uvicorn main:app` refers to:
* `main`: the file `main.py` (the Python "module").
* `app`: the object created inside of `main.py` with the line `app = FastAPI()`.
* `--reload`: make the server restart after code changes. Only do this for development.
</details>
### Check it
Open your browser at <a href="http://127.0.0.1:8000/items/5?q=somequery" class="external-link" target="_blank">http://127.0.0.1:8000/items/5?q=somequery</a>.
You will see the JSON response as:
```JSON
{"item_id": 5, "q": "somequery"}
```
You already created an API that:
* Receives HTTP requests in the _paths_ `/` and `/items/{item_id}`.
* Both _paths_ take `GET` <em>operations</em> (also known as HTTP _methods_).
* The _path_ `/items/{item_id}` has a _path parameter_ `item_id` that should be an `int`.
* The _path_ `/items/{item_id}` has an optional `str` _query parameter_ `q`.
### Interactive API docs
Now go to <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.
You will see the automatic interactive API documentation (provided by <a href="https://github.com/swagger-api/swagger-ui" class="external-link" target="_blank">Swagger UI</a>):
![Swagger UI](https://fastapi.tiangolo.com/img/index/index-01-swagger-ui-simple.png)
### Alternative API docs
And now, go to <a href="http://127.0.0.1:8000/redoc" class="external-link" target="_blank">http://127.0.0.1:8000/redoc</a>.
You will see the alternative automatic documentation (provided by <a href="https://github.com/Rebilly/ReDoc" class="external-link" target="_blank">ReDoc</a>):
![ReDoc](https://fastapi.tiangolo.com/img/index/index-02-redoc-simple.png)
## Example upgrade
Now modify the file `main.py` to receive a body from a `PUT` request.
Declare the body using standard Python types, thanks to Pydantic.
```Python hl_lines="4 9-12 25-27"
from typing import Optional
from fastapi import FastAPI
from pydantic import BaseModel
app = FastAPI()
class Item(BaseModel):
name: str
price: float
is_offer: Optional[bool] = None
@app.get("/")
def read_root():
return {"Hello": "World"}
@app.get("/items/{item_id}")
def read_item(item_id: int, q: Optional[str] = None):
return {"item_id": item_id, "q": q}
@app.put("/items/{item_id}")
def update_item(item_id: int, item: Item):
return {"item_name": item.name, "item_id": item_id}
```
The server should reload automatically (because you added `--reload` to the `uvicorn` command above).
### Interactive API docs upgrade
Now go to <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.
* The interactive API documentation will be automatically updated, including the new body:
![Swagger UI](https://fastapi.tiangolo.com/img/index/index-03-swagger-02.png)
* Click on the button "Try it out", it allows you to fill the parameters and directly interact with the API:
![Swagger UI interaction](https://fastapi.tiangolo.com/img/index/index-04-swagger-03.png)
* Then click on the "Execute" button, the user interface will communicate with your API, send the parameters, get the results and show them on the screen:
![Swagger UI interaction](https://fastapi.tiangolo.com/img/index/index-05-swagger-04.png)
### Alternative API docs upgrade
And now, go to <a href="http://127.0.0.1:8000/redoc" class="external-link" target="_blank">http://127.0.0.1:8000/redoc</a>.
* The alternative documentation will also reflect the new query parameter and body:
![ReDoc](https://fastapi.tiangolo.com/img/index/index-06-redoc-02.png)
### Recap
In summary, you declare **once** the types of parameters, body, etc. as function parameters.
You do that with standard modern Python types.
You don't have to learn a new syntax, the methods or classes of a specific library, etc.
Just standard **Python 3.6+**.
For example, for an `int`:
```Python
item_id: int
```
or for a more complex `Item` model:
```Python
item: Item
```
...and with that single declaration you get:
* Editor support, including:
* Completion.
* Type checks.
* Validation of data:
* Automatic and clear errors when the data is invalid.
* Validation even for deeply nested JSON objects.
* <abbr title="also known as: serialization, parsing, marshalling">Conversion</abbr> of input data: coming from the network to Python data and types. Reading from:
* JSON.
* Path parameters.
* Query parameters.
* Cookies.
* Headers.
* Forms.
* Files.
* <abbr title="also known as: serialization, parsing, marshalling">Conversion</abbr> of output data: converting from Python data and types to network data (as JSON):
* Convert Python types (`str`, `int`, `float`, `bool`, `list`, etc).
* `datetime` objects.
* `UUID` objects.
* Database models.
* ...and many more.
* Automatic interactive API documentation, including 2 alternative user interfaces:
* Swagger UI.
* ReDoc.
---
Coming back to the previous code example, **FastAPI** will:
* Validate that there is an `item_id` in the path for `GET` and `PUT` requests.
* Validate that the `item_id` is of type `int` for `GET` and `PUT` requests.
* If it is not, the client will see a useful, clear error.
* Check if there is an optional query parameter named `q` (as in `http://127.0.0.1:8000/items/foo?q=somequery`) for `GET` requests.
* As the `q` parameter is declared with `= None`, it is optional.
* Without the `None` it would be required (as is the body in the case with `PUT`).
* For `PUT` requests to `/items/{item_id}`, Read the body as JSON:
* Check that it has a required attribute `name` that should be a `str`.
* Check that it has a required attribute `price` that has to be a `float`.
* Check that it has an optional attribute `is_offer`, that should be a `bool`, if present.
* All this would also work for deeply nested JSON objects.
* Convert from and to JSON automatically.
* Document everything with OpenAPI, that can be used by:
* Interactive documentation systems.
* Automatic client code generation systems, for many languages.
* Provide 2 interactive documentation web interfaces directly.
---
We just scratched the surface, but you already get the idea of how it all works.
Try changing the line with:
```Python
return {"item_name": item.name, "item_id": item_id}
```
...from:
```Python
... "item_name": item.name ...
```
...to:
```Python
... "item_price": item.price ...
```
...and see how your editor will auto-complete the attributes and know their types:
![editor support](https://fastapi.tiangolo.com/img/vscode-completion.png)
For a more complete example including more features, see the <a href="https://fastapi.tiangolo.com/tutorial/">Tutorial - User Guide</a>.
**Spoiler alert**: the tutorial - user guide includes:
* Declaration of **parameters** from other different places as: **headers**, **cookies**, **form fields** and **files**.
* How to set **validation constraints** as `maximum_length` or `regex`.
* A very powerful and easy to use **<abbr title="also known as components, resources, providers, services, injectables">Dependency Injection</abbr>** system.
* Security and authentication, including support for **OAuth2** with **JWT tokens** and **HTTP Basic** auth.
* More advanced (but equally easy) techniques for declaring **deeply nested JSON models** (thanks to Pydantic).
* Many extra features (thanks to Starlette) as:
* **WebSockets**
* **GraphQL**
* extremely easy tests based on `requests` and `pytest`
* **CORS**
* **Cookie Sessions**
* ...and more.
## Performance
Independent TechEmpower benchmarks show **FastAPI** applications running under Uvicorn as <a href="https://www.techempower.com/benchmarks/#section=test&runid=7464e520-0dc2-473d-bd34-dbdfd7e85911&hw=ph&test=query&l=zijzen-7" class="external-link" target="_blank">one of the fastest Python frameworks available</a>, only below Starlette and Uvicorn themselves (used internally by FastAPI). (*)
To understand more about it, see the section <a href="https://fastapi.tiangolo.com/benchmarks/" class="internal-link" target="_blank">Benchmarks</a>.
## Optional Dependencies
Used by Pydantic:
* <a href="https://github.com/JoshData/python-email-validator" target="_blank"><code>email_validator</code></a> - for email validation.
Used by Starlette:
* <a href="https://www.python-httpx.org" target="_blank"><code>httpx</code></a> - Required if you want to use the `TestClient`.
* <a href="https://jinja.palletsprojects.com" target="_blank"><code>jinja2</code></a> - Required if you want to use the default template configuration.
* <a href="https://andrew-d.github.io/python-multipart/" target="_blank"><code>python-multipart</code></a> - Required if you want to support form <abbr title="converting the string that comes from an HTTP request into Python data">"parsing"</abbr>, with `request.form()`.
* <a href="https://pythonhosted.org/itsdangerous/" target="_blank"><code>itsdangerous</code></a> - Required for `SessionMiddleware` support.
* <a href="https://pyyaml.org/wiki/PyYAMLDocumentation" target="_blank"><code>pyyaml</code></a> - Required for Starlette's `SchemaGenerator` support (you probably don't need it with FastAPI).
* <a href="https://graphene-python.org/" target="_blank"><code>graphene</code></a> - Required for `GraphQLApp` support.
* <a href="https://github.com/esnme/ultrajson" target="_blank"><code>ujson</code></a> - Required if you want to use `UJSONResponse`.
Used by FastAPI / Starlette:
* <a href="https://www.uvicorn.org" target="_blank"><code>uvicorn</code></a> - for the server that loads and serves your application.
* <a href="https://github.com/ijl/orjson" target="_blank"><code>orjson</code></a> - Required if you want to use `ORJSONResponse`.
You can install all of these with `pip install fastapi[all]`.
## License
This project is licensed under the terms of the MIT license.

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@@ -1,160 +0,0 @@
site_name: FastAPI
site_description: FastAPI framework, high performance, easy to learn, fast to code, ready for production
site_url: https://fastapi.tiangolo.com/az/
theme:
name: material
custom_dir: overrides
palette:
- media: '(prefers-color-scheme: light)'
scheme: default
primary: teal
accent: amber
toggle:
icon: material/lightbulb
name: Switch to light mode
- media: '(prefers-color-scheme: dark)'
scheme: slate
primary: teal
accent: amber
toggle:
icon: material/lightbulb-outline
name: Switch to dark mode
features:
- search.suggest
- search.highlight
- content.tabs.link
icon:
repo: fontawesome/brands/github-alt
logo: https://fastapi.tiangolo.com/img/icon-white.svg
favicon: https://fastapi.tiangolo.com/img/favicon.png
language: en
repo_name: tiangolo/fastapi
repo_url: https://github.com/tiangolo/fastapi
edit_uri: ''
plugins:
- search
- markdownextradata:
data: data
nav:
- FastAPI: index.md
- Languages:
- en: /
- az: /az/
- cs: /cs/
- de: /de/
- em: /em/
- es: /es/
- fa: /fa/
- fr: /fr/
- he: /he/
- hy: /hy/
- id: /id/
- it: /it/
- ja: /ja/
- ko: /ko/
- lo: /lo/
- nl: /nl/
- pl: /pl/
- pt: /pt/
- ru: /ru/
- sq: /sq/
- sv: /sv/
- ta: /ta/
- tr: /tr/
- uk: /uk/
- zh: /zh/
markdown_extensions:
- toc:
permalink: true
- markdown.extensions.codehilite:
guess_lang: false
- mdx_include:
base_path: docs
- admonition
- codehilite
- extra
- pymdownx.superfences:
custom_fences:
- name: mermaid
class: mermaid
format: !!python/name:pymdownx.superfences.fence_code_format ''
- pymdownx.tabbed:
alternate_style: true
- attr_list
- md_in_html
extra:
analytics:
provider: google
property: G-YNEVN69SC3
social:
- icon: fontawesome/brands/github-alt
link: https://github.com/tiangolo/fastapi
- icon: fontawesome/brands/discord
link: https://discord.gg/VQjSZaeJmf
- icon: fontawesome/brands/twitter
link: https://twitter.com/fastapi
- icon: fontawesome/brands/linkedin
link: https://www.linkedin.com/in/tiangolo
- icon: fontawesome/brands/dev
link: https://dev.to/tiangolo
- icon: fontawesome/brands/medium
link: https://medium.com/@tiangolo
- icon: fontawesome/solid/globe
link: https://tiangolo.com
alternate:
- link: /
name: en - English
- link: /az/
name: az
- link: /cs/
name: cs
- link: /de/
name: de
- link: /em/
name: 😉
- link: /es/
name: es - español
- link: /fa/
name: fa
- link: /fr/
name: fr - français
- link: /he/
name: he
- link: /hy/
name: hy
- link: /id/
name: id
- link: /it/
name: it - italiano
- link: /ja/
name: ja - 日本語
- link: /ko/
name: ko - 한국어
- link: /lo/
name: lo - ພາສາລາວ
- link: /nl/
name: nl
- link: /pl/
name: pl
- link: /pt/
name: pt - português
- link: /ru/
name: ru - русский язык
- link: /sq/
name: sq - shqip
- link: /sv/
name: sv - svenska
- link: /ta/
name: ta - தமிழ்
- link: /tr/
name: tr - Türkçe
- link: /uk/
name: uk - українська мова
- link: /zh/
name: zh - 汉语
extra_css:
- https://fastapi.tiangolo.com/css/termynal.css
- https://fastapi.tiangolo.com/css/custom.css
extra_javascript:
- https://fastapi.tiangolo.com/js/termynal.js
- https://fastapi.tiangolo.com/js/custom.js

View File

@@ -1,473 +0,0 @@
{!../../../docs/missing-translation.md!}
<p align="center">
<a href="https://fastapi.tiangolo.com"><img src="https://fastapi.tiangolo.com/img/logo-margin/logo-teal.png" alt="FastAPI"></a>
</p>
<p align="center">
<em>FastAPI framework, high performance, easy to learn, fast to code, ready for production</em>
</p>
<p align="center">
<a href="https://github.com/tiangolo/fastapi/actions?query=workflow%3ATest+event%3Apush+branch%3Amaster" target="_blank">
<img src="https://github.com/tiangolo/fastapi/workflows/Test/badge.svg?event=push&branch=master" alt="Test">
</a>
<a href="https://coverage-badge.samuelcolvin.workers.dev/redirect/tiangolo/fastapi" target="_blank">
<img src="https://coverage-badge.samuelcolvin.workers.dev/tiangolo/fastapi.svg" alt="Coverage">
</a>
<a href="https://pypi.org/project/fastapi" target="_blank">
<img src="https://img.shields.io/pypi/v/fastapi?color=%2334D058&label=pypi%20package" alt="Package version">
</a>
<a href="https://pypi.org/project/fastapi" target="_blank">
<img src="https://img.shields.io/pypi/pyversions/fastapi.svg?color=%2334D058" alt="Supported Python versions">
</a>
</p>
---
**Documentation**: <a href="https://fastapi.tiangolo.com" target="_blank">https://fastapi.tiangolo.com</a>
**Source Code**: <a href="https://github.com/tiangolo/fastapi" target="_blank">https://github.com/tiangolo/fastapi</a>
---
FastAPI is a modern, fast (high-performance), web framework for building APIs with Python 3.7+ based on standard Python type hints.
The key features are:
* **Fast**: Very high performance, on par with **NodeJS** and **Go** (thanks to Starlette and Pydantic). [One of the fastest Python frameworks available](#performance).
* **Fast to code**: Increase the speed to develop features by about 200% to 300%. *
* **Fewer bugs**: Reduce about 40% of human (developer) induced errors. *
* **Intuitive**: Great editor support. <abbr title="also known as auto-complete, autocompletion, IntelliSense">Completion</abbr> everywhere. Less time debugging.
* **Easy**: Designed to be easy to use and learn. Less time reading docs.
* **Short**: Minimize code duplication. Multiple features from each parameter declaration. Fewer bugs.
* **Robust**: Get production-ready code. With automatic interactive documentation.
* **Standards-based**: Based on (and fully compatible with) the open standards for APIs: <a href="https://github.com/OAI/OpenAPI-Specification" class="external-link" target="_blank">OpenAPI</a> (previously known as Swagger) and <a href="https://json-schema.org/" class="external-link" target="_blank">JSON Schema</a>.
<small>* estimation based on tests on an internal development team, building production applications.</small>
## Sponsors
<!-- sponsors -->
{% if sponsors %}
{% for sponsor in sponsors.gold -%}
<a href="{{ sponsor.url }}" target="_blank" title="{{ sponsor.title }}"><img src="{{ sponsor.img }}" style="border-radius:15px"></a>
{% endfor -%}
{%- for sponsor in sponsors.silver -%}
<a href="{{ sponsor.url }}" target="_blank" title="{{ sponsor.title }}"><img src="{{ sponsor.img }}" style="border-radius:15px"></a>
{% endfor %}
{% endif %}
<!-- /sponsors -->
<a href="https://fastapi.tiangolo.com/fastapi-people/#sponsors" class="external-link" target="_blank">Other sponsors</a>
## Opinions
"_[...] I'm using **FastAPI** a ton these days. [...] I'm actually planning to use it for all of my team's **ML services at Microsoft**. Some of them are getting integrated into the core **Windows** product and some **Office** products._"
<div style="text-align: right; margin-right: 10%;">Kabir Khan - <strong>Microsoft</strong> <a href="https://github.com/tiangolo/fastapi/pull/26" target="_blank"><small>(ref)</small></a></div>
---
"_We adopted the **FastAPI** library to spawn a **REST** server that can be queried to obtain **predictions**. [for Ludwig]_"
<div style="text-align: right; margin-right: 10%;">Piero Molino, Yaroslav Dudin, and Sai Sumanth Miryala - <strong>Uber</strong> <a href="https://eng.uber.com/ludwig-v0-2/" target="_blank"><small>(ref)</small></a></div>
---
"_**Netflix** is pleased to announce the open-source release of our **crisis management** orchestration framework: **Dispatch**! [built with **FastAPI**]_"
<div style="text-align: right; margin-right: 10%;">Kevin Glisson, Marc Vilanova, Forest Monsen - <strong>Netflix</strong> <a href="https://netflixtechblog.com/introducing-dispatch-da4b8a2a8072" target="_blank"><small>(ref)</small></a></div>
---
"_Im over the moon excited about **FastAPI**. Its so fun!_"
<div style="text-align: right; margin-right: 10%;">Brian Okken - <strong><a href="https://pythonbytes.fm/episodes/show/123/time-to-right-the-py-wrongs?time_in_sec=855" target="_blank">Python Bytes</a> podcast host</strong> <a href="https://twitter.com/brianokken/status/1112220079972728832" target="_blank"><small>(ref)</small></a></div>
---
"_Honestly, what you've built looks super solid and polished. In many ways, it's what I wanted **Hug** to be - it's really inspiring to see someone build that._"
<div style="text-align: right; margin-right: 10%;">Timothy Crosley - <strong><a href="https://www.hug.rest/" target="_blank">Hug</a> creator</strong> <a href="https://news.ycombinator.com/item?id=19455465" target="_blank"><small>(ref)</small></a></div>
---
"_If you're looking to learn one **modern framework** for building REST APIs, check out **FastAPI** [...] It's fast, easy to use and easy to learn [...]_"
"_We've switched over to **FastAPI** for our **APIs** [...] I think you'll like it [...]_"
<div style="text-align: right; margin-right: 10%;">Ines Montani - Matthew Honnibal - <strong><a href="https://explosion.ai" target="_blank">Explosion AI</a> founders - <a href="https://spacy.io" target="_blank">spaCy</a> creators</strong> <a href="https://twitter.com/_inesmontani/status/1144173225322143744" target="_blank"><small>(ref)</small></a> - <a href="https://twitter.com/honnibal/status/1144031421859655680" target="_blank"><small>(ref)</small></a></div>
---
"_If anyone is looking to build a production Python API, I would highly recommend **FastAPI**. It is **beautifully designed**, **simple to use** and **highly scalable**, it has become a **key component** in our API first development strategy and is driving many automations and services such as our Virtual TAC Engineer._"
<div style="text-align: right; margin-right: 10%;">Deon Pillsbury - <strong>Cisco</strong> <a href="https://www.linkedin.com/posts/deonpillsbury_cisco-cx-python-activity-6963242628536487936-trAp/" target="_blank"><small>(ref)</small></a></div>
---
## **Typer**, the FastAPI of CLIs
<a href="https://typer.tiangolo.com" target="_blank"><img src="https://typer.tiangolo.com/img/logo-margin/logo-margin-vector.svg" style="width: 20%;"></a>
If you are building a <abbr title="Command Line Interface">CLI</abbr> app to be used in the terminal instead of a web API, check out <a href="https://typer.tiangolo.com/" class="external-link" target="_blank">**Typer**</a>.
**Typer** is FastAPI's little sibling. And it's intended to be the **FastAPI of CLIs**. ⌨️ 🚀
## Requirements
Python 3.7+
FastAPI stands on the shoulders of giants:
* <a href="https://www.starlette.io/" class="external-link" target="_blank">Starlette</a> for the web parts.
* <a href="https://pydantic-docs.helpmanual.io/" class="external-link" target="_blank">Pydantic</a> for the data parts.
## Installation
<div class="termy">
```console
$ pip install fastapi
---> 100%
```
</div>
You will also need an ASGI server, for production such as <a href="https://www.uvicorn.org" class="external-link" target="_blank">Uvicorn</a> or <a href="https://github.com/pgjones/hypercorn" class="external-link" target="_blank">Hypercorn</a>.
<div class="termy">
```console
$ pip install "uvicorn[standard]"
---> 100%
```
</div>
## Example
### Create it
* Create a file `main.py` with:
```Python
from typing import Union
from fastapi import FastAPI
app = FastAPI()
@app.get("/")
def read_root():
return {"Hello": "World"}
@app.get("/items/{item_id}")
def read_item(item_id: int, q: Union[str, None] = None):
return {"item_id": item_id, "q": q}
```
<details markdown="1">
<summary>Or use <code>async def</code>...</summary>
If your code uses `async` / `await`, use `async def`:
```Python hl_lines="9 14"
from typing import Union
from fastapi import FastAPI
app = FastAPI()
@app.get("/")
async def read_root():
return {"Hello": "World"}
@app.get("/items/{item_id}")
async def read_item(item_id: int, q: Union[str, None] = None):
return {"item_id": item_id, "q": q}
```
**Note**:
If you don't know, check the _"In a hurry?"_ section about <a href="https://fastapi.tiangolo.com/async/#in-a-hurry" target="_blank">`async` and `await` in the docs</a>.
</details>
### Run it
Run the server with:
<div class="termy">
```console
$ uvicorn main:app --reload
INFO: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
INFO: Started reloader process [28720]
INFO: Started server process [28722]
INFO: Waiting for application startup.
INFO: Application startup complete.
```
</div>
<details markdown="1">
<summary>About the command <code>uvicorn main:app --reload</code>...</summary>
The command `uvicorn main:app` refers to:
* `main`: the file `main.py` (the Python "module").
* `app`: the object created inside of `main.py` with the line `app = FastAPI()`.
* `--reload`: make the server restart after code changes. Only do this for development.
</details>
### Check it
Open your browser at <a href="http://127.0.0.1:8000/items/5?q=somequery" class="external-link" target="_blank">http://127.0.0.1:8000/items/5?q=somequery</a>.
You will see the JSON response as:
```JSON
{"item_id": 5, "q": "somequery"}
```
You already created an API that:
* Receives HTTP requests in the _paths_ `/` and `/items/{item_id}`.
* Both _paths_ take `GET` <em>operations</em> (also known as HTTP _methods_).
* The _path_ `/items/{item_id}` has a _path parameter_ `item_id` that should be an `int`.
* The _path_ `/items/{item_id}` has an optional `str` _query parameter_ `q`.
### Interactive API docs
Now go to <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.
You will see the automatic interactive API documentation (provided by <a href="https://github.com/swagger-api/swagger-ui" class="external-link" target="_blank">Swagger UI</a>):
![Swagger UI](https://fastapi.tiangolo.com/img/index/index-01-swagger-ui-simple.png)
### Alternative API docs
And now, go to <a href="http://127.0.0.1:8000/redoc" class="external-link" target="_blank">http://127.0.0.1:8000/redoc</a>.
You will see the alternative automatic documentation (provided by <a href="https://github.com/Rebilly/ReDoc" class="external-link" target="_blank">ReDoc</a>):
![ReDoc](https://fastapi.tiangolo.com/img/index/index-02-redoc-simple.png)
## Example upgrade
Now modify the file `main.py` to receive a body from a `PUT` request.
Declare the body using standard Python types, thanks to Pydantic.
```Python hl_lines="4 9-12 25-27"
from typing import Union
from fastapi import FastAPI
from pydantic import BaseModel
app = FastAPI()
class Item(BaseModel):
name: str
price: float
is_offer: Union[bool, None] = None
@app.get("/")
def read_root():
return {"Hello": "World"}
@app.get("/items/{item_id}")
def read_item(item_id: int, q: Union[str, None] = None):
return {"item_id": item_id, "q": q}
@app.put("/items/{item_id}")
def update_item(item_id: int, item: Item):
return {"item_name": item.name, "item_id": item_id}
```
The server should reload automatically (because you added `--reload` to the `uvicorn` command above).
### Interactive API docs upgrade
Now go to <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.
* The interactive API documentation will be automatically updated, including the new body:
![Swagger UI](https://fastapi.tiangolo.com/img/index/index-03-swagger-02.png)
* Click on the button "Try it out", it allows you to fill the parameters and directly interact with the API:
![Swagger UI interaction](https://fastapi.tiangolo.com/img/index/index-04-swagger-03.png)
* Then click on the "Execute" button, the user interface will communicate with your API, send the parameters, get the results and show them on the screen:
![Swagger UI interaction](https://fastapi.tiangolo.com/img/index/index-05-swagger-04.png)
### Alternative API docs upgrade
And now, go to <a href="http://127.0.0.1:8000/redoc" class="external-link" target="_blank">http://127.0.0.1:8000/redoc</a>.
* The alternative documentation will also reflect the new query parameter and body:
![ReDoc](https://fastapi.tiangolo.com/img/index/index-06-redoc-02.png)
### Recap
In summary, you declare **once** the types of parameters, body, etc. as function parameters.
You do that with standard modern Python types.
You don't have to learn a new syntax, the methods or classes of a specific library, etc.
Just standard **Python 3.7+**.
For example, for an `int`:
```Python
item_id: int
```
or for a more complex `Item` model:
```Python
item: Item
```
...and with that single declaration you get:
* Editor support, including:
* Completion.
* Type checks.
* Validation of data:
* Automatic and clear errors when the data is invalid.
* Validation even for deeply nested JSON objects.
* <abbr title="also known as: serialization, parsing, marshalling">Conversion</abbr> of input data: coming from the network to Python data and types. Reading from:
* JSON.
* Path parameters.
* Query parameters.
* Cookies.
* Headers.
* Forms.
* Files.
* <abbr title="also known as: serialization, parsing, marshalling">Conversion</abbr> of output data: converting from Python data and types to network data (as JSON):
* Convert Python types (`str`, `int`, `float`, `bool`, `list`, etc).
* `datetime` objects.
* `UUID` objects.
* Database models.
* ...and many more.
* Automatic interactive API documentation, including 2 alternative user interfaces:
* Swagger UI.
* ReDoc.
---
Coming back to the previous code example, **FastAPI** will:
* Validate that there is an `item_id` in the path for `GET` and `PUT` requests.
* Validate that the `item_id` is of type `int` for `GET` and `PUT` requests.
* If it is not, the client will see a useful, clear error.
* Check if there is an optional query parameter named `q` (as in `http://127.0.0.1:8000/items/foo?q=somequery`) for `GET` requests.
* As the `q` parameter is declared with `= None`, it is optional.
* Without the `None` it would be required (as is the body in the case with `PUT`).
* For `PUT` requests to `/items/{item_id}`, Read the body as JSON:
* Check that it has a required attribute `name` that should be a `str`.
* Check that it has a required attribute `price` that has to be a `float`.
* Check that it has an optional attribute `is_offer`, that should be a `bool`, if present.
* All this would also work for deeply nested JSON objects.
* Convert from and to JSON automatically.
* Document everything with OpenAPI, that can be used by:
* Interactive documentation systems.
* Automatic client code generation systems, for many languages.
* Provide 2 interactive documentation web interfaces directly.
---
We just scratched the surface, but you already get the idea of how it all works.
Try changing the line with:
```Python
return {"item_name": item.name, "item_id": item_id}
```
...from:
```Python
... "item_name": item.name ...
```
...to:
```Python
... "item_price": item.price ...
```
...and see how your editor will auto-complete the attributes and know their types:
![editor support](https://fastapi.tiangolo.com/img/vscode-completion.png)
For a more complete example including more features, see the <a href="https://fastapi.tiangolo.com/tutorial/">Tutorial - User Guide</a>.
**Spoiler alert**: the tutorial - user guide includes:
* Declaration of **parameters** from other different places as: **headers**, **cookies**, **form fields** and **files**.
* How to set **validation constraints** as `maximum_length` or `regex`.
* A very powerful and easy to use **<abbr title="also known as components, resources, providers, services, injectables">Dependency Injection</abbr>** system.
* Security and authentication, including support for **OAuth2** with **JWT tokens** and **HTTP Basic** auth.
* More advanced (but equally easy) techniques for declaring **deeply nested JSON models** (thanks to Pydantic).
* **GraphQL** integration with <a href="https://strawberry.rocks" class="external-link" target="_blank">Strawberry</a> and other libraries.
* Many extra features (thanks to Starlette) as:
* **WebSockets**
* extremely easy tests based on HTTPX and `pytest`
* **CORS**
* **Cookie Sessions**
* ...and more.
## Performance
Independent TechEmpower benchmarks show **FastAPI** applications running under Uvicorn as <a href="https://www.techempower.com/benchmarks/#section=test&runid=7464e520-0dc2-473d-bd34-dbdfd7e85911&hw=ph&test=query&l=zijzen-7" class="external-link" target="_blank">one of the fastest Python frameworks available</a>, only below Starlette and Uvicorn themselves (used internally by FastAPI). (*)
To understand more about it, see the section <a href="https://fastapi.tiangolo.com/benchmarks/" class="internal-link" target="_blank">Benchmarks</a>.
## Optional Dependencies
Used by Pydantic:
* <a href="https://github.com/esnme/ultrajson" target="_blank"><code>ujson</code></a> - for faster JSON <abbr title="converting the string that comes from an HTTP request into Python data">"parsing"</abbr>.
* <a href="https://github.com/JoshData/python-email-validator" target="_blank"><code>email_validator</code></a> - for email validation.
Used by Starlette:
* <a href="https://www.python-httpx.org" target="_blank"><code>httpx</code></a> - Required if you want to use the `TestClient`.
* <a href="https://jinja.palletsprojects.com" target="_blank"><code>jinja2</code></a> - Required if you want to use the default template configuration.
* <a href="https://andrew-d.github.io/python-multipart/" target="_blank"><code>python-multipart</code></a> - Required if you want to support form <abbr title="converting the string that comes from an HTTP request into Python data">"parsing"</abbr>, with `request.form()`.
* <a href="https://pythonhosted.org/itsdangerous/" target="_blank"><code>itsdangerous</code></a> - Required for `SessionMiddleware` support.
* <a href="https://pyyaml.org/wiki/PyYAMLDocumentation" target="_blank"><code>pyyaml</code></a> - Required for Starlette's `SchemaGenerator` support (you probably don't need it with FastAPI).
* <a href="https://github.com/esnme/ultrajson" target="_blank"><code>ujson</code></a> - Required if you want to use `UJSONResponse`.
Used by FastAPI / Starlette:
* <a href="https://www.uvicorn.org" target="_blank"><code>uvicorn</code></a> - for the server that loads and serves your application.
* <a href="https://github.com/ijl/orjson" target="_blank"><code>orjson</code></a> - Required if you want to use `ORJSONResponse`.
You can install all of these with `pip install "fastapi[all]"`.
## License
This project is licensed under the terms of the MIT license.

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site_name: FastAPI
site_description: FastAPI framework, high performance, easy to learn, fast to code, ready for production
site_url: https://fastapi.tiangolo.com/cs/
theme:
name: material
custom_dir: overrides
palette:
- media: '(prefers-color-scheme: light)'
scheme: default
primary: teal
accent: amber
toggle:
icon: material/lightbulb
name: Switch to light mode
- media: '(prefers-color-scheme: dark)'
scheme: slate
primary: teal
accent: amber
toggle:
icon: material/lightbulb-outline
name: Switch to dark mode
features:
- search.suggest
- search.highlight
- content.tabs.link
icon:
repo: fontawesome/brands/github-alt
logo: https://fastapi.tiangolo.com/img/icon-white.svg
favicon: https://fastapi.tiangolo.com/img/favicon.png
language: cs
repo_name: tiangolo/fastapi
repo_url: https://github.com/tiangolo/fastapi
edit_uri: ''
plugins:
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data: data
nav:
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- Languages:
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- cs: /cs/
- de: /de/
- es: /es/
- fa: /fa/
- fr: /fr/
- he: /he/
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- ko: /ko/
- nl: /nl/
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- pt: /pt/
- ru: /ru/
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- sv: /sv/
- ta: /ta/
- tr: /tr/
- uk: /uk/
- zh: /zh/
markdown_extensions:
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permalink: true
- markdown.extensions.codehilite:
guess_lang: false
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base_path: docs
- admonition
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- extra
- pymdownx.superfences:
custom_fences:
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class: mermaid
format: !!python/name:pymdownx.superfences.fence_code_format ''
- pymdownx.tabbed:
alternate_style: true
- attr_list
- md_in_html
extra:
analytics:
provider: google
property: G-YNEVN69SC3
social:
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link: https://github.com/tiangolo/fastapi
- icon: fontawesome/brands/discord
link: https://discord.gg/VQjSZaeJmf
- icon: fontawesome/brands/twitter
link: https://twitter.com/fastapi
- icon: fontawesome/brands/linkedin
link: https://www.linkedin.com/in/tiangolo
- icon: fontawesome/brands/dev
link: https://dev.to/tiangolo
- icon: fontawesome/brands/medium
link: https://medium.com/@tiangolo
- icon: fontawesome/solid/globe
link: https://tiangolo.com
alternate:
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name: en - English
- link: /az/
name: az
- link: /cs/
name: cs
- link: /de/
name: de
- link: /es/
name: es - español
- link: /fa/
name: fa
- link: /fr/
name: fr - français
- link: /he/
name: he
- link: /hy/
name: hy
- link: /id/
name: id
- link: /it/
name: it - italiano
- link: /ja/
name: ja - 日本語
- link: /ko/
name: ko - 한국어
- link: /nl/
name: nl
- link: /pl/
name: pl
- link: /pt/
name: pt - português
- link: /ru/
name: ru - русский язык
- link: /sq/
name: sq - shqip
- link: /sv/
name: sv - svenska
- link: /ta/
name: ta - தமிழ்
- link: /tr/
name: tr - Türkçe
- link: /uk/
name: uk - українська мова
- link: /zh/
name: zh - 汉语
extra_css:
- https://fastapi.tiangolo.com/css/termynal.css
- https://fastapi.tiangolo.com/css/custom.css
extra_javascript:
- https://fastapi.tiangolo.com/js/termynal.js
- https://fastapi.tiangolo.com/js/custom.js

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@@ -1,463 +0,0 @@
{!../../../docs/missing-translation.md!}
<p align="center">
<a href="https://fastapi.tiangolo.com"><img src="https://fastapi.tiangolo.com/img/logo-margin/logo-teal.png" alt="FastAPI"></a>
</p>
<p align="center">
<em>FastAPI framework, high performance, easy to learn, fast to code, ready for production</em>
</p>
<p align="center">
<a href="https://github.com/tiangolo/fastapi/actions?query=workflow%3ATest" target="_blank">
<img src="https://github.com/tiangolo/fastapi/workflows/Test/badge.svg" alt="Test">
</a>
<a href="https://codecov.io/gh/tiangolo/fastapi" target="_blank">
<img src="https://img.shields.io/codecov/c/github/tiangolo/fastapi?color=%2334D058" alt="Coverage">
</a>
<a href="https://pypi.org/project/fastapi" target="_blank">
<img src="https://img.shields.io/pypi/v/fastapi?color=%2334D058&label=pypi%20package" alt="Package version">
</a>
</p>
---
**Documentation**: <a href="https://fastapi.tiangolo.com" target="_blank">https://fastapi.tiangolo.com</a>
**Source Code**: <a href="https://github.com/tiangolo/fastapi" target="_blank">https://github.com/tiangolo/fastapi</a>
---
FastAPI is a modern, fast (high-performance), web framework for building APIs with Python 3.6+ based on standard Python type hints.
The key features are:
* **Fast**: Very high performance, on par with **NodeJS** and **Go** (thanks to Starlette and Pydantic). [One of the fastest Python frameworks available](#performance).
* **Fast to code**: Increase the speed to develop features by about 200% to 300%. *
* **Fewer bugs**: Reduce about 40% of human (developer) induced errors. *
* **Intuitive**: Great editor support. <abbr title="also known as auto-complete, autocompletion, IntelliSense">Completion</abbr> everywhere. Less time debugging.
* **Easy**: Designed to be easy to use and learn. Less time reading docs.
* **Short**: Minimize code duplication. Multiple features from each parameter declaration. Fewer bugs.
* **Robust**: Get production-ready code. With automatic interactive documentation.
* **Standards-based**: Based on (and fully compatible with) the open standards for APIs: <a href="https://github.com/OAI/OpenAPI-Specification" class="external-link" target="_blank">OpenAPI</a> (previously known as Swagger) and <a href="https://json-schema.org/" class="external-link" target="_blank">JSON Schema</a>.
<small>* estimation based on tests on an internal development team, building production applications.</small>
## Sponsors
<!-- sponsors -->
{% if sponsors %}
{% for sponsor in sponsors.gold -%}
<a href="{{ sponsor.url }}" target="_blank" title="{{ sponsor.title }}"><img src="{{ sponsor.img }}" style="border-radius:15px"></a>
{% endfor -%}
{%- for sponsor in sponsors.silver -%}
<a href="{{ sponsor.url }}" target="_blank" title="{{ sponsor.title }}"><img src="{{ sponsor.img }}" style="border-radius:15px"></a>
{% endfor %}
{% endif %}
<!-- /sponsors -->
<a href="https://fastapi.tiangolo.com/fastapi-people/#sponsors" class="external-link" target="_blank">Other sponsors</a>
## Opinions
"_[...] I'm using **FastAPI** a ton these days. [...] I'm actually planning to use it for all of my team's **ML services at Microsoft**. Some of them are getting integrated into the core **Windows** product and some **Office** products._"
<div style="text-align: right; margin-right: 10%;">Kabir Khan - <strong>Microsoft</strong> <a href="https://github.com/tiangolo/fastapi/pull/26" target="_blank"><small>(ref)</small></a></div>
---
"_We adopted the **FastAPI** library to spawn a **REST** server that can be queried to obtain **predictions**. [for Ludwig]_"
<div style="text-align: right; margin-right: 10%;">Piero Molino, Yaroslav Dudin, and Sai Sumanth Miryala - <strong>Uber</strong> <a href="https://eng.uber.com/ludwig-v0-2/" target="_blank"><small>(ref)</small></a></div>
---
"_**Netflix** is pleased to announce the open-source release of our **crisis management** orchestration framework: **Dispatch**! [built with **FastAPI**]_"
<div style="text-align: right; margin-right: 10%;">Kevin Glisson, Marc Vilanova, Forest Monsen - <strong>Netflix</strong> <a href="https://netflixtechblog.com/introducing-dispatch-da4b8a2a8072" target="_blank"><small>(ref)</small></a></div>
---
"_Im over the moon excited about **FastAPI**. Its so fun!_"
<div style="text-align: right; margin-right: 10%;">Brian Okken - <strong><a href="https://pythonbytes.fm/episodes/show/123/time-to-right-the-py-wrongs?time_in_sec=855" target="_blank">Python Bytes</a> podcast host</strong> <a href="https://twitter.com/brianokken/status/1112220079972728832" target="_blank"><small>(ref)</small></a></div>
---
"_Honestly, what you've built looks super solid and polished. In many ways, it's what I wanted **Hug** to be - it's really inspiring to see someone build that._"
<div style="text-align: right; margin-right: 10%;">Timothy Crosley - <strong><a href="https://www.hug.rest/" target="_blank">Hug</a> creator</strong> <a href="https://news.ycombinator.com/item?id=19455465" target="_blank"><small>(ref)</small></a></div>
---
"_If you're looking to learn one **modern framework** for building REST APIs, check out **FastAPI** [...] It's fast, easy to use and easy to learn [...]_"
"_We've switched over to **FastAPI** for our **APIs** [...] I think you'll like it [...]_"
<div style="text-align: right; margin-right: 10%;">Ines Montani - Matthew Honnibal - <strong><a href="https://explosion.ai" target="_blank">Explosion AI</a> founders - <a href="https://spacy.io" target="_blank">spaCy</a> creators</strong> <a href="https://twitter.com/_inesmontani/status/1144173225322143744" target="_blank"><small>(ref)</small></a> - <a href="https://twitter.com/honnibal/status/1144031421859655680" target="_blank"><small>(ref)</small></a></div>
---
## **Typer**, the FastAPI of CLIs
<a href="https://typer.tiangolo.com" target="_blank"><img src="https://typer.tiangolo.com/img/logo-margin/logo-margin-vector.svg" style="width: 20%;"></a>
If you are building a <abbr title="Command Line Interface">CLI</abbr> app to be used in the terminal instead of a web API, check out <a href="https://typer.tiangolo.com/" class="external-link" target="_blank">**Typer**</a>.
**Typer** is FastAPI's little sibling. And it's intended to be the **FastAPI of CLIs**. ⌨️ 🚀
## Requirements
Python 3.7+
FastAPI stands on the shoulders of giants:
* <a href="https://www.starlette.io/" class="external-link" target="_blank">Starlette</a> for the web parts.
* <a href="https://pydantic-docs.helpmanual.io/" class="external-link" target="_blank">Pydantic</a> for the data parts.
## Installation
<div class="termy">
```console
$ pip install fastapi
---> 100%
```
</div>
You will also need an ASGI server, for production such as <a href="https://www.uvicorn.org" class="external-link" target="_blank">Uvicorn</a> or <a href="https://gitlab.com/pgjones/hypercorn" class="external-link" target="_blank">Hypercorn</a>.
<div class="termy">
```console
$ pip install "uvicorn[standard]"
---> 100%
```
</div>
## Example
### Create it
* Create a file `main.py` with:
```Python
from typing import Union
from fastapi import FastAPI
app = FastAPI()
@app.get("/")
def read_root():
return {"Hello": "World"}
@app.get("/items/{item_id}")
def read_item(item_id: int, q: Union[str, None] = None):
return {"item_id": item_id, "q": q}
```
<details markdown="1">
<summary>Or use <code>async def</code>...</summary>
If your code uses `async` / `await`, use `async def`:
```Python hl_lines="9 14"
from typing import Union
from fastapi import FastAPI
app = FastAPI()
@app.get("/")
async def read_root():
return {"Hello": "World"}
@app.get("/items/{item_id}")
async def read_item(item_id: int, q: Union[str, None] = None):
return {"item_id": item_id, "q": q}
```
**Note**:
If you don't know, check the _"In a hurry?"_ section about <a href="https://fastapi.tiangolo.com/async/#in-a-hurry" target="_blank">`async` and `await` in the docs</a>.
</details>
### Run it
Run the server with:
<div class="termy">
```console
$ uvicorn main:app --reload
INFO: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
INFO: Started reloader process [28720]
INFO: Started server process [28722]
INFO: Waiting for application startup.
INFO: Application startup complete.
```
</div>
<details markdown="1">
<summary>About the command <code>uvicorn main:app --reload</code>...</summary>
The command `uvicorn main:app` refers to:
* `main`: the file `main.py` (the Python "module").
* `app`: the object created inside of `main.py` with the line `app = FastAPI()`.
* `--reload`: make the server restart after code changes. Only do this for development.
</details>
### Check it
Open your browser at <a href="http://127.0.0.1:8000/items/5?q=somequery" class="external-link" target="_blank">http://127.0.0.1:8000/items/5?q=somequery</a>.
You will see the JSON response as:
```JSON
{"item_id": 5, "q": "somequery"}
```
You already created an API that:
* Receives HTTP requests in the _paths_ `/` and `/items/{item_id}`.
* Both _paths_ take `GET` <em>operations</em> (also known as HTTP _methods_).
* The _path_ `/items/{item_id}` has a _path parameter_ `item_id` that should be an `int`.
* The _path_ `/items/{item_id}` has an optional `str` _query parameter_ `q`.
### Interactive API docs
Now go to <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.
You will see the automatic interactive API documentation (provided by <a href="https://github.com/swagger-api/swagger-ui" class="external-link" target="_blank">Swagger UI</a>):
![Swagger UI](https://fastapi.tiangolo.com/img/index/index-01-swagger-ui-simple.png)
### Alternative API docs
And now, go to <a href="http://127.0.0.1:8000/redoc" class="external-link" target="_blank">http://127.0.0.1:8000/redoc</a>.
You will see the alternative automatic documentation (provided by <a href="https://github.com/Rebilly/ReDoc" class="external-link" target="_blank">ReDoc</a>):
![ReDoc](https://fastapi.tiangolo.com/img/index/index-02-redoc-simple.png)
## Example upgrade
Now modify the file `main.py` to receive a body from a `PUT` request.
Declare the body using standard Python types, thanks to Pydantic.
```Python hl_lines="4 9-12 25-27"
from typing import Union
from fastapi import FastAPI
from pydantic import BaseModel
app = FastAPI()
class Item(BaseModel):
name: str
price: float
is_offer: Union[bool, None] = None
@app.get("/")
def read_root():
return {"Hello": "World"}
@app.get("/items/{item_id}")
def read_item(item_id: int, q: Union[str, None] = None):
return {"item_id": item_id, "q": q}
@app.put("/items/{item_id}")
def update_item(item_id: int, item: Item):
return {"item_name": item.name, "item_id": item_id}
```
The server should reload automatically (because you added `--reload` to the `uvicorn` command above).
### Interactive API docs upgrade
Now go to <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.
* The interactive API documentation will be automatically updated, including the new body:
![Swagger UI](https://fastapi.tiangolo.com/img/index/index-03-swagger-02.png)
* Click on the button "Try it out", it allows you to fill the parameters and directly interact with the API:
![Swagger UI interaction](https://fastapi.tiangolo.com/img/index/index-04-swagger-03.png)
* Then click on the "Execute" button, the user interface will communicate with your API, send the parameters, get the results and show them on the screen:
![Swagger UI interaction](https://fastapi.tiangolo.com/img/index/index-05-swagger-04.png)
### Alternative API docs upgrade
And now, go to <a href="http://127.0.0.1:8000/redoc" class="external-link" target="_blank">http://127.0.0.1:8000/redoc</a>.
* The alternative documentation will also reflect the new query parameter and body:
![ReDoc](https://fastapi.tiangolo.com/img/index/index-06-redoc-02.png)
### Recap
In summary, you declare **once** the types of parameters, body, etc. as function parameters.
You do that with standard modern Python types.
You don't have to learn a new syntax, the methods or classes of a specific library, etc.
Just standard **Python 3.6+**.
For example, for an `int`:
```Python
item_id: int
```
or for a more complex `Item` model:
```Python
item: Item
```
...and with that single declaration you get:
* Editor support, including:
* Completion.
* Type checks.
* Validation of data:
* Automatic and clear errors when the data is invalid.
* Validation even for deeply nested JSON objects.
* <abbr title="also known as: serialization, parsing, marshalling">Conversion</abbr> of input data: coming from the network to Python data and types. Reading from:
* JSON.
* Path parameters.
* Query parameters.
* Cookies.
* Headers.
* Forms.
* Files.
* <abbr title="also known as: serialization, parsing, marshalling">Conversion</abbr> of output data: converting from Python data and types to network data (as JSON):
* Convert Python types (`str`, `int`, `float`, `bool`, `list`, etc).
* `datetime` objects.
* `UUID` objects.
* Database models.
* ...and many more.
* Automatic interactive API documentation, including 2 alternative user interfaces:
* Swagger UI.
* ReDoc.
---
Coming back to the previous code example, **FastAPI** will:
* Validate that there is an `item_id` in the path for `GET` and `PUT` requests.
* Validate that the `item_id` is of type `int` for `GET` and `PUT` requests.
* If it is not, the client will see a useful, clear error.
* Check if there is an optional query parameter named `q` (as in `http://127.0.0.1:8000/items/foo?q=somequery`) for `GET` requests.
* As the `q` parameter is declared with `= None`, it is optional.
* Without the `None` it would be required (as is the body in the case with `PUT`).
* For `PUT` requests to `/items/{item_id}`, Read the body as JSON:
* Check that it has a required attribute `name` that should be a `str`.
* Check that it has a required attribute `price` that has to be a `float`.
* Check that it has an optional attribute `is_offer`, that should be a `bool`, if present.
* All this would also work for deeply nested JSON objects.
* Convert from and to JSON automatically.
* Document everything with OpenAPI, that can be used by:
* Interactive documentation systems.
* Automatic client code generation systems, for many languages.
* Provide 2 interactive documentation web interfaces directly.
---
We just scratched the surface, but you already get the idea of how it all works.
Try changing the line with:
```Python
return {"item_name": item.name, "item_id": item_id}
```
...from:
```Python
... "item_name": item.name ...
```
...to:
```Python
... "item_price": item.price ...
```
...and see how your editor will auto-complete the attributes and know their types:
![editor support](https://fastapi.tiangolo.com/img/vscode-completion.png)
For a more complete example including more features, see the <a href="https://fastapi.tiangolo.com/tutorial/">Tutorial - User Guide</a>.
**Spoiler alert**: the tutorial - user guide includes:
* Declaration of **parameters** from other different places as: **headers**, **cookies**, **form fields** and **files**.
* How to set **validation constraints** as `maximum_length` or `regex`.
* A very powerful and easy to use **<abbr title="also known as components, resources, providers, services, injectables">Dependency Injection</abbr>** system.
* Security and authentication, including support for **OAuth2** with **JWT tokens** and **HTTP Basic** auth.
* More advanced (but equally easy) techniques for declaring **deeply nested JSON models** (thanks to Pydantic).
* Many extra features (thanks to Starlette) as:
* **WebSockets**
* extremely easy tests based on `requests` and `pytest`
* **CORS**
* **Cookie Sessions**
* ...and more.
## Performance
Independent TechEmpower benchmarks show **FastAPI** applications running under Uvicorn as <a href="https://www.techempower.com/benchmarks/#section=test&runid=7464e520-0dc2-473d-bd34-dbdfd7e85911&hw=ph&test=query&l=zijzen-7" class="external-link" target="_blank">one of the fastest Python frameworks available</a>, only below Starlette and Uvicorn themselves (used internally by FastAPI). (*)
To understand more about it, see the section <a href="https://fastapi.tiangolo.com/benchmarks/" class="internal-link" target="_blank">Benchmarks</a>.
## Optional Dependencies
Used by Pydantic:
* <a href="https://github.com/JoshData/python-email-validator" target="_blank"><code>email_validator</code></a> - for email validation.
Used by Starlette:
* <a href="https://www.python-httpx.org" target="_blank"><code>httpx</code></a> - Required if you want to use the `TestClient`.
* <a href="https://jinja.palletsprojects.com" target="_blank"><code>jinja2</code></a> - Required if you want to use the default template configuration.
* <a href="https://andrew-d.github.io/python-multipart/" target="_blank"><code>python-multipart</code></a> - Required if you want to support form <abbr title="converting the string that comes from an HTTP request into Python data">"parsing"</abbr>, with `request.form()`.
* <a href="https://pythonhosted.org/itsdangerous/" target="_blank"><code>itsdangerous</code></a> - Required for `SessionMiddleware` support.
* <a href="https://pyyaml.org/wiki/PyYAMLDocumentation" target="_blank"><code>pyyaml</code></a> - Required for Starlette's `SchemaGenerator` support (you probably don't need it with FastAPI).
* <a href="https://github.com/esnme/ultrajson" target="_blank"><code>ujson</code></a> - Required if you want to use `UJSONResponse`.
Used by FastAPI / Starlette:
* <a href="https://www.uvicorn.org" target="_blank"><code>uvicorn</code></a> - for the server that loads and serves your application.
* <a href="https://github.com/ijl/orjson" target="_blank"><code>orjson</code></a> - Required if you want to use `ORJSONResponse`.
You can install all of these with `pip install fastapi[all]`.
## License
This project is licensed under the terms of the MIT license.

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INHERIT: ../en/mkdocs.yml

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# 🏧 👩‍💻 🦮 - 🎶
# 🏧 👩‍💻 🦮
## 🌖 ⚒

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# 🏧 💂‍♂ - 🎶
# 🏧 💂‍♂
## 🌖 ⚒

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# 🛠️ - 🎶
# 🛠️
🛠️ **FastAPI** 🈸 📶 ⏩.

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# 🔗 - 🥇 🔁
# 🔗
**FastAPI** ✔️ 📶 🏋️ ✋️ 🏋️ **<abbr title="also known as components, resources, providers, services, injectables">🔗 💉</abbr>** ⚙️.

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# 🔰 - 👩‍💻 🦮 - 🎶
# 🔰 - 👩‍💻 🦮
👉 🔰 🎦 👆 ❔ ⚙️ **FastAPI** ⏮️ 🌅 🚮 ⚒, 🔁 🔁.

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# 💂‍♂ 🎶
# 💂‍♂
📤 📚 🌌 🍵 💂‍♂, 🤝 &amp; ✔.

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@@ -97,14 +97,14 @@ experts:
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- login: panla
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avatarUrl: https://avatars.githubusercontent.com/u/41326348?u=ba2fda6b30110411ecbf406d187907e2b420ac19&v=4
@@ -133,30 +133,30 @@ experts:
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- login: Hultner
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url: https://github.com/n8sty
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avatarUrl: https://avatars.githubusercontent.com/u/1765494?u=5b1ab7c582db4b4016fa31affe977d10af108ad4&v=4
@@ -177,6 +177,14 @@ experts:
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- login: abhint
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- login: ghost
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avatarUrl: https://avatars.githubusercontent.com/u/10137?u=b1951d34a583cf12ec0d3b0781ba19be97726318&v=4
@@ -189,39 +197,39 @@ experts:
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- login: hellocoldworld
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url: https://github.com/hellocoldworld
last_month_active:
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- login: Kludex
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- login: JavierSanchezCastro
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avatarUrl: https://avatars.githubusercontent.com/u/72013291?u=ae5679e6bd971d9d98cd5e76e8683f83642ba950&v=4
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avatarUrl: https://avatars.githubusercontent.com/u/22227620?v=4
url: https://github.com/arjwilliams
- login: wu-clan
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avatarUrl: https://avatars.githubusercontent.com/u/54935247?u=193cf5a169ca05fc54995a4dceabc82c7dc6e5ea&v=4
url: https://github.com/esrefzeki
top_contributors:
- login: waynerv
count: 25
@@ -232,7 +240,7 @@ top_contributors:
avatarUrl: https://avatars.githubusercontent.com/u/41147016?u=55010621aece725aa702270b54fed829b6a1fe60&v=4
url: https://github.com/tokusumi
- login: Kludex
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avatarUrl: https://avatars.githubusercontent.com/u/7353520?u=62adc405ef418f4b6c8caa93d3eb8ab107bc4927&v=4
url: https://github.com/Kludex
- login: jaystone776
@@ -241,20 +249,20 @@ top_contributors:
url: https://github.com/jaystone776
- login: dmontagu
count: 16
avatarUrl: https://avatars.githubusercontent.com/u/35119617?u=58ed2a45798a4339700e2f62b2e12e6e54bf0396&v=4
avatarUrl: https://avatars.githubusercontent.com/u/35119617?u=540f30c937a6450812628b9592a1dfe91bbe148e&v=4
url: https://github.com/dmontagu
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url: https://github.com/Xewus
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- login: Xewus
count: 12
avatarUrl: https://avatars.githubusercontent.com/u/85196001?u=f8e2dc7e5104f109cef944af79050ea8d1b8f914&v=4
url: https://github.com/Xewus
- login: Smlep
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avatarUrl: https://avatars.githubusercontent.com/u/16785985?v=4
@@ -275,6 +283,10 @@ top_contributors:
count: 7
avatarUrl: https://avatars.githubusercontent.com/u/9651103?u=95db33927bbff1ed1c07efddeb97ac2ff33068ed&v=4
url: https://github.com/hard-coders
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top_reviewers:
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@@ -368,6 +384,10 @@ top_reviewers:
count: 41
avatarUrl: https://avatars.githubusercontent.com/u/24587499?u=e772190a051ab0eaa9c8542fcff1892471638f2b&v=4
url: https://github.com/cikay
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avatarUrl: https://avatars.githubusercontent.com/u/13659033?u=e8bea32d07a5ef72f7dde3b2079ceb714923ca05&v=4
@@ -376,10 +396,6 @@ top_reviewers:
count: 33
avatarUrl: https://avatars.githubusercontent.com/u/1024932?u=b2ea249c6b41ddf98679c8d110d0f67d4a3ebf93&v=4
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- login: Xewus
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@@ -402,7 +418,7 @@ top_reviewers:
url: https://github.com/Ryandaydev
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url: https://github.com/dmontagu
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@@ -452,6 +468,10 @@ top_reviewers:
count: 15
avatarUrl: https://avatars.githubusercontent.com/u/63476957?u=6c86e59b48e0394d4db230f37fc9ad4d7e2c27c7&v=4
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count: 12
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@@ -496,10 +520,6 @@ top_reviewers:
count: 10
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@@ -524,7 +544,3 @@ top_reviewers:
count: 9
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url: https://github.com/oandersonmagalhaes
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url: https://github.com/NinaHwang

View File

@@ -5,6 +5,9 @@ gold:
- url: https://platform.sh/try-it-now/?utm_source=fastapi-signup&utm_medium=banner&utm_campaign=FastAPI-signup-June-2023
title: "Build, run and scale your apps on a modern, reliable, and secure PaaS."
img: https://fastapi.tiangolo.com/img/sponsors/platform-sh.png
- url: https://www.buildwithfern.com/?utm_source=tiangolo&utm_medium=website&utm_campaign=main-badge
title: Fern | SDKs and API docs
img: https://fastapi.tiangolo.com/img/sponsors/fern.png
silver:
- url: https://www.deta.sh/?ref=fastapi
title: The launchpad for all your (team's) ideas

View File

@@ -236,5 +236,5 @@ For example:
To see what exactly you can include in the responses, you can check these sections in the OpenAPI specification:
* <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.2.md#responsesObject" class="external-link" target="_blank">OpenAPI Responses Object</a>, it includes the `Response Object`.
* <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.2.md#responseObject" class="external-link" target="_blank">OpenAPI Response Object</a>, you can include anything from this directly in each response inside your `responses` parameter. Including `description`, `headers`, `content` (inside of this is that you declare different media types and JSON Schemas), and `links`.
* <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.1.0.md#responsesObject" class="external-link" target="_blank">OpenAPI Responses Object</a>, it includes the `Response Object`.
* <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.1.0.md#responseObject" class="external-link" target="_blank">OpenAPI Response Object</a>, you can include anything from this directly in each response inside your `responses` parameter. Including `description`, `headers`, `content` (inside of this is that you declare different media types and JSON Schemas), and `links`.

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@@ -1,5 +1,12 @@
# Async SQL (Relational) Databases
!!! info
These docs are about to be updated. 🎉
The current version assumes Pydantic v1.
The new docs will include Pydantic v2 and will use <a href="https://sqlmodel.tiangolo.com/" class="external-link" target="_blank">SQLModel</a> once it is updated to use Pydantic v2 as well.
You can also use <a href="https://github.com/encode/databases" class="external-link" target="_blank">`encode/databases`</a> with **FastAPI** to connect to databases using `async` and `await`.
It is compatible with:

View File

@@ -46,7 +46,7 @@ The docs UI would also need the OpenAPI schema to declare that this API `server`
```JSON hl_lines="4-8"
{
"openapi": "3.0.2",
"openapi": "3.1.0",
// More stuff here
"servers": [
{
@@ -298,7 +298,7 @@ Will generate an OpenAPI schema like:
```JSON hl_lines="5-7"
{
"openapi": "3.0.2",
"openapi": "3.1.0",
// More stuff here
"servers": [
{

View File

@@ -29,10 +29,14 @@ And that function `get_openapi()` receives as parameters:
* `title`: The OpenAPI title, shown in the docs.
* `version`: The version of your API, e.g. `2.5.0`.
* `openapi_version`: The version of the OpenAPI specification used. By default, the latest: `3.0.2`.
* `description`: The description of your API.
* `openapi_version`: The version of the OpenAPI specification used. By default, the latest: `3.1.0`.
* `summary`: A short summary of the API.
* `description`: The description of your API, this can include markdown and will be shown in the docs.
* `routes`: A list of routes, these are each of the registered *path operations*. They are taken from `app.routes`.
!!! info
The parameter `summary` is available in OpenAPI 3.1.0 and above, supported by FastAPI 0.99.0 and above.
## Overriding the defaults
Using the information above, you can use the same utility function to generate the OpenAPI schema and override each part that you need.
@@ -51,7 +55,7 @@ First, write all your **FastAPI** application as normally:
Then, use the same utility function to generate the OpenAPI schema, inside a `custom_openapi()` function:
```Python hl_lines="2 15-20"
```Python hl_lines="2 15-21"
{!../../../docs_src/extending_openapi/tutorial001.py!}
```
@@ -59,7 +63,7 @@ Then, use the same utility function to generate the OpenAPI schema, inside a `cu
Now you can add the ReDoc extension, adding a custom `x-logo` to the `info` "object" in the OpenAPI schema:
```Python hl_lines="21-23"
```Python hl_lines="22-24"
{!../../../docs_src/extending_openapi/tutorial001.py!}
```
@@ -71,7 +75,7 @@ That way, your application won't have to generate the schema every time a user o
It will be generated only once, and then the same cached schema will be used for the next requests.
```Python hl_lines="13-14 24-25"
```Python hl_lines="13-14 25-26"
{!../../../docs_src/extending_openapi/tutorial001.py!}
```
@@ -79,7 +83,7 @@ It will be generated only once, and then the same cached schema will be used for
Now you can replace the `.openapi()` method with your new function.
```Python hl_lines="28"
```Python hl_lines="29"
{!../../../docs_src/extending_openapi/tutorial001.py!}
```
@@ -132,8 +136,8 @@ You can probably right-click each link and select an option similar to `Save lin
**Swagger UI** uses the files:
* <a href="https://cdn.jsdelivr.net/npm/swagger-ui-dist@4/swagger-ui-bundle.js" class="external-link" target="_blank">`swagger-ui-bundle.js`</a>
* <a href="https://cdn.jsdelivr.net/npm/swagger-ui-dist@4/swagger-ui.css" class="external-link" target="_blank">`swagger-ui.css`</a>
* <a href="https://cdn.jsdelivr.net/npm/swagger-ui-dist@5/swagger-ui-bundle.js" class="external-link" target="_blank">`swagger-ui-bundle.js`</a>
* <a href="https://cdn.jsdelivr.net/npm/swagger-ui-dist@5/swagger-ui.css" class="external-link" target="_blank">`swagger-ui.css`</a>
And **ReDoc** uses the file:

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@@ -1,4 +1,4 @@
# Advanced User Guide - Intro
# Advanced User Guide
## Additional Features

View File

@@ -1,5 +1,12 @@
# NoSQL (Distributed / Big Data) Databases
!!! info
These docs are about to be updated. 🎉
The current version assumes Pydantic v1.
The new docs will hopefully use Pydantic v2 and will use <a href="https://art049.github.io/odmantic/" class="external-link" target="_blank">ODMantic</a> with MongoDB.
**FastAPI** can also be integrated with any <abbr title="Distributed database (Big Data), also 'Not Only SQL'">NoSQL</abbr>.
Here we'll see an example using **<a href="https://www.couchbase.com/" class="external-link" target="_blank">Couchbase</a>**, a <abbr title="Document here refers to a JSON object (a dict), with keys and values, and those values can also be other JSON objects, arrays (lists), numbers, strings, booleans, etc.">document</abbr> based NoSQL database.

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@@ -103,11 +103,11 @@ It should look just like a normal FastAPI *path operation*:
There are 2 main differences from a normal *path operation*:
* It doesn't need to have any actual code, because your app will never call this code. It's only used to document the *external API*. So, the function could just have `pass`.
* The *path* can contain an <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.2.md#key-expression" class="external-link" target="_blank">OpenAPI 3 expression</a> (see more below) where it can use variables with parameters and parts of the original request sent to *your API*.
* The *path* can contain an <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.1.0.md#key-expression" class="external-link" target="_blank">OpenAPI 3 expression</a> (see more below) where it can use variables with parameters and parts of the original request sent to *your API*.
### The callback path expression
The callback *path* can have an <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.2.md#key-expression" class="external-link" target="_blank">OpenAPI 3 expression</a> that can contain parts of the original request sent to *your API*.
The callback *path* can have an <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.1.0.md#key-expression" class="external-link" target="_blank">OpenAPI 3 expression</a> that can contain parts of the original request sent to *your API*.
In this case, it's the `str`:

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@@ -0,0 +1,51 @@
# OpenAPI Webhooks
There are cases where you want to tell your API **users** that your app could call *their* app (sending a request) with some data, normally to **notify** of some type of **event**.
This means that instead of the normal process of your users sending requests to your API, it's **your API** (or your app) that could **send requests to their system** (to their API, their app).
This is normally called a **webhook**.
## Webhooks steps
The process normally is that **you define** in your code what is the message that you will send, the **body of the request**.
You also define in some way at which **moments** your app will send those requests or events.
And **your users** define in some way (for example in a web dashboard somewhere) the **URL** where your app should send those requests.
All the **logic** about how to register the URLs for webhooks and the code to actually send those requests is up to you. You write it however you want to in **your own code**.
## Documenting webhooks with **FastAPI** and OpenAPI
With **FastAPI**, using OpenAPI, you can define the names of these webhooks, the types of HTTP operations that your app can send (e.g. `POST`, `PUT`, etc.) and the request **bodies** that your app would send.
This can make it a lot easier for your users to **implement their APIs** to receive your **webhook** requests, they might even be able to autogenerate some of their own API code.
!!! info
Webhooks are available in OpenAPI 3.1.0 and above, supported by FastAPI `0.99.0` and above.
## An app with webhooks
When you create a **FastAPI** application, there is a `webhooks` attribute that you can use to define *webhooks*, the same way you would define *path operations*, for example with `@app.webhooks.post()`.
```Python hl_lines="9-13 36-53"
{!../../../docs_src/openapi_webhooks/tutorial001.py!}
```
The webhooks that you define will end up in the **OpenAPI** schema and the automatic **docs UI**.
!!! info
The `app.webhooks` object is actually just an `APIRouter`, the same type you would use when structuring your app with multiple files.
Notice that with webhooks you are actually not declaring a *path* (like `/items/`), the text you pass there is just an **identifier** of the webhook (the name of the event), for example in `@app.webhooks.post("new-subscription")`, the webhook name is `new-subscription`.
This is because it is expected that **your users** would define the actual **URL path** where they want to receive the webhook request in some other way (e.g. a web dashboard).
### Check the docs
Now you can start your app with Uvicorn and go to <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.
You will see your docs have the normal *path operations* and now also some **webhooks**:
<img src="/img/tutorial/openapi-webhooks/image01.png">

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@@ -97,7 +97,7 @@ And if you see the resulting OpenAPI (at `/openapi.json` in your API), you will
```JSON hl_lines="22"
{
"openapi": "3.0.2",
"openapi": "3.1.0",
"info": {
"title": "FastAPI",
"version": "0.1.0"
@@ -150,9 +150,20 @@ And you could do this even if the data type in the request is not JSON.
For example, in this application we don't use FastAPI's integrated functionality to extract the JSON Schema from Pydantic models nor the automatic validation for JSON. In fact, we are declaring the request content type as YAML, not JSON:
```Python hl_lines="17-22 24"
{!../../../docs_src/path_operation_advanced_configuration/tutorial007.py!}
```
=== "Pydantic v2"
```Python hl_lines="17-22 24"
{!> ../../../docs_src/path_operation_advanced_configuration/tutorial007.py!}
```
=== "Pydantic v1"
```Python hl_lines="17-22 24"
{!> ../../../docs_src/path_operation_advanced_configuration/tutorial007_pv1.py!}
```
!!! info
In Pydantic version 1 the method to get the JSON Schema for a model was called `Item.schema()`, in Pydantic version 2, the method is called `Item.model_schema_json()`.
Nevertheless, although we are not using the default integrated functionality, we are still using a Pydantic model to manually generate the JSON Schema for the data that we want to receive in YAML.
@@ -160,9 +171,20 @@ Then we use the request directly, and extract the body as `bytes`. This means th
And then in our code, we parse that YAML content directly, and then we are again using the same Pydantic model to validate the YAML content:
```Python hl_lines="26-33"
{!../../../docs_src/path_operation_advanced_configuration/tutorial007.py!}
```
=== "Pydantic v2"
```Python hl_lines="26-33"
{!> ../../../docs_src/path_operation_advanced_configuration/tutorial007.py!}
```
=== "Pydantic v1"
```Python hl_lines="26-33"
{!> ../../../docs_src/path_operation_advanced_configuration/tutorial007_pv1.py!}
```
!!! info
In Pydantic version 1 the method to parse and validate an object was `Item.parse_obj()`, in Pydantic version 2, the method is called `Item.model_validate()`.
!!! tip
Here we re-use the same Pydantic model.

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@@ -1,4 +1,4 @@
# Advanced Security - Intro
# Advanced Security
## Additional Features

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@@ -125,7 +125,34 @@ That means that any value read in Python from an environment variable will be a
## Pydantic `Settings`
Fortunately, Pydantic provides a great utility to handle these settings coming from environment variables with <a href="https://pydantic-docs.helpmanual.io/usage/settings/" class="external-link" target="_blank">Pydantic: Settings management</a>.
Fortunately, Pydantic provides a great utility to handle these settings coming from environment variables with <a href="https://docs.pydantic.dev/latest/usage/pydantic_settings/" class="external-link" target="_blank">Pydantic: Settings management</a>.
### Install `pydantic-settings`
First, install the `pydantic-settings` package:
<div class="termy">
```console
$ pip install pydantic-settings
---> 100%
```
</div>
It also comes included when you install the `all` extras with:
<div class="termy">
```console
$ pip install "fastapi[all]"
---> 100%
```
</div>
!!! info
In Pydantic v1 it came included with the main package. Now it is distributed as this independent package so that you can choose to install it or not if you don't need that functionality.
### Create the `Settings` object
@@ -135,9 +162,20 @@ The same way as with Pydantic models, you declare class attributes with type ann
You can use all the same validation features and tools you use for Pydantic models, like different data types and additional validations with `Field()`.
```Python hl_lines="2 5-8 11"
{!../../../docs_src/settings/tutorial001.py!}
```
=== "Pydantic v2"
```Python hl_lines="2 5-8 11"
{!> ../../../docs_src/settings/tutorial001.py!}
```
=== "Pydantic v1"
!!! info
In Pydantic v1 you would import `BaseSettings` directly from `pydantic` instead of from `pydantic_settings`.
```Python hl_lines="2 5-8 11"
{!> ../../../docs_src/settings/tutorial001_pv1.py!}
```
!!! tip
If you want something quick to copy and paste, don't use this example, use the last one below.
@@ -306,14 +344,28 @@ APP_NAME="ChimichangApp"
And then update your `config.py` with:
```Python hl_lines="9-10"
{!../../../docs_src/settings/app03/config.py!}
```
=== "Pydantic v2"
Here we create a class `Config` inside of your Pydantic `Settings` class, and set the `env_file` to the filename with the dotenv file we want to use.
```Python hl_lines="9"
{!> ../../../docs_src/settings/app03_an/config.py!}
```
!!! tip
The `Config` class is used just for Pydantic configuration. You can read more at <a href="https://pydantic-docs.helpmanual.io/usage/model_config/" class="external-link" target="_blank">Pydantic Model Config</a>
!!! tip
The `model_config` attribute is used just for Pydantic configuration. You can read more at <a href="https://docs.pydantic.dev/latest/usage/model_config/" class="external-link" target="_blank">Pydantic Model Config</a>.
=== "Pydantic v1"
```Python hl_lines="9-10"
{!> ../../../docs_src/settings/app03_an/config_pv1.py!}
```
!!! tip
The `Config` class is used just for Pydantic configuration. You can read more at <a href="https://docs.pydantic.dev/1.10/usage/model_config/" class="external-link" target="_blank">Pydantic Model Config</a>.
!!! info
In Pydantic version 1 the configuration was done in an internal class `Config`, in Pydantic version 2 it's done in an attribute `model_config`. This attribute takes a `dict`, and to get autocompletion and inline errors you can import and use `SettingsConfigDict` to define that `dict`.
Here we define the config `env_file` inside of your Pydantic `Settings` class, and set the value to the filename with the dotenv file we want to use.
### Creating the `Settings` only once with `lru_cache`

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@@ -5,6 +5,13 @@
Feel free to skip this.
Peewee is not recommended with FastAPI as it doesn't play well with anything async Python. There are several better alternatives.
!!! info
These docs assume Pydantic v1.
Because Pewee doesn't play well with anything async and there are better alternatives, I won't update these docs for Pydantic v2, they are kept for now only for historical purposes.
If you are starting a project from scratch, you are probably better off with SQLAlchemy ORM ([SQL (Relational) Databases](../tutorial/sql-databases.md){.internal-link target=_blank}), or any other async ORM.
If you already have a code base that uses <a href="https://docs.peewee-orm.com/en/latest/" class="external-link" target="_blank">Peewee ORM</a>, you can check here how to use it with **FastAPI**.

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@@ -1,5 +1,12 @@
# Testing a Database
!!! info
These docs are about to be updated. 🎉
The current version assumes Pydantic v1, and SQLAlchemy versions less than 2.0.
The new docs will include Pydantic v2 and will use <a href="https://sqlmodel.tiangolo.com/" class="external-link" target="_blank">SQLModel</a> (which is also based on SQLAlchemy) once it is updated to use Pydantic v2 as well.
You can use the same dependency overrides from [Testing Dependencies with Overrides](testing-dependencies.md){.internal-link target=_blank} to alter a database for testing.
You could want to set up a different database for testing, rollback the data after the tests, pre-fill it with some testing data, etc.

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@@ -195,6 +195,21 @@ It will serve the documentation on `http://127.0.0.1:8008`.
That way, you can edit the documentation/source files and see the changes live.
!!! tip
Alternatively, you can perform the same steps that scripts does manually.
Go into the language directory, for the main docs in English it's at `docs/en/`:
```console
$ cd docs/en/
```
Then run `mkdocs` in that directory:
```console
$ mkdocs serve --dev-addr 8008
```
#### Typer CLI (optional)
The instructions here show you how to use the script at `./scripts/docs.py` with the `python` program directly.
@@ -245,13 +260,15 @@ Here are the steps to help with translations.
Check the docs about <a href="https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/about-pull-request-reviews" class="external-link" target="_blank">adding a pull request review</a> to approve it or request changes.
* Check in the <a href="https://github.com/tiangolo/fastapi/issues" class="external-link" target="_blank">issues</a> to see if there's one coordinating translations for your language.
* Check if there's a <a href="https://github.com/tiangolo/fastapi/discussions/categories/translations" class="external-link" target="_blank">GitHub Discussion</a> to coordinate translations for your language. You can subscribe to it, and when there's a new pull request to review, an automatic comment will be added to the discussion.
* Add a single pull request per page translated. That will make it much easier for others to review it.
For the languages I don't speak, I'll wait for several others to review the translation before merging.
* You can also check if there are translations for your language and add a review to them, that will help me know that the translation is correct and I can merge it.
* You could check in the <a href="https://github.com/tiangolo/fastapi/discussions/categories/translations" class="external-link" target="_blank">GitHub Discussions</a> for your language.
* Or you can filter the existing PRs by the ones with the label for your language, for example, for Spanish, the label is <a href="https://github.com/tiangolo/fastapi/pulls?q=is%3Apr+is%3Aopen+sort%3Aupdated-desc+label%3Alang-es+label%3A%22awaiting+review%22" class="external-link" target="_blank">`lang-es`</a>.
* Use the same Python examples and only translate the text in the docs. You don't have to change anything for this to work.
@@ -283,11 +300,24 @@ $ python ./scripts/docs.py live es
</div>
!!! tip
Alternatively, you can perform the same steps that scripts does manually.
Go into the language directory, for the Spanish translations it's at `docs/es/`:
```console
$ cd docs/es/
```
Then run `mkdocs` in that directory:
```console
$ mkdocs serve --dev-addr 8008
```
Now you can go to <a href="http://127.0.0.1:8008" class="external-link" target="_blank">http://127.0.0.1:8008</a> and see your changes live.
If you look at the FastAPI docs website, you will see that every language has all the pages. But some pages are not translated and have a notification about the missing translation.
But when you run it locally like this, you will only see the pages that are already translated.
You will see that every language has all the pages. But some pages are not translated and have a notification about the missing translation.
Now let's say that you want to add a translation for the section [Features](features.md){.internal-link target=_blank}.
@@ -306,46 +336,6 @@ docs/es/docs/features.md
!!! tip
Notice that the only change in the path and file name is the language code, from `en` to `es`.
* Now open the MkDocs config file for English at:
```
docs/en/mkdocs.yml
```
* Find the place where that `docs/features.md` is located in the config file. Somewhere like:
```YAML hl_lines="8"
site_name: FastAPI
# More stuff
nav:
- FastAPI: index.md
- Languages:
- en: /
- es: /es/
- features.md
```
* Open the MkDocs config file for the language you are editing, e.g.:
```
docs/es/mkdocs.yml
```
* Add it there at the exact same location it was for English, e.g.:
```YAML hl_lines="8"
site_name: FastAPI
# More stuff
nav:
- FastAPI: index.md
- Languages:
- en: /
- es: /es/
- features.md
```
Make sure that if there are other entries, the new entry with your translation is exactly in the same order as in the English version.
If you go to your browser you will see that now the docs show your new section. 🎉
Now you can translate it all and see how it looks as you save the file.
@@ -367,55 +357,32 @@ The next step is to run the script to generate a new translation directory:
$ python ./scripts/docs.py new-lang ht
Successfully initialized: docs/ht
Updating ht
Updating en
```
</div>
Now you can check in your code editor the newly created directory `docs/ht/`.
That command created a file `docs/ht/mkdocs.yml` with a simple config that inherits everything from the `en` version:
```yaml
INHERIT: ../en/mkdocs.yml
```
!!! tip
Create a first pull request with just this, to set up the configuration for the new language, before adding translations.
You could also simply create that file with those contents manually.
That way others can help with other pages while you work on the first one. 🚀
That command also created a dummy file `docs/ht/index.md` for the main page, you can start by translating that one.
Start by translating the main page, `docs/ht/index.md`.
You can continue with the previous instructions for an "Existing Language" for that process.
Then you can continue with the previous instructions, for an "Existing Language".
##### New Language not supported
If when running the live server script you get an error about the language not being supported, something like:
```
raise TemplateNotFound(template)
jinja2.exceptions.TemplateNotFound: partials/language/xx.html
```
That means that the theme doesn't support that language (in this case, with a fake 2-letter code of `xx`).
But don't worry, you can set the theme language to English and then translate the content of the docs.
If you need to do that, edit the `mkdocs.yml` for your new language, it will have something like:
```YAML hl_lines="5"
site_name: FastAPI
# More stuff
theme:
# More stuff
language: xx
```
Change that language from `xx` (from your language code) to `en`.
Then you can start the live server again.
You can make the first pull request with those two files, `docs/ht/mkdocs.yml` and `docs/ht/index.md`. 🎉
#### Preview the result
When you use the script at `./scripts/docs.py` with the `live` command it only shows the files and translations available for the current language.
You can use the `./scripts/docs.py` with the `live` command to preview the results (or `mkdocs serve`).
But once you are done, you can test it all as it would look online.
Once you are done, you can also test it all as it would look online, including all the other languages.
To do that, first build all the docs:
@@ -425,19 +392,14 @@ To do that, first build all the docs:
// Use the command "build-all", this will take a bit
$ python ./scripts/docs.py build-all
Updating es
Updating en
Building docs for: en
Building docs for: es
Successfully built docs for: es
Copying en index.md to README.md
```
</div>
That generates all the docs at `./docs_build/` for each language. This includes adding any files with missing translations, with a note saying that "this file doesn't have a translation yet". But you don't have to do anything with that directory.
Then it builds all those independent MkDocs sites for each language, combines them, and generates the final output at `./site/`.
This builds all those independent MkDocs sites for each language, combines them, and generates the final output at `./site/`.
Then you can serve that with the command `serve`:

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@@ -1,4 +1,4 @@
# Deployment - Intro
# Deployment
Deploying a **FastAPI** application is relatively easy.

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@@ -446,6 +446,8 @@ To understand more about it, see the section <a href="https://fastapi.tiangolo.c
Used by Pydantic:
* <a href="https://github.com/JoshData/python-email-validator" target="_blank"><code>email_validator</code></a> - for email validation.
* <a href="https://docs.pydantic.dev/latest/usage/pydantic_settings/" target="_blank"><code>pydantic-settings</code></a> - for settings management.
* <a href="https://docs.pydantic.dev/latest/usage/types/extra_types/extra_types/" target="_blank"><code>pydantic-extra-types</code></a> - for extra types to be used with Pydantic.
Used by Starlette:

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@@ -1,5 +1,5 @@
# FastAPI and friends newsletter
<iframe class="mj-w-res-iframe" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="https://app.mailjet.com/widget/iframe/6gQ4/GDo" width="100%"></iframe>
<iframe data-w-type="embedded" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="https://xr4n4.mjt.lu/wgt/xr4n4/hj5/form?c=40a44fa4" width="100%" style="height: 0;"></iframe>
<script type="text/javascript" src="https://app.mailjet.com/statics/js/iframeResizer.min.js"></script>
<script type="text/javascript" src="https://app.mailjet.com/pas-nc-embedded-v1.js"></script>

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@@ -3,6 +3,165 @@
## Latest Changes
## 0.100.1
### Fixes
* 🐛 Replace `MultHostUrl` to `AnyUrl` for compatibility with older versions of Pydantic v1. PR [#9852](https://github.com/tiangolo/fastapi/pull/9852) by [@Kludex](https://github.com/Kludex).
### Docs
* 📝 Update links for self-hosted Swagger UI, point to v5, for OpenAPI 31.0. PR [#9834](https://github.com/tiangolo/fastapi/pull/9834) by [@tiangolo](https://github.com/tiangolo).
### Translations
* 🌐 Add Ukrainian translation for `docs/uk/docs/tutorial/body.md`. PR [#4574](https://github.com/tiangolo/fastapi/pull/4574) by [@ss-o-furda](https://github.com/ss-o-furda).
* 🌐 Add Vietnamese translation for `docs/vi/docs/features.md` and `docs/vi/docs/index.md`. PR [#3006](https://github.com/tiangolo/fastapi/pull/3006) by [@magiskboy](https://github.com/magiskboy).
* 🌐 Add Korean translation for `docs/ko/docs/async.md`. PR [#4179](https://github.com/tiangolo/fastapi/pull/4179) by [@NinaHwang](https://github.com/NinaHwang).
* 🌐 Add Chinese translation for `docs/zh/docs/tutorial/background-tasks.md`. PR [#9812](https://github.com/tiangolo/fastapi/pull/9812) by [@wdh99](https://github.com/wdh99).
* 🌐 Add French translation for `docs/fr/docs/tutorial/query-params-str-validations.md`. PR [#4075](https://github.com/tiangolo/fastapi/pull/4075) by [@Smlep](https://github.com/Smlep).
* 🌐 Add French translation for `docs/fr/docs/tutorial/index.md`. PR [#2234](https://github.com/tiangolo/fastapi/pull/2234) by [@JulianMaurin](https://github.com/JulianMaurin).
* 🌐 Add French translation for `docs/fr/docs/contributing.md`. PR [#2132](https://github.com/tiangolo/fastapi/pull/2132) by [@JulianMaurin](https://github.com/JulianMaurin).
* 🌐 Add French translation for `docs/fr/docs/benchmarks.md`. PR [#2155](https://github.com/tiangolo/fastapi/pull/2155) by [@clemsau](https://github.com/clemsau).
* 🌐 Update Chinese translations with new source files. PR [#9738](https://github.com/tiangolo/fastapi/pull/9738) by [@mahone3297](https://github.com/mahone3297).
* 🌐 Add Russian translation for `docs/ru/docs/tutorial/request-forms.md`. PR [#9841](https://github.com/tiangolo/fastapi/pull/9841) by [@dedkot01](https://github.com/dedkot01).
* 🌐 Update Chinese translation for `docs/zh/docs/tutorial/handling-errors.md`. PR [#9485](https://github.com/tiangolo/fastapi/pull/9485) by [@Creat55](https://github.com/Creat55).
### Internal
* 🔧 Update sponsors, add Fern. PR [#9956](https://github.com/tiangolo/fastapi/pull/9956) by [@tiangolo](https://github.com/tiangolo).
* 👷 Update FastAPI People token. PR [#9844](https://github.com/tiangolo/fastapi/pull/9844) by [@tiangolo](https://github.com/tiangolo).
* 👥 Update FastAPI People. PR [#9775](https://github.com/tiangolo/fastapi/pull/9775) by [@tiangolo](https://github.com/tiangolo).
* 👷 Update MkDocs Material token. PR [#9843](https://github.com/tiangolo/fastapi/pull/9843) by [@tiangolo](https://github.com/tiangolo).
* 👷 Update token for latest changes. PR [#9842](https://github.com/tiangolo/fastapi/pull/9842) by [@tiangolo](https://github.com/tiangolo).
## 0.100.0
✨ Support for **Pydantic v2**
Pydantic version 2 has the **core** re-written in **Rust** and includes a lot of improvements and features, for example:
* Improved **correctness** in corner cases.
* **Safer** types.
* Better **performance** and **less energy** consumption.
* Better **extensibility**.
* etc.
...all this while keeping the **same Python API**. In most of the cases, for simple models, you can simply upgrade the Pydantic version and get all the benefits. 🚀
In some cases, for pure data validation and processing, you can get performance improvements of **20x** or more. This means 2,000% or more. 🤯
When you use **FastAPI**, there's a lot more going on, processing the request and response, handling dependencies, executing **your own code**, and particularly, **waiting for the network**. But you will probably still get some nice performance improvements just from the upgrade.
The focus of this release is **compatibility** with Pydantic v1 and v2, to make sure your current apps keep working. Later there will be more focus on refactors, correctness, code improvements, and then **performance** improvements. Some third-party early beta testers that ran benchmarks on the beta releases of FastAPI reported improvements of **2x - 3x**. Which is not bad for just doing `pip install --upgrade fastapi pydantic`. This was not an official benchmark and I didn't check it myself, but it's a good sign.
### Migration
Check out the [Pydantic migration guide](https://docs.pydantic.dev/2.0/migration/).
For the things that need changes in your Pydantic models, the Pydantic team built [`bump-pydantic`](https://github.com/pydantic/bump-pydantic).
A command line tool that will **process your code** and update most of the things **automatically** for you. Make sure you have your code in git first, and review each of the changes to make sure everything is correct before committing the changes.
### Pydantic v1
**This version of FastAPI still supports Pydantic v1**. And although Pydantic v1 will be deprecated at some point, ti will still be supported for a while.
This means that you can install the new Pydantic v2, and if something fails, you can install Pydantic v1 while you fix any problems you might have, but having the latest FastAPI.
There are **tests for both Pydantic v1 and v2**, and test **coverage** is kept at **100%**.
### Changes
* There are **new parameter** fields supported by Pydantic `Field()` for:
* `Path()`
* `Query()`
* `Header()`
* `Cookie()`
* `Body()`
* `Form()`
* `File()`
* The new parameter fields are:
* `default_factory`
* `alias_priority`
* `validation_alias`
* `serialization_alias`
* `discriminator`
* `strict`
* `multiple_of`
* `allow_inf_nan`
* `max_digits`
* `decimal_places`
* `json_schema_extra`
...you can read about them in the Pydantic docs.
* The parameter `regex` has been deprecated and replaced by `pattern`.
* You can read more about it in the docs for [Query Parameters and String Validations: Add regular expressions](https://fastapi.tiangolo.com/tutorial/query-params-str-validations/#add-regular-expressions).
* New Pydantic models use an improved and simplified attribute `model_config` that takes a simple dict instead of an internal class `Config` for their configuration.
* You can read more about it in the docs for [Declare Request Example Data](https://fastapi.tiangolo.com/tutorial/schema-extra-example/).
* The attribute `schema_extra` for the internal class `Config` has been replaced by the key `json_schema_extra` in the new `model_config` dict.
* You can read more about it in the docs for [Declare Request Example Data](https://fastapi.tiangolo.com/tutorial/schema-extra-example/).
* When you install `"fastapi[all]"` it now also includes:
* <a href="https://docs.pydantic.dev/latest/usage/pydantic_settings/" target="_blank"><code>pydantic-settings</code></a> - for settings management.
* <a href="https://docs.pydantic.dev/latest/usage/types/extra_types/extra_types/" target="_blank"><code>pydantic-extra-types</code></a> - for extra types to be used with Pydantic.
* Now Pydantic Settings is an additional optional package (included in `"fastapi[all]"`). To use settings you should now import `from pydantic_settings import BaseSettings` instead of importing from `pydantic` directly.
* You can read more about it in the docs for [Settings and Environment Variables](https://fastapi.tiangolo.com/advanced/settings/).
* PR [#9816](https://github.com/tiangolo/fastapi/pull/9816) by [@tiangolo](https://github.com/tiangolo), included all the work done (in multiple PRs) on the beta branch (`main-pv2`).
## 0.99.1
### Fixes
* 🐛 Fix JSON Schema accepting bools as valid JSON Schemas, e.g. `additionalProperties: false`. PR [#9781](https://github.com/tiangolo/fastapi/pull/9781) by [@tiangolo](https://github.com/tiangolo).
### Docs
* 📝 Update source examples to use new JSON Schema examples field. PR [#9776](https://github.com/tiangolo/fastapi/pull/9776) by [@tiangolo](https://github.com/tiangolo).
## 0.99.0
### Features
* ✨ Add support for OpenAPI 3.1.0. PR [#9770](https://github.com/tiangolo/fastapi/pull/9770) by [@tiangolo](https://github.com/tiangolo).
* New support for documenting **webhooks**, read the new docs here: <a href="https://fastapi.tiangolo.com/advanced/openapi-webhooks/" class="external-link" target="_blank">Advanced User Guide: OpenAPI Webhooks</a>.
* Upgrade OpenAPI 3.1.0, this uses JSON Schema 2020-12.
* Upgrade Swagger UI to version 5.x.x, that supports OpenAPI 3.1.0.
* Updated `examples` field in `Query()`, `Cookie()`, `Body()`, etc. based on the latest JSON Schema and OpenAPI. Now it takes a list of examples and they are included directly in the JSON Schema, not outside. Read more about it (including the historical technical details) in the updated docs: <a href="https://fastapi.tiangolo.com/tutorial/schema-extra-example/" class="external-link" target="_blank">Tutorial: Declare Request Example Data</a>.
* ✨ Add support for `deque` objects and children in `jsonable_encoder`. PR [#9433](https://github.com/tiangolo/fastapi/pull/9433) by [@cranium](https://github.com/cranium).
### Docs
* 📝 Fix form for the FastAPI and friends newsletter. PR [#9749](https://github.com/tiangolo/fastapi/pull/9749) by [@tiangolo](https://github.com/tiangolo).
### Translations
* 🌐 Add Persian translation for `docs/fa/docs/advanced/sub-applications.md`. PR [#9692](https://github.com/tiangolo/fastapi/pull/9692) by [@mojtabapaso](https://github.com/mojtabapaso).
* 🌐 Add Russian translation for `docs/ru/docs/tutorial/response-model.md`. PR [#9675](https://github.com/tiangolo/fastapi/pull/9675) by [@glsglsgls](https://github.com/glsglsgls).
### Internal
* 🔨 Enable linenums in MkDocs Material during local live development to simplify highlighting code. PR [#9769](https://github.com/tiangolo/fastapi/pull/9769) by [@tiangolo](https://github.com/tiangolo).
* ⬆ Update httpx requirement from <0.24.0,>=0.23.0 to >=0.23.0,<0.25.0. PR [#9724](https://github.com/tiangolo/fastapi/pull/9724) by [@dependabot[bot]](https://github.com/apps/dependabot).
* ⬆ Bump mkdocs-material from 9.1.16 to 9.1.17. PR [#9746](https://github.com/tiangolo/fastapi/pull/9746) by [@dependabot[bot]](https://github.com/apps/dependabot).
* 🔥 Remove missing translation dummy pages, no longer necessary. PR [#9751](https://github.com/tiangolo/fastapi/pull/9751) by [@tiangolo](https://github.com/tiangolo).
* ⬆ [pre-commit.ci] pre-commit autoupdate. PR [#9259](https://github.com/tiangolo/fastapi/pull/9259) by [@pre-commit-ci[bot]](https://github.com/apps/pre-commit-ci).
* ✨ Add Material for MkDocs Insiders features and cards. PR [#9748](https://github.com/tiangolo/fastapi/pull/9748) by [@tiangolo](https://github.com/tiangolo).
* 🔥 Remove languages without translations. PR [#9743](https://github.com/tiangolo/fastapi/pull/9743) by [@tiangolo](https://github.com/tiangolo).
* ✨ Refactor docs for building scripts, use MkDocs hooks, simplify (remove) configs for languages. PR [#9742](https://github.com/tiangolo/fastapi/pull/9742) by [@tiangolo](https://github.com/tiangolo).
* 🔨 Add MkDocs hook that renames sections based on the first index file. PR [#9737](https://github.com/tiangolo/fastapi/pull/9737) by [@tiangolo](https://github.com/tiangolo).
* 👷 Make cron jobs run only on main repo, not on forks, to avoid error notifications from missing tokens. PR [#9735](https://github.com/tiangolo/fastapi/pull/9735) by [@tiangolo](https://github.com/tiangolo).
* 🔧 Update MkDocs for other languages. PR [#9734](https://github.com/tiangolo/fastapi/pull/9734) by [@tiangolo](https://github.com/tiangolo).
* 👷 Refactor Docs CI, run in multiple workers with a dynamic matrix to optimize speed. PR [#9732](https://github.com/tiangolo/fastapi/pull/9732) by [@tiangolo](https://github.com/tiangolo).
* 🔥 Remove old internal GitHub Action watch-previews that is no longer needed. PR [#9730](https://github.com/tiangolo/fastapi/pull/9730) by [@tiangolo](https://github.com/tiangolo).
* ⬆️ Upgrade MkDocs and MkDocs Material. PR [#9729](https://github.com/tiangolo/fastapi/pull/9729) by [@tiangolo](https://github.com/tiangolo).
* 👷 Build and deploy docs only on docs changes. PR [#9728](https://github.com/tiangolo/fastapi/pull/9728) by [@tiangolo](https://github.com/tiangolo).
## 0.98.0
### Features

View File

@@ -1,4 +1,4 @@
# Dependencies - First Steps
# Dependencies
**FastAPI** has a very powerful but intuitive **<abbr title="also known as components, resources, providers, services, injectables">Dependency Injection</abbr>** system.

View File

@@ -99,7 +99,7 @@ It will show a JSON starting with something like:
```JSON
{
"openapi": "3.0.2",
"openapi": "3.1.0",
"info": {
"title": "FastAPI",
"version": "0.1.0"

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@@ -1,4 +1,4 @@
# Tutorial - User Guide - Intro
# Tutorial - User Guide
This tutorial shows you how to use **FastAPI** with most of its features, step by step.

View File

@@ -9,15 +9,16 @@ You can set the following fields that are used in the OpenAPI specification and
| Parameter | Type | Description |
|------------|------|-------------|
| `title` | `str` | The title of the API. |
| `summary` | `str` | A short summary of the API. <small>Available since OpenAPI 3.1.0, FastAPI 0.99.0.</small> |
| `description` | `str` | A short description of the API. It can use Markdown. |
| `version` | `string` | The version of the API. This is the version of your own application, not of OpenAPI. For example `2.5.0`. |
| `terms_of_service` | `str` | A URL to the Terms of Service for the API. If provided, this has to be a URL. |
| `contact` | `dict` | The contact information for the exposed API. It can contain several fields. <details><summary><code>contact</code> fields</summary><table><thead><tr><th>Parameter</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td><code>name</code></td><td><code>str</code></td><td>The identifying name of the contact person/organization.</td></tr><tr><td><code>url</code></td><td><code>str</code></td><td>The URL pointing to the contact information. MUST be in the format of a URL.</td></tr><tr><td><code>email</code></td><td><code>str</code></td><td>The email address of the contact person/organization. MUST be in the format of an email address.</td></tr></tbody></table></details> |
| `license_info` | `dict` | The license information for the exposed API. It can contain several fields. <details><summary><code>license_info</code> fields</summary><table><thead><tr><th>Parameter</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td><code>name</code></td><td><code>str</code></td><td><strong>REQUIRED</strong> (if a <code>license_info</code> is set). The license name used for the API.</td></tr><tr><td><code>url</code></td><td><code>str</code></td><td>A URL to the license used for the API. MUST be in the format of a URL.</td></tr></tbody></table></details> |
| `license_info` | `dict` | The license information for the exposed API. It can contain several fields. <details><summary><code>license_info</code> fields</summary><table><thead><tr><th>Parameter</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td><code>name</code></td><td><code>str</code></td><td><strong>REQUIRED</strong> (if a <code>license_info</code> is set). The license name used for the API.</td></tr><tr><td><code>identifier</code></td><td><code>str</code></td><td>An <a href="https://spdx.dev/spdx-specification-21-web-version/#h.jxpfx0ykyb60" class="external-link" target="_blank">SPDX</a> license expression for the API. The <code>identifier</code> field is mutually exclusive of the <code>url</code> field. <small>Available since OpenAPI 3.1.0, FastAPI 0.99.0.</small></td></tr><tr><td><code>url</code></td><td><code>str</code></td><td>A URL to the license used for the API. MUST be in the format of a URL.</td></tr></tbody></table></details> |
You can set them as follows:
```Python hl_lines="3-16 19-31"
```Python hl_lines="3-16 19-32"
{!../../../docs_src/metadata/tutorial001.py!}
```
@@ -28,6 +29,16 @@ With this configuration, the automatic API docs would look like:
<img src="/img/tutorial/metadata/image01.png">
## License identifier
Since OpenAPI 3.1.0 and FastAPI 0.99.0, you can also set the `license_info` with an `identifier` instead of a `url`.
For example:
```Python hl_lines="31"
{!../../../docs_src/metadata/tutorial001_1.py!}
```
## Metadata for tags
You can also add additional metadata for the different tags used to group your path operations with the parameter `openapi_tags`.

View File

@@ -83,7 +83,7 @@ And when you open your browser at <a href="http://127.0.0.1:8000/docs" class="ex
## Standards-based benefits, alternative documentation
And because the generated schema is from the <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.2.md" class="external-link" target="_blank">OpenAPI</a> standard, there are many compatible tools.
And because the generated schema is from the <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.1.0.md" class="external-link" target="_blank">OpenAPI</a> standard, there are many compatible tools.
Because of this, **FastAPI** itself provides an alternative API documentation (using ReDoc), which you can access at <a href="http://127.0.0.1:8000/redoc" class="external-link" target="_blank">http://127.0.0.1:8000/redoc</a>:

View File

@@ -277,7 +277,7 @@ You can also add a parameter `min_length`:
## Add regular expressions
You can define a <abbr title="A regular expression, regex or regexp is a sequence of characters that define a search pattern for strings.">regular expression</abbr> that the parameter should match:
You can define a <abbr title="A regular expression, regex or regexp is a sequence of characters that define a search pattern for strings.">regular expression</abbr> `pattern` that the parameter should match:
=== "Python 3.10+"
@@ -315,7 +315,7 @@ You can define a <abbr title="A regular expression, regex or regexp is a sequenc
{!> ../../../docs_src/query_params_str_validations/tutorial004.py!}
```
This specific regular expression checks that the received parameter value:
This specific regular expression pattern checks that the received parameter value:
* `^`: starts with the following characters, doesn't have characters before.
* `fixedquery`: has the exact value `fixedquery`.
@@ -325,6 +325,20 @@ If you feel lost with all these **"regular expression"** ideas, don't worry. The
But whenever you need them and go and learn them, know that you can already use them directly in **FastAPI**.
### Pydantic v1 `regex` instead of `pattern`
Before Pydantic version 2 and before FastAPI 0.100.0, the parameter was called `regex` instead of `pattern`, but it's now deprecated.
You could still see some code using it:
=== "Python 3.10+ Pydantic v1"
```Python hl_lines="11"
{!> ../../../docs_src/query_params_str_validations/tutorial004_an_py310_regex.py!}
```
But know that this is deprecated and it should be updated to use the new parameter `pattern`. 🤓
## Default values
You can, of course, use default values other than `None`.

View File

@@ -4,34 +4,63 @@ You can declare examples of the data your app can receive.
Here are several ways to do it.
## Pydantic `schema_extra`
## Extra JSON Schema data in Pydantic models
You can declare an `example` for a Pydantic model using `Config` and `schema_extra`, as described in <a href="https://pydantic-docs.helpmanual.io/usage/schema/#schema-customization" class="external-link" target="_blank">Pydantic's docs: Schema customization</a>:
You can declare `examples` for a Pydantic model that will be added to the generated JSON Schema.
=== "Python 3.10+"
=== "Python 3.10+ Pydantic v2"
```Python hl_lines="13-21"
```Python hl_lines="13-24"
{!> ../../../docs_src/schema_extra_example/tutorial001_py310.py!}
```
=== "Python 3.6+"
=== "Python 3.10+ Pydantic v1"
```Python hl_lines="15-23"
```Python hl_lines="13-23"
{!> ../../../docs_src/schema_extra_example/tutorial001_py310_pv1.py!}
```
=== "Python 3.6+ Pydantic v2"
```Python hl_lines="15-26"
{!> ../../../docs_src/schema_extra_example/tutorial001.py!}
```
=== "Python 3.6+ Pydantic v1"
```Python hl_lines="15-25"
{!> ../../../docs_src/schema_extra_example/tutorial001_pv1.py!}
```
That extra info will be added as-is to the output **JSON Schema** for that model, and it will be used in the API docs.
=== "Pydantic v2"
In Pydantic version 2, you would use the attribute `model_config`, that takes a `dict` as described in <a href="https://docs.pydantic.dev/latest/usage/model_config/" class="external-link" target="_blank">Pydantic's docs: Model Config</a>.
You can set `"json_schema_extra"` with a `dict` containing any additonal data you would like to show up in the generated JSON Schema, including `examples`.
=== "Pydantic v1"
In Pydantic version 1, you would use an internal class `Config` and `schema_extra`, as described in <a href="https://docs.pydantic.dev/1.10/usage/schema/#schema-customization" class="external-link" target="_blank">Pydantic's docs: Schema customization</a>.
You can set `schema_extra` with a `dict` containing any additonal data you would like to show up in the generated JSON Schema, including `examples`.
!!! tip
You could use the same technique to extend the JSON Schema and add your own custom extra info.
For example you could use it to add metadata for a frontend user interface, etc.
!!! info
OpenAPI 3.1.0 (used since FastAPI 0.99.0) added support for `examples`, which is part of the **JSON Schema** standard.
Before that, it only supported the keyword `example` with a single example. That is still supported by OpenAPI 3.1.0, but is deprecated and is not part of the JSON Schema standard. So you are encouraged to migrate `example` to `examples`. 🤓
You can read more at the end of this page.
## `Field` additional arguments
When using `Field()` with Pydantic models, you can also declare extra info for the **JSON Schema** by passing any other arbitrary arguments to the function.
You can use this to add `example` for each field:
When using `Field()` with Pydantic models, you can also declare additional `examples`:
=== "Python 3.10+"
@@ -45,10 +74,7 @@ You can use this to add `example` for each field:
{!> ../../../docs_src/schema_extra_example/tutorial002.py!}
```
!!! warning
Keep in mind that those extra arguments passed won't add any validation, only extra information, for documentation purposes.
## `example` and `examples` in OpenAPI
## `examples` in OpenAPI
When using any of:
@@ -60,27 +86,27 @@ When using any of:
* `Form()`
* `File()`
you can also declare a data `example` or a group of `examples` with additional information that will be added to **OpenAPI**.
you can also declare a group of `examples` with additional information that will be added to **OpenAPI**.
### `Body` with `example`
### `Body` with `examples`
Here we pass an `example` of the data expected in `Body()`:
Here we pass `examples` containing one example of the data expected in `Body()`:
=== "Python 3.10+"
```Python hl_lines="22-27"
```Python hl_lines="22-29"
{!> ../../../docs_src/schema_extra_example/tutorial003_an_py310.py!}
```
=== "Python 3.9+"
```Python hl_lines="22-27"
```Python hl_lines="22-29"
{!> ../../../docs_src/schema_extra_example/tutorial003_an_py39.py!}
```
=== "Python 3.6+"
```Python hl_lines="23-28"
```Python hl_lines="23-30"
{!> ../../../docs_src/schema_extra_example/tutorial003_an.py!}
```
@@ -89,7 +115,7 @@ Here we pass an `example` of the data expected in `Body()`:
!!! tip
Prefer to use the `Annotated` version if possible.
```Python hl_lines="18-23"
```Python hl_lines="18-25"
{!> ../../../docs_src/schema_extra_example/tutorial003_py310.py!}
```
@@ -98,7 +124,7 @@ Here we pass an `example` of the data expected in `Body()`:
!!! tip
Prefer to use the `Annotated` version if possible.
```Python hl_lines="20-25"
```Python hl_lines="20-27"
{!> ../../../docs_src/schema_extra_example/tutorial003.py!}
```
@@ -110,32 +136,23 @@ With any of the methods above it would look like this in the `/docs`:
### `Body` with multiple `examples`
Alternatively to the single `example`, you can pass `examples` using a `dict` with **multiple examples**, each with extra information that will be added to **OpenAPI** too.
The keys of the `dict` identify each example, and each value is another `dict`.
Each specific example `dict` in the `examples` can contain:
* `summary`: Short description for the example.
* `description`: A long description that can contain Markdown text.
* `value`: This is the actual example shown, e.g. a `dict`.
* `externalValue`: alternative to `value`, a URL pointing to the example. Although this might not be supported by as many tools as `value`.
You can of course also pass multiple `examples`:
=== "Python 3.10+"
```Python hl_lines="23-49"
```Python hl_lines="23-38"
{!> ../../../docs_src/schema_extra_example/tutorial004_an_py310.py!}
```
=== "Python 3.9+"
```Python hl_lines="23-49"
```Python hl_lines="23-38"
{!> ../../../docs_src/schema_extra_example/tutorial004_an_py39.py!}
```
=== "Python 3.6+"
```Python hl_lines="24-50"
```Python hl_lines="24-39"
{!> ../../../docs_src/schema_extra_example/tutorial004_an.py!}
```
@@ -144,7 +161,7 @@ Each specific example `dict` in the `examples` can contain:
!!! tip
Prefer to use the `Annotated` version if possible.
```Python hl_lines="19-45"
```Python hl_lines="19-34"
{!> ../../../docs_src/schema_extra_example/tutorial004_py310.py!}
```
@@ -153,7 +170,7 @@ Each specific example `dict` in the `examples` can contain:
!!! tip
Prefer to use the `Annotated` version if possible.
```Python hl_lines="21-47"
```Python hl_lines="21-36"
{!> ../../../docs_src/schema_extra_example/tutorial004.py!}
```
@@ -165,25 +182,76 @@ With `examples` added to `Body()` the `/docs` would look like:
## Technical Details
!!! tip
If you are already using **FastAPI** version **0.99.0 or above**, you can probably **skip** these details.
They are more relevant for older versions, before OpenAPI 3.1.0 was available.
You can consider this a brief OpenAPI and JSON Schema **history lesson**. 🤓
!!! warning
These are very technical details about the standards **JSON Schema** and **OpenAPI**.
If the ideas above already work for you, that might be enough, and you probably don't need these details, feel free to skip them.
When you add an example inside of a Pydantic model, using `schema_extra` or `Field(example="something")` that example is added to the **JSON Schema** for that Pydantic model.
Before OpenAPI 3.1.0, OpenAPI used an older and modified version of **JSON Schema**.
JSON Schema didn't have `examples`, so OpenAPI added it's own `example` field to its own modified version.
OpenAPI also added `example` and `examples` fields to other parts of the specification:
* <a href="https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.1.0.md#parameter-object" class="external-link" target="_blank">`Parameter Object` (in the specification)</a> that was used by FastAPI's:
* `Path()`
* `Query()`
* `Header()`
* `Cookie()`
* <a href="https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.1.0.md#media-type-object" class="external-link" target="_blank">`Request Body Object`, in the field `content`, on the `Media Type Object` (in the specification)</a> that was used by FastAPI's:
* `Body()`
* `File()`
* `Form()`
### OpenAPI's `examples` field
The shape of this field `examples` from OpenAPI is a `dict` with **multiple examples**, each with extra information that will be added to **OpenAPI** too.
The keys of the `dict` identify each example, and each value is another `dict`.
Each specific example `dict` in the `examples` can contain:
* `summary`: Short description for the example.
* `description`: A long description that can contain Markdown text.
* `value`: This is the actual example shown, e.g. a `dict`.
* `externalValue`: alternative to `value`, a URL pointing to the example. Although this might not be supported by as many tools as `value`.
This applies to those other parts of the OpenAPI specification apart from JSON Schema.
### JSON Schema's `examples` field
But then JSON Schema added an <a href="https://json-schema.org/draft/2019-09/json-schema-validation.html#rfc.section.9.5" class="external-link" target="_blank">`examples`</a> field to a new version of the specification.
And then the new OpenAPI 3.1.0 was based on the latest version (JSON Schema 2020-12) that included this new field `examples`.
And now this new `examples` field takes precedence over the old single (and custom) `example` field, that is now deprecated.
This new `examples` field in JSON Schema is **just a `list`** of examples, not a dict with extra metadata as in the other places in OpenAPI (described above).
!!! info
Even after OpenAPI 3.1.0 was released with this new simpler integration with JSON Schema, for a while, Swagger UI, the tool that provides the automatic docs, didn't support OpenAPI 3.1.0 (it does since version 5.0.0 🎉).
Because of that, versions of FastAPI previous to 0.99.0 still used versions of OpenAPI lower than 3.1.0.
### Pydantic and FastAPI `examples`
When you add `examples` inside of a Pydantic model, using `schema_extra` or `Field(examples=["something"])` that example is added to the **JSON Schema** for that Pydantic model.
And that **JSON Schema** of the Pydantic model is included in the **OpenAPI** of your API, and then it's used in the docs UI.
**JSON Schema** doesn't really have a field `example` in the standards. Recent versions of JSON Schema define a field <a href="https://json-schema.org/draft/2019-09/json-schema-validation.html#rfc.section.9.5" class="external-link" target="_blank">`examples`</a>, but OpenAPI 3.0.3 is based on an older version of JSON Schema that didn't have `examples`.
In versions of FastAPI before 0.99.0 (0.99.0 and above use the newer OpenAPI 3.1.0) when you used `example` or `examples` with any of the other utilities (`Query()`, `Body()`, etc.) those examples were not added to the JSON Schema that describes that data (not even to OpenAPI's own version of JSON Schema), they were added directly to the *path operation* declaration in OpenAPI (outside the parts of OpenAPI that use JSON Schema).
So, OpenAPI 3.0.3 defined its own <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.3.md#fixed-fields-20" class="external-link" target="_blank">`example`</a> for the modified version of **JSON Schema** it uses, for the same purpose (but it's a single `example`, not `examples`), and that's what is used by the API docs UI (using Swagger UI).
But now that FastAPI 0.99.0 and above uses OpenAPI 3.1.0, that uses JSON Schema 2020-12, and Swagger UI 5.0.0 and above, everything is more consistent and the examples are included in JSON Schema.
So, although `example` is not part of JSON Schema, it is part of OpenAPI's custom version of JSON Schema, and that's what will be used by the docs UI.
### Summary
But when you use `example` or `examples` with any of the other utilities (`Query()`, `Body()`, etc.) those examples are not added to the JSON Schema that describes that data (not even to OpenAPI's own version of JSON Schema), they are added directly to the *path operation* declaration in OpenAPI (outside the parts of OpenAPI that use JSON Schema).
I used to say I didn't like history that much... and look at me now giving "tech history" lessons. 😅
For `Path()`, `Query()`, `Header()`, and `Cookie()`, the `example` or `examples` are added to the <a href="https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.0.3.md#parameter-object" class="external-link" target="_blank">OpenAPI definition, to the `Parameter Object` (in the specification)</a>.
And for `Body()`, `File()`, and `Form()`, the `example` or `examples` are equivalently added to the <a href="https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.0.3.md#mediaTypeObject" class="external-link" target="_blank">OpenAPI definition, to the `Request Body Object`, in the field `content`, on the `Media Type Object` (in the specification)</a>.
On the other hand, there's a newer version of OpenAPI: **3.1.0**, recently released. It is based on the latest JSON Schema and most of the modifications from OpenAPI's custom version of JSON Schema are removed, in exchange of the features from the recent versions of JSON Schema, so all these small differences are reduced. Nevertheless, Swagger UI currently doesn't support OpenAPI 3.1.0, so, for now, it's better to continue using the ideas above.
In short, **upgrade to FastAPI 0.99.0 or above**, and things are much **simpler, consistent, and intuitive**, and you don't have to know all these historic details. 😎

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@@ -1,4 +1,4 @@
# Security Intro
# Security
There are many ways to handle security, authentication and authorization.

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@@ -1,5 +1,12 @@
# SQL (Relational) Databases
!!! info
These docs are about to be updated. 🎉
The current version assumes Pydantic v1, and SQLAlchemy versions less than 2.0.
The new docs will include Pydantic v2 and will use <a href="https://sqlmodel.tiangolo.com/" class="external-link" target="_blank">SQLModel</a> (which is also based on SQLAlchemy) once it is updated to use Pydantic v2 as well.
**FastAPI** doesn't require you to use a SQL (relational) database.
But you can use any relational database that you want.

228
docs/en/layouts/custom.yml Normal file
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@@ -0,0 +1,228 @@
# Copyright (c) 2016-2023 Martin Donath <martin.donath@squidfunk.com>
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
# -----------------------------------------------------------------------------
# Configuration
# -----------------------------------------------------------------------------
# The same default card with a a configurable logo
# Definitions
definitions:
# Background image
- &background_image >-
{{ layout.background_image or "" }}
# Background color (default: indigo)
- &background_color >-
{%- if layout.background_color -%}
{{ layout.background_color }}
{%- else -%}
{%- set palette = config.theme.palette or {} -%}
{%- if not palette is mapping -%}
{%- set palette = palette | first -%}
{%- endif -%}
{%- set primary = palette.get("primary", "indigo") -%}
{%- set primary = primary.replace(" ", "-") -%}
{{ {
"red": "#ef5552",
"pink": "#e92063",
"purple": "#ab47bd",
"deep-purple": "#7e56c2",
"indigo": "#4051b5",
"blue": "#2094f3",
"light-blue": "#02a6f2",
"cyan": "#00bdd6",
"teal": "#009485",
"green": "#4cae4f",
"light-green": "#8bc34b",
"lime": "#cbdc38",
"yellow": "#ffec3d",
"amber": "#ffc105",
"orange": "#ffa724",
"deep-orange": "#ff6e42",
"brown": "#795649",
"grey": "#757575",
"blue-grey": "#546d78",
"black": "#000000",
"white": "#ffffff"
}[primary] or "#4051b5" }}
{%- endif -%}
# Text color (default: white)
- &color >-
{%- if layout.color -%}
{{ layout.color }}
{%- else -%}
{%- set palette = config.theme.palette or {} -%}
{%- if not palette is mapping -%}
{%- set palette = palette | first -%}
{%- endif -%}
{%- set primary = palette.get("primary", "indigo") -%}
{%- set primary = primary.replace(" ", "-") -%}
{{ {
"red": "#ffffff",
"pink": "#ffffff",
"purple": "#ffffff",
"deep-purple": "#ffffff",
"indigo": "#ffffff",
"blue": "#ffffff",
"light-blue": "#ffffff",
"cyan": "#ffffff",
"teal": "#ffffff",
"green": "#ffffff",
"light-green": "#ffffff",
"lime": "#000000",
"yellow": "#000000",
"amber": "#000000",
"orange": "#000000",
"deep-orange": "#ffffff",
"brown": "#ffffff",
"grey": "#ffffff",
"blue-grey": "#ffffff",
"black": "#ffffff",
"white": "#000000"
}[primary] or "#ffffff" }}
{%- endif -%}
# Font family (default: Roboto)
- &font_family >-
{%- if layout.font_family -%}
{{ layout.font_family }}
{%- elif config.theme.font != false -%}
{{ config.theme.font.get("text", "Roboto") }}
{%- else -%}
Roboto
{%- endif -%}
# Site name
- &site_name >-
{{ config.site_name }}
# Page title
- &page_title >-
{{ page.meta.get("title", page.title) }}
# Page title with site name
- &page_title_with_site_name >-
{%- if not page.is_homepage -%}
{{ page.meta.get("title", page.title) }} - {{ config.site_name }}
{%- else -%}
{{ page.meta.get("title", page.title) }}
{%- endif -%}
# Page description
- &page_description >-
{{ page.meta.get("description", config.site_description) or "" }}
# Start of custom modified logic
# Logo
- &logo >-
{%- if layout.logo -%}
{{ layout.logo }}
{%- elif config.theme.logo -%}
{{ config.docs_dir }}/{{ config.theme.logo }}
{%- endif -%}
# End of custom modified logic
# Logo (icon)
- &logo_icon >-
{{ config.theme.icon.logo or "" }}
# Meta tags
tags:
# Open Graph
og:type: website
og:title: *page_title_with_site_name
og:description: *page_description
og:image: "{{ image.url }}"
og:image:type: "{{ image.type }}"
og:image:width: "{{ image.width }}"
og:image:height: "{{ image.height }}"
og:url: "{{ page.canonical_url }}"
# Twitter
twitter:card: summary_large_image
twitter.title: *page_title_with_site_name
twitter:description: *page_description
twitter:image: "{{ image.url }}"
# -----------------------------------------------------------------------------
# Specification
# -----------------------------------------------------------------------------
# Card size and layers
size: { width: 1200, height: 630 }
layers:
# Background
- background:
image: *background_image
color: *background_color
# Logo
- size: { width: 144, height: 144 }
offset: { x: 992, y: 64 }
background:
image: *logo
icon:
value: *logo_icon
color: *color
# Site name
- size: { width: 832, height: 42 }
offset: { x: 64, y: 64 }
typography:
content: *site_name
color: *color
font:
family: *font_family
style: Bold
# Page title
- size: { width: 832, height: 310 }
offset: { x: 62, y: 160 }
typography:
content: *page_title
align: start
color: *color
line:
amount: 3
height: 1.25
font:
family: *font_family
style: Bold
# Page description
- size: { width: 832, height: 64 }
offset: { x: 64, y: 512 }
typography:
content: *page_description
align: start
color: *color
line:
amount: 2
height: 1.5
font:
family: *font_family
style: Regular

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@@ -0,0 +1,7 @@
plugins:
social:
cards_layout_dir: ../en/layouts
cards_layout: custom
cards_layout_options:
logo: ../en/docs/img/icon-white.svg
typeset:

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@@ -0,0 +1,6 @@
# Define this here and not in the main mkdocs.yml file because that one is auto
# updated and written, and the script would remove the env var
INHERIT: !ENV [INSIDERS_FILE, '../en/mkdocs.no-insiders.yml']
markdown_extensions:
pymdownx.highlight:
linenums: !ENV [LINENUMS, false]

View File

@@ -1,9 +1,10 @@
INHERIT: ../en/mkdocs.maybe-insiders.yml
site_name: FastAPI
site_description: FastAPI framework, high performance, easy to learn, fast to code, ready for production
site_url: https://fastapi.tiangolo.com/
theme:
name: material
custom_dir: overrides
custom_dir: ../en/overrides
palette:
- media: '(prefers-color-scheme: light)'
scheme: default
@@ -23,6 +24,12 @@ theme:
- search.suggest
- search.highlight
- content.tabs.link
- navigation.indexes
- content.tooltips
- navigation.path
- content.code.annotate
- content.code.copy
- content.code.select
icon:
repo: fontawesome/brands/github-alt
logo: img/icon-white.svg
@@ -32,36 +39,26 @@ repo_name: tiangolo/fastapi
repo_url: https://github.com/tiangolo/fastapi
edit_uri: ''
plugins:
- search
- markdownextradata:
data: data
search: null
markdownextradata:
data: ../en/data
nav:
- FastAPI: index.md
- Languages:
- en: /
- az: /az/
- cs: /cs/
- de: /de/
- em: /em/
- es: /es/
- fa: /fa/
- fr: /fr/
- he: /he/
- hy: /hy/
- id: /id/
- it: /it/
- ja: /ja/
- ko: /ko/
- lo: /lo/
- nl: /nl/
- pl: /pl/
- pt: /pt/
- ru: /ru/
- sq: /sq/
- sv: /sv/
- ta: /ta/
- tr: /tr/
- uk: /uk/
- zh: /zh/
- features.md
- fastapi-people.md
@@ -150,6 +147,7 @@ nav:
- advanced/conditional-openapi.md
- advanced/extending-openapi.md
- advanced/openapi-callbacks.md
- advanced/openapi-webhooks.md
- advanced/wsgi.md
- advanced/generate-clients.md
- async.md
@@ -168,27 +166,28 @@ nav:
- external-links.md
- benchmarks.md
- help-fastapi.md
- newsletter.md
- contributing.md
- release-notes.md
markdown_extensions:
- toc:
toc:
permalink: true
- markdown.extensions.codehilite:
markdown.extensions.codehilite:
guess_lang: false
- mdx_include:
mdx_include:
base_path: docs
- admonition
- codehilite
- extra
- pymdownx.superfences:
admonition:
codehilite:
extra:
pymdownx.superfences:
custom_fences:
- name: mermaid
class: mermaid
format: !!python/name:pymdownx.superfences.fence_code_format ''
- pymdownx.tabbed:
pymdownx.tabbed:
alternate_style: true
- attr_list
- md_in_html
attr_list:
md_in_html:
extra:
analytics:
provider: google
@@ -211,10 +210,6 @@ extra:
alternate:
- link: /
name: en - English
- link: /az/
name: az
- link: /cs/
name: cs
- link: /de/
name: de
- link: /em/
@@ -227,36 +222,20 @@ extra:
name: fr - français
- link: /he/
name: he
- link: /hy/
name: hy
- link: /id/
name: id
- link: /it/
name: it - italiano
- link: /ja/
name: ja - 日本語
- link: /ko/
name: ko - 한국어
- link: /lo/
name: lo - ພາສາລາວ
- link: /nl/
name: nl
- link: /pl/
name: pl
- link: /pt/
name: pt - português
- link: /ru/
name: ru - русский язык
- link: /sq/
name: sq - shqip
- link: /sv/
name: sv - svenska
- link: /ta/
name: ta - தமிழ்
- link: /tr/
name: tr - Türkçe
- link: /uk/
name: uk - українська мова
- link: /zh/
name: zh - 汉语
extra_css:
@@ -265,3 +244,5 @@ extra_css:
extra_javascript:
- js/termynal.js
- js/custom.js
hooks:
- ../../scripts/mkdocs_hooks.py

View File

@@ -34,6 +34,12 @@
<img class="sponsor-image" src="/img/sponsors/platform-sh-banner.png" />
</a>
</div>
<div class="item">
<a title="Fern | SDKs and API docs" style="display: block; position: relative;" href="https://www.buildwithfern.com/?utm_source=tiangolo&utm_medium=website&utm_campaign=top-banner" target="_blank">
<span class="sponsor-badge">sponsor</span>
<img class="sponsor-image" src="/img/sponsors/fern-banner.png" />
</a>
</div>
</div>
</div>
{% endblock %}

View File

@@ -1,4 +1,4 @@
# Guía de Usuario Avanzada - Introducción
# Guía de Usuario Avanzada
## Características Adicionales

View File

@@ -1,4 +1,4 @@
# Tutorial - Guía de Usuario - Introducción
# Tutorial - Guía de Usuario
Este tutorial te muestra cómo usar **FastAPI** con la mayoría de sus características paso a paso.

View File

@@ -1,170 +1 @@
site_name: FastAPI
site_description: FastAPI framework, high performance, easy to learn, fast to code, ready for production
site_url: https://fastapi.tiangolo.com/es/
theme:
name: material
custom_dir: overrides
palette:
- media: '(prefers-color-scheme: light)'
scheme: default
primary: teal
accent: amber
toggle:
icon: material/lightbulb
name: Switch to light mode
- media: '(prefers-color-scheme: dark)'
scheme: slate
primary: teal
accent: amber
toggle:
icon: material/lightbulb-outline
name: Switch to dark mode
features:
- search.suggest
- search.highlight
- content.tabs.link
icon:
repo: fontawesome/brands/github-alt
logo: https://fastapi.tiangolo.com/img/icon-white.svg
favicon: https://fastapi.tiangolo.com/img/favicon.png
language: es
repo_name: tiangolo/fastapi
repo_url: https://github.com/tiangolo/fastapi
edit_uri: ''
plugins:
- search
- markdownextradata:
data: data
nav:
- FastAPI: index.md
- Languages:
- en: /
- az: /az/
- cs: /cs/
- de: /de/
- em: /em/
- es: /es/
- fa: /fa/
- fr: /fr/
- he: /he/
- hy: /hy/
- id: /id/
- it: /it/
- ja: /ja/
- ko: /ko/
- lo: /lo/
- nl: /nl/
- pl: /pl/
- pt: /pt/
- ru: /ru/
- sq: /sq/
- sv: /sv/
- ta: /ta/
- tr: /tr/
- uk: /uk/
- zh: /zh/
- features.md
- python-types.md
- Tutorial - Guía de Usuario:
- tutorial/index.md
- tutorial/first-steps.md
- tutorial/path-params.md
- tutorial/query-params.md
- Guía de Usuario Avanzada:
- advanced/index.md
- async.md
markdown_extensions:
- toc:
permalink: true
- markdown.extensions.codehilite:
guess_lang: false
- mdx_include:
base_path: docs
- admonition
- codehilite
- extra
- pymdownx.superfences:
custom_fences:
- name: mermaid
class: mermaid
format: !!python/name:pymdownx.superfences.fence_code_format ''
- pymdownx.tabbed:
alternate_style: true
- attr_list
- md_in_html
extra:
analytics:
provider: google
property: G-YNEVN69SC3
social:
- icon: fontawesome/brands/github-alt
link: https://github.com/tiangolo/fastapi
- icon: fontawesome/brands/discord
link: https://discord.gg/VQjSZaeJmf
- icon: fontawesome/brands/twitter
link: https://twitter.com/fastapi
- icon: fontawesome/brands/linkedin
link: https://www.linkedin.com/in/tiangolo
- icon: fontawesome/brands/dev
link: https://dev.to/tiangolo
- icon: fontawesome/brands/medium
link: https://medium.com/@tiangolo
- icon: fontawesome/solid/globe
link: https://tiangolo.com
alternate:
- link: /
name: en - English
- link: /az/
name: az
- link: /cs/
name: cs
- link: /de/
name: de
- link: /em/
name: 😉
- link: /es/
name: es - español
- link: /fa/
name: fa
- link: /fr/
name: fr - français
- link: /he/
name: he
- link: /hy/
name: hy
- link: /id/
name: id
- link: /it/
name: it - italiano
- link: /ja/
name: ja - 日本語
- link: /ko/
name: ko - 한국어
- link: /lo/
name: lo - ພາສາລາວ
- link: /nl/
name: nl
- link: /pl/
name: pl
- link: /pt/
name: pt - português
- link: /ru/
name: ru - русский язык
- link: /sq/
name: sq - shqip
- link: /sv/
name: sv - svenska
- link: /ta/
name: ta - தமிழ்
- link: /tr/
name: tr - Türkçe
- link: /uk/
name: uk - українська мова
- link: /zh/
name: zh - 汉语
extra_css:
- https://fastapi.tiangolo.com/css/termynal.css
- https://fastapi.tiangolo.com/css/custom.css
extra_javascript:
- https://fastapi.tiangolo.com/js/termynal.js
- https://fastapi.tiangolo.com/js/custom.js
INHERIT: ../en/mkdocs.yml

View File

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@@ -0,0 +1,72 @@
# زیر برنامه ها - اتصال
اگر نیاز دارید که دو برنامه مستقل FastAPI، با OpenAPI مستقل و رابط‌های کاربری اسناد خود داشته باشید، می‌توانید یک برنامه
اصلی داشته باشید و یک (یا چند) زیر برنامه را به آن متصل کنید.
## اتصال (mount) به یک برنامه **FastAPI**
کلمه "Mounting" به معنای افزودن یک برنامه کاملاً مستقل در یک مسیر خاص است، که پس از آن مدیریت همه چیز در آن مسیر، با path operations (عملیات های مسیر) اعلام شده در آن زیر برنامه می باشد.
### برنامه سطح بالا
ابتدا برنامه اصلی سطح بالا، **FastAPI** و path operations آن را ایجاد کنید:
```Python hl_lines="3 6-8"
{!../../../docs_src/sub_applications/tutorial001.py!}
```
### زیر برنامه
سپس، زیر برنامه خود و path operations آن را ایجاد کنید.
این زیر برنامه فقط یکی دیگر از برنامه های استاندارد FastAPI است، اما این برنامه ای است که متصل می شود:
```Python hl_lines="11 14-16"
{!../../../docs_src/sub_applications/tutorial001.py!}
```
### اتصال زیر برنامه
در برنامه سطح بالا `app` اتصال زیر برنامه `subapi` در این نمونه `/subapi` در مسیر قرار میدهد و میشود:
```Python hl_lines="11 19"
{!../../../docs_src/sub_applications/tutorial001.py!}
```
### اسناد API خودکار را بررسی کنید
برنامه را با استفاده از uvicorn اجرا کنید، اگر فایل شما main.py نام دارد، دستور زیر را وارد کنید:
<div class="termy">
```console
$ uvicorn main:app --reload
<span style="color: green;">INFO</span>: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
```
</div>
صفحه مستندات را در آدرس <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a> باز کنید.
اسناد API خودکار برنامه اصلی را مشاهده خواهید کرد که فقط شامل path operations خود می شود:
<img src="/img/tutorial/sub-applications/image01.png">
و سپس اسناد زیر برنامه را در آدرس <a href="http://127.0.0.1:8000/subapi/docs" class="external-link" target="_blank">http://127.0.0.1:8000/subapi/docs</a>. باز کنید.
اسناد API خودکار برای زیر برنامه را خواهید دید، که فقط شامل path operations خود می شود، همه در زیر مسیر `/subapi` قرار دارند:
<img src="/img/tutorial/sub-applications/image02.png">
اگر سعی کنید با هر یک از این دو رابط کاربری تعامل داشته باشید، آنها به درستی کار می کنند، زیرا مرورگر می تواند با هر یک از برنامه ها یا زیر برنامه های خاص صحبت کند.
### جرئیات فنی : `root_path`
هنگامی که یک زیر برنامه را همانطور که در بالا توضیح داده شد متصل می کنید, FastAPI با استفاده از مکانیزمی از مشخصات ASGI به نام `root_path` ارتباط مسیر mount را برای زیر برنامه انجام می دهد.
به این ترتیب، زیر برنامه می داند که از آن پیشوند مسیر برای رابط کاربری اسناد (docs UI) استفاده کند.
و زیر برنامه ها نیز می تواند زیر برنامه های متصل شده خود را داشته باشد و همه چیز به درستی کار کند، زیرا FastAPI تمام این مسیرهای `root_path` را به طور خودکار مدیریت می کند.
در بخش [پشت پراکسی](./behind-a-proxy.md){.internal-link target=_blank}. درباره `root_path` و نحوه استفاده درست از آن بیشتر خواهید آموخت.

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site_name: FastAPI
site_description: FastAPI framework, high performance, easy to learn, fast to code, ready for production
site_url: https://fastapi.tiangolo.com/fa/
theme:
name: material
custom_dir: overrides
palette:
- media: '(prefers-color-scheme: light)'
scheme: default
primary: teal
accent: amber
toggle:
icon: material/lightbulb
name: Switch to light mode
- media: '(prefers-color-scheme: dark)'
scheme: slate
primary: teal
accent: amber
toggle:
icon: material/lightbulb-outline
name: Switch to dark mode
features:
- search.suggest
- search.highlight
- content.tabs.link
icon:
repo: fontawesome/brands/github-alt
logo: https://fastapi.tiangolo.com/img/icon-white.svg
favicon: https://fastapi.tiangolo.com/img/favicon.png
language: fa
repo_name: tiangolo/fastapi
repo_url: https://github.com/tiangolo/fastapi
edit_uri: ''
plugins:
- search
- markdownextradata:
data: data
nav:
- FastAPI: index.md
- Languages:
- en: /
- az: /az/
- cs: /cs/
- de: /de/
- em: /em/
- es: /es/
- fa: /fa/
- fr: /fr/
- he: /he/
- hy: /hy/
- id: /id/
- it: /it/
- ja: /ja/
- ko: /ko/
- lo: /lo/
- nl: /nl/
- pl: /pl/
- pt: /pt/
- ru: /ru/
- sq: /sq/
- sv: /sv/
- ta: /ta/
- tr: /tr/
- uk: /uk/
- zh: /zh/
markdown_extensions:
- toc:
permalink: true
- markdown.extensions.codehilite:
guess_lang: false
- mdx_include:
base_path: docs
- admonition
- codehilite
- extra
- pymdownx.superfences:
custom_fences:
- name: mermaid
class: mermaid
format: !!python/name:pymdownx.superfences.fence_code_format ''
- pymdownx.tabbed:
alternate_style: true
- attr_list
- md_in_html
extra:
analytics:
provider: google
property: G-YNEVN69SC3
social:
- icon: fontawesome/brands/github-alt
link: https://github.com/tiangolo/fastapi
- icon: fontawesome/brands/discord
link: https://discord.gg/VQjSZaeJmf
- icon: fontawesome/brands/twitter
link: https://twitter.com/fastapi
- icon: fontawesome/brands/linkedin
link: https://www.linkedin.com/in/tiangolo
- icon: fontawesome/brands/dev
link: https://dev.to/tiangolo
- icon: fontawesome/brands/medium
link: https://medium.com/@tiangolo
- icon: fontawesome/solid/globe
link: https://tiangolo.com
alternate:
- link: /
name: en - English
- link: /az/
name: az
- link: /cs/
name: cs
- link: /de/
name: de
- link: /em/
name: 😉
- link: /es/
name: es - español
- link: /fa/
name: fa
- link: /fr/
name: fr - français
- link: /he/
name: he
- link: /hy/
name: hy
- link: /id/
name: id
- link: /it/
name: it - italiano
- link: /ja/
name: ja - 日本語
- link: /ko/
name: ko - 한국어
- link: /lo/
name: lo - ພາສາລາວ
- link: /nl/
name: nl
- link: /pl/
name: pl
- link: /pt/
name: pt - português
- link: /ru/
name: ru - русский язык
- link: /sq/
name: sq - shqip
- link: /sv/
name: sv - svenska
- link: /ta/
name: ta - தமிழ்
- link: /tr/
name: tr - Türkçe
- link: /uk/
name: uk - українська мова
- link: /zh/
name: zh - 汉语
extra_css:
- https://fastapi.tiangolo.com/css/termynal.css
- https://fastapi.tiangolo.com/css/custom.css
extra_javascript:
- https://fastapi.tiangolo.com/js/termynal.js
- https://fastapi.tiangolo.com/js/custom.js
INHERIT: ../en/mkdocs.yml

View File

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@@ -1,4 +1,4 @@
# Guide de l'utilisateur avancé - Introduction
# Guide de l'utilisateur avancé
## Caractéristiques supplémentaires

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@@ -0,0 +1,34 @@
# Test de performance
Les tests de performance de TechEmpower montrent que les applications **FastAPI** tournant sous Uvicorn comme <a href="https://www.techempower.com/benchmarks/#section=test&runid=7464e520-0dc2-473d-bd34-dbdfd7e85911&hw=ph&test=query&l=zijzen-7" class="external-link" target="_blank">étant l'un des frameworks Python les plus rapides disponibles</a>, seulement inférieur à Starlette et Uvicorn (tous deux utilisés au cœur de FastAPI). (*)
Mais en prêtant attention aux tests de performance et aux comparaisons, il faut tenir compte de ce qu'il suit.
## Tests de performance et rapidité
Lorsque vous vérifiez les tests de performance, il est commun de voir plusieurs outils de différents types comparés comme équivalents.
En particulier, on voit Uvicorn, Starlette et FastAPI comparés (parmi de nombreux autres outils).
Plus le problème résolu par un outil est simple, mieux seront les performances obtenues. Et la plupart des tests de performance ne prennent pas en compte les fonctionnalités additionnelles fournies par les outils.
La hiérarchie est la suivante :
* **Uvicorn** : un serveur ASGI
* **Starlette** : (utilise Uvicorn) un micro-framework web
* **FastAPI**: (utilise Starlette) un micro-framework pour API disposant de fonctionnalités additionnelles pour la création d'API, avec la validation des données, etc.
* **Uvicorn** :
* A les meilleures performances, étant donné qu'il n'a pas beaucoup de code mis-à-part le serveur en lui-même.
* On n'écrit pas une application avec uniquement Uvicorn. Cela signifie que le code devrait inclure plus ou moins, au minimum, tout le code offert par Starlette (ou **FastAPI**). Et si on fait cela, l'application finale apportera les mêmes complications que si on avait utilisé un framework et que l'on avait minimisé la quantité de code et de bugs.
* Si on compare Uvicorn, il faut le comparer à d'autre applications de serveurs comme Daphne, Hypercorn, uWSGI, etc.
* **Starlette** :
* A les seconde meilleures performances après Uvicorn. Starlette utilise en réalité Uvicorn. De ce fait, il ne peut quêtre plus "lent" qu'Uvicorn car il requiert l'exécution de plus de code.
* Cependant il nous apporte les outils pour construire une application web simple, avec un routage basé sur des chemins, etc.
* Si on compare Starlette, il faut le comparer à d'autres frameworks web (ou micorframework) comme Sanic, Flask, Django, etc.
* **FastAPI** :
* Comme Starlette, FastAPI utilise Uvicorn et ne peut donc pas être plus rapide que ce dernier.
* FastAPI apporte des fonctionnalités supplémentaires à Starlette. Des fonctionnalités qui sont nécessaires presque systématiquement lors de la création d'une API, comme la validation des données, la sérialisation. En utilisant FastAPI, on obtient une documentation automatiquement (qui ne requiert aucune manipulation pour être mise en place).
* Si on n'utilisait pas FastAPI mais directement Starlette (ou un outil équivalent comme Sanic, Flask, Responder, etc) il faudrait implémenter la validation des données et la sérialisation par nous-même. Le résultat serait donc le même dans les deux cas mais du travail supplémentaire serait à réaliser avec Starlette, surtout en considérant que la validation des données et la sérialisation représentent la plus grande quantité de code à écrire dans une application.
* De ce fait, en utilisant FastAPI on minimise le temps de développement, les bugs, le nombre de lignes de code, et on obtient les mêmes performances (si ce n'est de meilleurs performances) que l'on aurait pu avoir sans ce framework (en ayant à implémenter de nombreuses fonctionnalités importantes par nous-mêmes).
* Si on compare FastAPI, il faut le comparer à d'autres frameworks web (ou ensemble d'outils) qui fournissent la validation des données, la sérialisation et la documentation, comme Flask-apispec, NestJS, Molten, etc.

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@@ -0,0 +1,501 @@
# Développement - Contribuer
Tout d'abord, vous voudrez peut-être voir les moyens de base pour [aider FastAPI et obtenir de l'aide](help-fastapi.md){.internal-link target=_blank}.
## Développement
Si vous avez déjà cloné le dépôt et que vous savez que vous devez vous plonger dans le code, voici quelques directives pour mettre en place votre environnement.
### Environnement virtuel avec `venv`
Vous pouvez créer un environnement virtuel dans un répertoire en utilisant le module `venv` de Python :
<div class="termy">
```console
$ python -m venv env
```
</div>
Cela va créer un répertoire `./env/` avec les binaires Python et vous pourrez alors installer des paquets pour cet environnement isolé.
### Activer l'environnement
Activez le nouvel environnement avec :
=== "Linux, macOS"
<div class="termy">
```console
$ source ./env/bin/activate
```
</div>
=== "Windows PowerShell"
<div class="termy">
```console
$ .\env\Scripts\Activate.ps1
```
</div>
=== "Windows Bash"
Ou si vous utilisez Bash pour Windows (par exemple <a href="https://gitforwindows.org/" class="external-link" target="_blank">Git Bash</a>):
<div class="termy">
```console
$ source ./env/Scripts/activate
```
</div>
Pour vérifier que cela a fonctionné, utilisez :
=== "Linux, macOS, Windows Bash"
<div class="termy">
```console
$ which pip
some/directory/fastapi/env/bin/pip
```
</div>
=== "Windows PowerShell"
<div class="termy">
```console
$ Get-Command pip
some/directory/fastapi/env/bin/pip
```
</div>
Si celui-ci montre le binaire `pip` à `env/bin/pip`, alors ça a fonctionné. 🎉
!!! tip
Chaque fois que vous installez un nouveau paquet avec `pip` sous cet environnement, activez à nouveau l'environnement.
Cela permet de s'assurer que si vous utilisez un programme terminal installé par ce paquet (comme `flit`), vous utilisez celui de votre environnement local et pas un autre qui pourrait être installé globalement.
### Flit
**FastAPI** utilise <a href="https://flit.readthedocs.io/en/latest/index.html" class="external-link" target="_blank">Flit</a> pour build, packager et publier le projet.
Après avoir activé l'environnement comme décrit ci-dessus, installez `flit` :
<div class="termy">
```console
$ pip install flit
---> 100%
```
</div>
Réactivez maintenant l'environnement pour vous assurer que vous utilisez le "flit" que vous venez d'installer (et non un environnement global).
Et maintenant, utilisez `flit` pour installer les dépendances de développement :
=== "Linux, macOS"
<div class="termy">
```console
$ flit install --deps develop --symlink
---> 100%
```
</div>
=== "Windows"
Si vous êtes sous Windows, utilisez `--pth-file` au lieu de `--symlink` :
<div class="termy">
```console
$ flit install --deps develop --pth-file
---> 100%
```
</div>
Il installera toutes les dépendances et votre FastAPI local dans votre environnement local.
#### Utiliser votre FastAPI local
Si vous créez un fichier Python qui importe et utilise FastAPI, et que vous l'exécutez avec le Python de votre environnement local, il utilisera votre code source FastAPI local.
Et si vous mettez à jour le code source local de FastAPI, tel qu'il est installé avec `--symlink` (ou `--pth-file` sous Windows), lorsque vous exécutez à nouveau ce fichier Python, il utilisera la nouvelle version de FastAPI que vous venez d'éditer.
De cette façon, vous n'avez pas à "installer" votre version locale pour pouvoir tester chaque changement.
### Formatage
Il existe un script que vous pouvez exécuter qui formatera et nettoiera tout votre code :
<div class="termy">
```console
$ bash scripts/format.sh
```
</div>
Il effectuera également un tri automatique de touts vos imports.
Pour qu'il puisse les trier correctement, vous devez avoir FastAPI installé localement dans votre environnement, avec la commande dans la section ci-dessus en utilisant `--symlink` (ou `--pth-file` sous Windows).
### Formatage des imports
Il existe un autre script qui permet de formater touts les imports et de s'assurer que vous n'avez pas d'imports inutilisés :
<div class="termy">
```console
$ bash scripts/format-imports.sh
```
</div>
Comme il exécute une commande après l'autre et modifie et inverse de nombreux fichiers, il prend un peu plus de temps à s'exécuter, il pourrait donc être plus facile d'utiliser fréquemment `scripts/format.sh` et `scripts/format-imports.sh` seulement avant de commit.
## Documentation
Tout d'abord, assurez-vous que vous configurez votre environnement comme décrit ci-dessus, qui installera toutes les exigences.
La documentation utilise <a href="https://www.mkdocs.org/" class="external-link" target="_blank">MkDocs</a>.
Et il y a des outils/scripts supplémentaires en place pour gérer les traductions dans `./scripts/docs.py`.
!!! tip
Vous n'avez pas besoin de voir le code dans `./scripts/docs.py`, vous l'utilisez simplement dans la ligne de commande.
Toute la documentation est au format Markdown dans le répertoire `./docs/fr/`.
De nombreux tutoriels comportent des blocs de code.
Dans la plupart des cas, ces blocs de code sont de véritables applications complètes qui peuvent être exécutées telles quelles.
En fait, ces blocs de code ne sont pas écrits à l'intérieur du Markdown, ce sont des fichiers Python dans le répertoire `./docs_src/`.
Et ces fichiers Python sont inclus/injectés dans la documentation lors de la génération du site.
### Documentation pour les tests
La plupart des tests sont en fait effectués par rapport aux exemples de fichiers sources dans la documentation.
Cela permet de s'assurer que :
* La documentation est à jour.
* Les exemples de documentation peuvent être exécutés tels quels.
* La plupart des fonctionnalités sont couvertes par la documentation, assurées par la couverture des tests.
Au cours du développement local, un script build le site et vérifie les changements éventuels, puis il est rechargé en direct :
<div class="termy">
```console
$ python ./scripts/docs.py live
<span style="color: green;">[INFO]</span> Serving on http://127.0.0.1:8008
<span style="color: green;">[INFO]</span> Start watching changes
<span style="color: green;">[INFO]</span> Start detecting changes
```
</div>
Il servira la documentation sur `http://127.0.0.1:8008`.
De cette façon, vous pouvez modifier la documentation/les fichiers sources et voir les changements en direct.
#### Typer CLI (facultatif)
Les instructions ici vous montrent comment utiliser le script à `./scripts/docs.py` avec le programme `python` directement.
Mais vous pouvez également utiliser <a href="https://typer.tiangolo.com/typer-cli/" class="external-link" target="_blank">Typer CLI</a>, et vous obtiendrez l'auto-complétion dans votre terminal pour les commandes après l'achèvement de l'installation.
Si vous installez Typer CLI, vous pouvez installer la complétion avec :
<div class="termy">
```console
$ typer --install-completion
zsh completion installed in /home/user/.bashrc.
Completion will take effect once you restart the terminal.
```
</div>
### Apps et documentation en même temps
Si vous exécutez les exemples avec, par exemple :
<div class="termy">
```console
$ uvicorn tutorial001:app --reload
<span style="color: green;">INFO</span>: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
```
</div>
Comme Uvicorn utilisera par défaut le port `8000`, la documentation sur le port `8008` n'entrera pas en conflit.
### Traductions
L'aide aux traductions est TRÈS appréciée ! Et cela ne peut se faire sans l'aide de la communauté. 🌎 🚀
Voici les étapes à suivre pour aider à la traduction.
#### Conseils et lignes directrices
* Vérifiez les <a href="https://github.com/tiangolo/fastapi/pulls" class="external-link" target="_blank">pull requests existantes</a> pour votre langue et ajouter des reviews demandant des changements ou les approuvant.
!!! tip
Vous pouvez <a href="https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/commenting-on-a-pull-request" class="external-link" target="_blank">ajouter des commentaires avec des suggestions de changement</a> aux pull requests existantes.
Consultez les documents concernant <a href="https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/about-pull-request-reviews" class="external-link" target="_blank">l'ajout d'un review de pull request</a> pour l'approuver ou demander des modifications.
* Vérifiez dans <a href="https://github.com/tiangolo/fastapi/issues" class="external-link" target="_blank">issues</a> pour voir s'il y a une personne qui coordonne les traductions pour votre langue.
* Ajoutez une seule pull request par page traduite. Il sera ainsi beaucoup plus facile pour les autres de l'examiner.
Pour les langues que je ne parle pas, je vais attendre plusieurs autres reviews de la traduction avant de merge.
* Vous pouvez également vérifier s'il existe des traductions pour votre langue et y ajouter une review, ce qui m'aidera à savoir si la traduction est correcte et je pourrai la fusionner.
* Utilisez les mêmes exemples en Python et ne traduisez que le texte des documents. Vous n'avez pas besoin de changer quoi que ce soit pour que cela fonctionne.
* Utilisez les mêmes images, noms de fichiers et liens. Vous n'avez pas besoin de changer quoi que ce soit pour que cela fonctionne.
* Pour vérifier le code à 2 lettres de la langue que vous souhaitez traduire, vous pouvez utiliser le tableau <a href="https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes" class="external-link" target="_blank">Liste des codes ISO 639-1</a>.
#### Langue existante
Disons que vous voulez traduire une page pour une langue qui a déjà des traductions pour certaines pages, comme l'espagnol.
Dans le cas de l'espagnol, le code à deux lettres est `es`. Ainsi, le répertoire des traductions espagnoles se trouve à l'adresse `docs/es/`.
!!! tip
La langue principale ("officielle") est l'anglais, qui se trouve à l'adresse "docs/en/".
Maintenant, lancez le serveur en live pour les documents en espagnol :
<div class="termy">
```console
// Use the command "live" and pass the language code as a CLI argument
$ python ./scripts/docs.py live es
<span style="color: green;">[INFO]</span> Serving on http://127.0.0.1:8008
<span style="color: green;">[INFO]</span> Start watching changes
<span style="color: green;">[INFO]</span> Start detecting changes
```
</div>
Vous pouvez maintenant aller sur <a href="http://127.0.0.1:8008" class="external-link" target="_blank">http://127.0.0.1:8008</a> et voir vos changements en direct.
Si vous regardez le site web FastAPI docs, vous verrez que chaque langue a toutes les pages. Mais certaines pages ne sont pas traduites et sont accompagnées d'une notification concernant la traduction manquante.
Mais si vous le gérez localement de cette manière, vous ne verrez que les pages déjà traduites.
Disons maintenant que vous voulez ajouter une traduction pour la section [Features](features.md){.internal-link target=_blank}.
* Copiez le fichier à :
```
docs/en/docs/features.md
```
* Collez-le exactement au même endroit mais pour la langue que vous voulez traduire, par exemple :
```
docs/es/docs/features.md
```
!!! tip
Notez que le seul changement dans le chemin et le nom du fichier est le code de langue, qui passe de `en` à `es`.
* Ouvrez maintenant le fichier de configuration de MkDocs pour l'anglais à
```
docs/en/docs/mkdocs.yml
```
* Trouvez l'endroit où cette `docs/features.md` se trouve dans le fichier de configuration. Quelque part comme :
```YAML hl_lines="8"
site_name: FastAPI
# More stuff
nav:
- FastAPI: index.md
- Languages:
- en: /
- es: /es/
- features.md
```
* Ouvrez le fichier de configuration MkDocs pour la langue que vous éditez, par exemple :
```
docs/es/docs/mkdocs.yml
```
* Ajoutez-le à l'endroit exact où il se trouvait pour l'anglais, par exemple :
```YAML hl_lines="8"
site_name: FastAPI
# More stuff
nav:
- FastAPI: index.md
- Languages:
- en: /
- es: /es/
- features.md
```
Assurez-vous que s'il y a d'autres entrées, la nouvelle entrée avec votre traduction est exactement dans le même ordre que dans la version anglaise.
Si vous allez sur votre navigateur, vous verrez que maintenant les documents montrent votre nouvelle section. 🎉
Vous pouvez maintenant tout traduire et voir à quoi cela ressemble au fur et à mesure que vous enregistrez le fichier.
#### Nouvelle langue
Disons que vous voulez ajouter des traductions pour une langue qui n'est pas encore traduite, pas même quelques pages.
Disons que vous voulez ajouter des traductions pour le Créole, et que ce n'est pas encore dans les documents.
En vérifiant le lien ci-dessus, le code pour "Créole" est `ht`.
L'étape suivante consiste à exécuter le script pour générer un nouveau répertoire de traduction :
<div class="termy">
```console
// Use the command new-lang, pass the language code as a CLI argument
$ python ./scripts/docs.py new-lang ht
Successfully initialized: docs/ht
Updating ht
Updating en
```
</div>
Vous pouvez maintenant vérifier dans votre éditeur de code le répertoire nouvellement créé `docs/ht/`.
!!! tip
Créez une première demande d'extraction à l'aide de cette fonction, afin de configurer la nouvelle langue avant d'ajouter des traductions.
Ainsi, d'autres personnes peuvent vous aider à rédiger d'autres pages pendant que vous travaillez sur la première. 🚀
Commencez par traduire la page principale, `docs/ht/index.md`.
Vous pouvez ensuite continuer avec les instructions précédentes, pour une "langue existante".
##### Nouvelle langue non prise en charge
Si, lors de l'exécution du script du serveur en direct, vous obtenez une erreur indiquant que la langue n'est pas prise en charge, quelque chose comme :
```
raise TemplateNotFound(template)
jinja2.exceptions.TemplateNotFound: partials/language/xx.html
```
Cela signifie que le thème ne supporte pas cette langue (dans ce cas, avec un faux code de 2 lettres de `xx`).
Mais ne vous inquiétez pas, vous pouvez définir la langue du thème en anglais et ensuite traduire le contenu des documents.
Si vous avez besoin de faire cela, modifiez le fichier `mkdocs.yml` pour votre nouvelle langue, il aura quelque chose comme :
```YAML hl_lines="5"
site_name: FastAPI
# More stuff
theme:
# More stuff
language: xx
```
Changez cette langue de `xx` (de votre code de langue) à `fr`.
Vous pouvez ensuite relancer le serveur live.
#### Prévisualisez le résultat
Lorsque vous utilisez le script à `./scripts/docs.py` avec la commande `live`, il n'affiche que les fichiers et les traductions disponibles pour la langue courante.
Mais une fois que vous avez terminé, vous pouvez tester le tout comme il le ferait en ligne.
Pour ce faire, il faut d'abord construire tous les documents :
<div class="termy">
```console
// Use the command "build-all", this will take a bit
$ python ./scripts/docs.py build-all
Updating es
Updating en
Building docs for: en
Building docs for: es
Successfully built docs for: es
Copying en index.md to README.md
```
</div>
Cela génère tous les documents à `./docs_build/` pour chaque langue. Cela inclut l'ajout de tout fichier dont la traduction est manquante, avec une note disant que "ce fichier n'a pas encore de traduction". Mais vous n'avez rien à faire avec ce répertoire.
Ensuite, il construit tous ces sites MkDocs indépendants pour chaque langue, les combine, et génère le résultat final à `./site/`.
Ensuite, vous pouvez servir cela avec le commandement `serve`:
<div class="termy">
```console
// Use the command "serve" after running "build-all"
$ python ./scripts/docs.py serve
Warning: this is a very simple server. For development, use mkdocs serve instead.
This is here only to preview a site with translations already built.
Make sure you run the build-all command first.
Serving at: http://127.0.0.1:8008
```
</div>
## Tests
Il existe un script que vous pouvez exécuter localement pour tester tout le code et générer des rapports de couverture en HTML :
<div class="termy">
```console
$ bash scripts/test-cov-html.sh
```
</div>
Cette commande génère un répertoire `./htmlcov/`, si vous ouvrez le fichier `./htmlcov/index.html` dans votre navigateur, vous pouvez explorer interactivement les régions de code qui sont couvertes par les tests, et remarquer s'il y a une région manquante.

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@@ -1,4 +1,4 @@
# Déploiement - Intro
# Déploiement
Le déploiement d'une application **FastAPI** est relativement simple.

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# Tutoriel - Guide utilisateur - Introduction
Ce tutoriel vous montre comment utiliser **FastAPI** avec la plupart de ses fonctionnalités, étape par étape.
Chaque section s'appuie progressivement sur les précédentes, mais elle est structurée de manière à séparer les sujets, afin que vous puissiez aller directement à l'un d'entre eux pour résoudre vos besoins spécifiques en matière d'API.
Il est également conçu pour fonctionner comme une référence future.
Vous pouvez donc revenir et voir exactement ce dont vous avez besoin.
## Exécuter le code
Tous les blocs de code peuvent être copiés et utilisés directement (il s'agit en fait de fichiers Python testés).
Pour exécuter l'un de ces exemples, copiez le code dans un fichier `main.py`, et commencez `uvicorn` avec :
<div class="termy">
```console
$ uvicorn main:app --reload
<span style="color: green;">INFO</span>: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
<span style="color: green;">INFO</span>: Started reloader process [28720]
<span style="color: green;">INFO</span>: Started server process [28722]
<span style="color: green;">INFO</span>: Waiting for application startup.
<span style="color: green;">INFO</span>: Application startup complete.
```
</div>
Il est **FORTEMENT encouragé** que vous écriviez ou copiez le code, l'éditiez et l'exécutiez localement.
L'utiliser dans votre éditeur est ce qui vous montre vraiment les avantages de FastAPI, en voyant le peu de code que vous avez à écrire, toutes les vérifications de type, l'autocomplétion, etc.
---
## Installer FastAPI
La première étape consiste à installer FastAPI.
Pour le tutoriel, vous voudrez peut-être l'installer avec toutes les dépendances et fonctionnalités optionnelles :
<div class="termy">
```console
$ pip install fastapi[all]
---> 100%
```
</div>
... qui comprend également `uvicorn`, que vous pouvez utiliser comme serveur pour exécuter votre code.
!!! note
Vous pouvez également l'installer pièce par pièce.
C'est ce que vous feriez probablement une fois que vous voudrez déployer votre application en production :
```
pip install fastapi
```
Installez également `uvicorn` pour qu'il fonctionne comme serveur :
```
pip install uvicorn
```
Et la même chose pour chacune des dépendances facultatives que vous voulez utiliser.
## Guide utilisateur avancé
Il existe également un **Guide d'utilisation avancé** que vous pouvez lire plus tard après ce **Tutoriel - Guide d'utilisation**.
Le **Guide d'utilisation avancé**, qui s'appuie sur cette base, utilise les mêmes concepts et vous apprend quelques fonctionnalités supplémentaires.
Mais vous devez d'abord lire le **Tutoriel - Guide d'utilisation** (ce que vous êtes en train de lire en ce moment).
Il est conçu pour que vous puissiez construire une application complète avec seulement le **Tutoriel - Guide d'utilisation**, puis l'étendre de différentes manières, en fonction de vos besoins, en utilisant certaines des idées supplémentaires du **Guide d'utilisation avancé**.

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# Paramètres de requête et validations de chaînes de caractères
**FastAPI** vous permet de déclarer des informations et des validateurs additionnels pour vos paramètres de requêtes.
Commençons avec cette application pour exemple :
```Python hl_lines="9"
{!../../../docs_src/query_params_str_validations/tutorial001.py!}
```
Le paramètre de requête `q` a pour type `Union[str, None]` (ou `str | None` en Python 3.10), signifiant qu'il est de type `str` mais pourrait aussi être égal à `None`, et bien sûr, la valeur par défaut est `None`, donc **FastAPI** saura qu'il n'est pas requis.
!!! note
**FastAPI** saura que la valeur de `q` n'est pas requise grâce à la valeur par défaut `= None`.
Le `Union` dans `Union[str, None]` permettra à votre éditeur de vous offrir un meilleur support et de détecter les erreurs.
## Validation additionnelle
Nous allons imposer que bien que `q` soit un paramètre optionnel, dès qu'il est fourni, **sa longueur n'excède pas 50 caractères**.
## Importer `Query`
Pour cela, importez d'abord `Query` depuis `fastapi` :
```Python hl_lines="3"
{!../../../docs_src/query_params_str_validations/tutorial002.py!}
```
## Utiliser `Query` comme valeur par défaut
Construisez ensuite la valeur par défaut de votre paramètre avec `Query`, en choisissant 50 comme `max_length` :
```Python hl_lines="9"
{!../../../docs_src/query_params_str_validations/tutorial002.py!}
```
Comme nous devons remplacer la valeur par défaut `None` dans la fonction par `Query()`, nous pouvons maintenant définir la valeur par défaut avec le paramètre `Query(default=None)`, il sert le même objectif qui est de définir cette valeur par défaut.
Donc :
```Python
q: Union[str, None] = Query(default=None)
```
... rend le paramètre optionnel, et est donc équivalent à :
```Python
q: Union[str, None] = None
```
Mais déclare explicitement `q` comme étant un paramètre de requête.
!!! info
Gardez à l'esprit que la partie la plus importante pour rendre un paramètre optionnel est :
```Python
= None
```
ou :
```Python
= Query(None)
```
et utilisera ce `None` pour détecter que ce paramètre de requête **n'est pas requis**.
Le `Union[str, None]` est uniquement là pour permettre à votre éditeur un meilleur support.
Ensuite, nous pouvons passer d'autres paramètres à `Query`. Dans cet exemple, le paramètre `max_length` qui s'applique aux chaînes de caractères :
```Python
q: Union[str, None] = Query(default=None, max_length=50)
```
Cela va valider les données, montrer une erreur claire si ces dernières ne sont pas valides, et documenter le paramètre dans le schéma `OpenAPI` de cette *path operation*.
## Rajouter plus de validation
Vous pouvez aussi rajouter un second paramètre `min_length` :
```Python hl_lines="9"
{!../../../docs_src/query_params_str_validations/tutorial003.py!}
```
## Ajouter des validations par expressions régulières
On peut définir une <abbr title="Une expression régulière, regex ou regexp est une suite de caractères qui définit un pattern de correspondance pour les chaînes de caractères.">expression régulière</abbr> à laquelle le paramètre doit correspondre :
```Python hl_lines="10"
{!../../../docs_src/query_params_str_validations/tutorial004.py!}
```
Cette expression régulière vérifie que la valeur passée comme paramètre :
* `^` : commence avec les caractères qui suivent, avec aucun caractère avant ceux-là.
* `fixedquery` : a pour valeur exacte `fixedquery`.
* `$` : se termine directement ensuite, n'a pas d'autres caractères après `fixedquery`.
Si vous vous sentez perdu avec le concept d'**expression régulière**, pas d'inquiétudes. Il s'agit d'une notion difficile pour beaucoup, et l'on peut déjà réussir à faire beaucoup sans jamais avoir à les manipuler.
Mais si vous décidez d'apprendre à les utiliser, sachez qu'ensuite vous pouvez les utiliser directement dans **FastAPI**.
## Valeurs par défaut
De la même façon que vous pouvez passer `None` comme premier argument pour l'utiliser comme valeur par défaut, vous pouvez passer d'autres valeurs.
Disons que vous déclarez le paramètre `q` comme ayant une longueur minimale de `3`, et une valeur par défaut étant `"fixedquery"` :
```Python hl_lines="7"
{!../../../docs_src/query_params_str_validations/tutorial005.py!}
```
!!! note "Rappel"
Avoir une valeur par défaut rend le paramètre optionnel.
## Rendre ce paramètre requis
Quand on ne déclare ni validation, ni métadonnée, on peut rendre le paramètre `q` requis en ne lui déclarant juste aucune valeur par défaut :
```Python
q: str
```
à la place de :
```Python
q: Union[str, None] = None
```
Mais maintenant, on déclare `q` avec `Query`, comme ceci :
```Python
q: Union[str, None] = Query(default=None, min_length=3)
```
Donc pour déclarer une valeur comme requise tout en utilisant `Query`, il faut utiliser `...` comme premier argument :
```Python hl_lines="7"
{!../../../docs_src/query_params_str_validations/tutorial006.py!}
```
!!! info
Si vous n'avez jamais vu ce `...` auparavant : c'est une des constantes natives de Python <a href="https://docs.python.org/fr/3/library/constants.html#Ellipsis" class="external-link" target="_blank">appelée "Ellipsis"</a>.
Cela indiquera à **FastAPI** que la présence de ce paramètre est obligatoire.
## Liste de paramètres / valeurs multiples via Query
Quand on définit un paramètre de requête explicitement avec `Query` on peut aussi déclarer qu'il reçoit une liste de valeur, ou des "valeurs multiples".
Par exemple, pour déclarer un paramètre de requête `q` qui peut apparaître plusieurs fois dans une URL, on écrit :
```Python hl_lines="9"
{!../../../docs_src/query_params_str_validations/tutorial011.py!}
```
Ce qui fait qu'avec une URL comme :
```
http://localhost:8000/items/?q=foo&q=bar
```
vous recevriez les valeurs des multiples paramètres de requête `q` (`foo` et `bar`) dans une `list` Python au sein de votre fonction de **path operation**, dans le paramètre de fonction `q`.
Donc la réponse de cette URL serait :
```JSON
{
"q": [
"foo",
"bar"
]
}
```
!!! tip "Astuce"
Pour déclarer un paramètre de requête de type `list`, comme dans l'exemple ci-dessus, il faut explicitement utiliser `Query`, sinon cela sera interprété comme faisant partie du corps de la requête.
La documentation sera donc mise à jour automatiquement pour autoriser plusieurs valeurs :
<img src="/img/tutorial/query-params-str-validations/image02.png">
### Combiner liste de paramètres et valeurs par défaut
Et l'on peut aussi définir une liste de valeurs par défaut si aucune n'est fournie :
```Python hl_lines="9"
{!../../../docs_src/query_params_str_validations/tutorial012.py!}
```
Si vous allez à :
```
http://localhost:8000/items/
```
la valeur par défaut de `q` sera : `["foo", "bar"]`
et la réponse sera :
```JSON
{
"q": [
"foo",
"bar"
]
}
```
#### Utiliser `list`
Il est aussi possible d'utiliser directement `list` plutôt que `List[str]` :
```Python hl_lines="7"
{!../../../docs_src/query_params_str_validations/tutorial013.py!}
```
!!! note
Dans ce cas-là, **FastAPI** ne vérifiera pas le contenu de la liste.
Par exemple, `List[int]` vérifiera (et documentera) que la liste est bien entièrement composée d'entiers. Alors qu'un simple `list` ne ferait pas cette vérification.
## Déclarer des métadonnées supplémentaires
On peut aussi ajouter plus d'informations sur le paramètre.
Ces informations seront incluses dans le schéma `OpenAPI` généré et utilisées par la documentation interactive ou les outils externes utilisés.
!!! note
Gardez en tête que les outils externes utilisés ne supportent pas forcément tous parfaitement OpenAPI.
Il se peut donc que certains d'entre eux n'utilisent pas toutes les métadonnées que vous avez déclarées pour le moment, bien que dans la plupart des cas, les fonctionnalités manquantes ont prévu d'être implémentées.
Vous pouvez ajouter un `title` :
```Python hl_lines="10"
{!../../../docs_src/query_params_str_validations/tutorial007.py!}
```
Et une `description` :
```Python hl_lines="13"
{!../../../docs_src/query_params_str_validations/tutorial008.py!}
```
## Alias de paramètres
Imaginez que vous vouliez que votre paramètre se nomme `item-query`.
Comme dans la requête :
```
http://127.0.0.1:8000/items/?item-query=foobaritems
```
Mais `item-query` n'est pas un nom de variable valide en Python.
Le nom le plus proche serait `item_query`.
Mais vous avez vraiment envie que ce soit exactement `item-query`...
Pour cela vous pouvez déclarer un `alias`, et cet alias est ce qui sera utilisé pour trouver la valeur du paramètre :
```Python hl_lines="9"
{!../../../docs_src/query_params_str_validations/tutorial009.py!}
```
## Déprécier des paramètres
Disons que vous ne vouliez plus utiliser ce paramètre désormais.
Il faut qu'il continue à exister pendant un certain temps car vos clients l'utilisent, mais vous voulez que la documentation mentionne clairement que ce paramètre est <abbr title="obsolète, recommandé de ne pas l'utiliser">déprécié</abbr>.
On utilise alors l'argument `deprecated=True` de `Query` :
```Python hl_lines="18"
{!../../../docs_src/query_params_str_validations/tutorial010.py!}
```
La documentation le présentera comme il suit :
<img src="/img/tutorial/query-params-str-validations/image01.png">
## Pour résumer
Il est possible d'ajouter des validateurs et métadonnées pour vos paramètres.
Validateurs et métadonnées génériques:
* `alias`
* `title`
* `description`
* `deprecated`
Validateurs spécifiques aux chaînes de caractères :
* `min_length`
* `max_length`
* `regex`
Parmi ces exemples, vous avez pu voir comment déclarer des validateurs pour les chaînes de caractères.
Dans les prochains chapitres, vous verrez comment déclarer des validateurs pour d'autres types, comme les nombres.

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@@ -1,189 +1 @@
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site_description: FastAPI framework, high performance, easy to learn, fast to code, ready for production
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@@ -1,467 +0,0 @@
{!../../../docs/missing-translation.md!}
<p align="center">
<a href="https://fastapi.tiangolo.com"><img src="https://fastapi.tiangolo.com/img/logo-margin/logo-teal.png" alt="FastAPI"></a>
</p>
<p align="center">
<em>FastAPI framework, high performance, easy to learn, fast to code, ready for production</em>
</p>
<p align="center">
<a href="https://github.com/tiangolo/fastapi/actions?query=workflow%3ATest+event%3Apush+branch%3Amaster" target="_blank">
<img src="https://github.com/tiangolo/fastapi/workflows/Test/badge.svg?event=push&branch=master" alt="Test">
</a>
<a href="https://coverage-badge.samuelcolvin.workers.dev/redirect/tiangolo/fastapi" target="_blank">
<img src="https://coverage-badge.samuelcolvin.workers.dev/tiangolo/fastapi.svg" alt="Coverage">
</a>
<a href="https://pypi.org/project/fastapi" target="_blank">
<img src="https://img.shields.io/pypi/v/fastapi?color=%2334D058&label=pypi%20package" alt="Package version">
</a>
<a href="https://pypi.org/project/fastapi" target="_blank">
<img src="https://img.shields.io/pypi/pyversions/fastapi.svg?color=%2334D058" alt="Supported Python versions">
</a>
</p>
---
**Documentation**: <a href="https://fastapi.tiangolo.com" target="_blank">https://fastapi.tiangolo.com</a>
**Source Code**: <a href="https://github.com/tiangolo/fastapi" target="_blank">https://github.com/tiangolo/fastapi</a>
---
FastAPI is a modern, fast (high-performance), web framework for building APIs with Python 3.7+ based on standard Python type hints.
The key features are:
* **Fast**: Very high performance, on par with **NodeJS** and **Go** (thanks to Starlette and Pydantic). [One of the fastest Python frameworks available](#performance).
* **Fast to code**: Increase the speed to develop features by about 200% to 300%. *
* **Fewer bugs**: Reduce about 40% of human (developer) induced errors. *
* **Intuitive**: Great editor support. <abbr title="also known as auto-complete, autocompletion, IntelliSense">Completion</abbr> everywhere. Less time debugging.
* **Easy**: Designed to be easy to use and learn. Less time reading docs.
* **Short**: Minimize code duplication. Multiple features from each parameter declaration. Fewer bugs.
* **Robust**: Get production-ready code. With automatic interactive documentation.
* **Standards-based**: Based on (and fully compatible with) the open standards for APIs: <a href="https://github.com/OAI/OpenAPI-Specification" class="external-link" target="_blank">OpenAPI</a> (previously known as Swagger) and <a href="https://json-schema.org/" class="external-link" target="_blank">JSON Schema</a>.
<small>* estimation based on tests on an internal development team, building production applications.</small>
## Sponsors
<!-- sponsors -->
{% if sponsors %}
{% for sponsor in sponsors.gold -%}
<a href="{{ sponsor.url }}" target="_blank" title="{{ sponsor.title }}"><img src="{{ sponsor.img }}" style="border-radius:15px"></a>
{% endfor -%}
{%- for sponsor in sponsors.silver -%}
<a href="{{ sponsor.url }}" target="_blank" title="{{ sponsor.title }}"><img src="{{ sponsor.img }}" style="border-radius:15px"></a>
{% endfor %}
{% endif %}
<!-- /sponsors -->
<a href="https://fastapi.tiangolo.com/fastapi-people/#sponsors" class="external-link" target="_blank">Other sponsors</a>
## Opinions
"_[...] I'm using **FastAPI** a ton these days. [...] I'm actually planning to use it for all of my team's **ML services at Microsoft**. Some of them are getting integrated into the core **Windows** product and some **Office** products._"
<div style="text-align: right; margin-right: 10%;">Kabir Khan - <strong>Microsoft</strong> <a href="https://github.com/tiangolo/fastapi/pull/26" target="_blank"><small>(ref)</small></a></div>
---
"_We adopted the **FastAPI** library to spawn a **REST** server that can be queried to obtain **predictions**. [for Ludwig]_"
<div style="text-align: right; margin-right: 10%;">Piero Molino, Yaroslav Dudin, and Sai Sumanth Miryala - <strong>Uber</strong> <a href="https://eng.uber.com/ludwig-v0-2/" target="_blank"><small>(ref)</small></a></div>
---
"_**Netflix** is pleased to announce the open-source release of our **crisis management** orchestration framework: **Dispatch**! [built with **FastAPI**]_"
<div style="text-align: right; margin-right: 10%;">Kevin Glisson, Marc Vilanova, Forest Monsen - <strong>Netflix</strong> <a href="https://netflixtechblog.com/introducing-dispatch-da4b8a2a8072" target="_blank"><small>(ref)</small></a></div>
---
"_Im over the moon excited about **FastAPI**. Its so fun!_"
<div style="text-align: right; margin-right: 10%;">Brian Okken - <strong><a href="https://pythonbytes.fm/episodes/show/123/time-to-right-the-py-wrongs?time_in_sec=855" target="_blank">Python Bytes</a> podcast host</strong> <a href="https://twitter.com/brianokken/status/1112220079972728832" target="_blank"><small>(ref)</small></a></div>
---
"_Honestly, what you've built looks super solid and polished. In many ways, it's what I wanted **Hug** to be - it's really inspiring to see someone build that._"
<div style="text-align: right; margin-right: 10%;">Timothy Crosley - <strong><a href="https://www.hug.rest/" target="_blank">Hug</a> creator</strong> <a href="https://news.ycombinator.com/item?id=19455465" target="_blank"><small>(ref)</small></a></div>
---
"_If you're looking to learn one **modern framework** for building REST APIs, check out **FastAPI** [...] It's fast, easy to use and easy to learn [...]_"
"_We've switched over to **FastAPI** for our **APIs** [...] I think you'll like it [...]_"
<div style="text-align: right; margin-right: 10%;">Ines Montani - Matthew Honnibal - <strong><a href="https://explosion.ai" target="_blank">Explosion AI</a> founders - <a href="https://spacy.io" target="_blank">spaCy</a> creators</strong> <a href="https://twitter.com/_inesmontani/status/1144173225322143744" target="_blank"><small>(ref)</small></a> - <a href="https://twitter.com/honnibal/status/1144031421859655680" target="_blank"><small>(ref)</small></a></div>
---
## **Typer**, the FastAPI of CLIs
<a href="https://typer.tiangolo.com" target="_blank"><img src="https://typer.tiangolo.com/img/logo-margin/logo-margin-vector.svg" style="width: 20%;"></a>
If you are building a <abbr title="Command Line Interface">CLI</abbr> app to be used in the terminal instead of a web API, check out <a href="https://typer.tiangolo.com/" class="external-link" target="_blank">**Typer**</a>.
**Typer** is FastAPI's little sibling. And it's intended to be the **FastAPI of CLIs**. ⌨️ 🚀
## Requirements
Python 3.7+
FastAPI stands on the shoulders of giants:
* <a href="https://www.starlette.io/" class="external-link" target="_blank">Starlette</a> for the web parts.
* <a href="https://pydantic-docs.helpmanual.io/" class="external-link" target="_blank">Pydantic</a> for the data parts.
## Installation
<div class="termy">
```console
$ pip install fastapi
---> 100%
```
</div>
You will also need an ASGI server, for production such as <a href="https://www.uvicorn.org" class="external-link" target="_blank">Uvicorn</a> or <a href="https://github.com/pgjones/hypercorn" class="external-link" target="_blank">Hypercorn</a>.
<div class="termy">
```console
$ pip install "uvicorn[standard]"
---> 100%
```
</div>
## Example
### Create it
* Create a file `main.py` with:
```Python
from typing import Union
from fastapi import FastAPI
app = FastAPI()
@app.get("/")
def read_root():
return {"Hello": "World"}
@app.get("/items/{item_id}")
def read_item(item_id: int, q: Union[str, None] = None):
return {"item_id": item_id, "q": q}
```
<details markdown="1">
<summary>Or use <code>async def</code>...</summary>
If your code uses `async` / `await`, use `async def`:
```Python hl_lines="9 14"
from typing import Union
from fastapi import FastAPI
app = FastAPI()
@app.get("/")
async def read_root():
return {"Hello": "World"}
@app.get("/items/{item_id}")
async def read_item(item_id: int, q: Union[str, None] = None):
return {"item_id": item_id, "q": q}
```
**Note**:
If you don't know, check the _"In a hurry?"_ section about <a href="https://fastapi.tiangolo.com/async/#in-a-hurry" target="_blank">`async` and `await` in the docs</a>.
</details>
### Run it
Run the server with:
<div class="termy">
```console
$ uvicorn main:app --reload
INFO: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
INFO: Started reloader process [28720]
INFO: Started server process [28722]
INFO: Waiting for application startup.
INFO: Application startup complete.
```
</div>
<details markdown="1">
<summary>About the command <code>uvicorn main:app --reload</code>...</summary>
The command `uvicorn main:app` refers to:
* `main`: the file `main.py` (the Python "module").
* `app`: the object created inside of `main.py` with the line `app = FastAPI()`.
* `--reload`: make the server restart after code changes. Only do this for development.
</details>
### Check it
Open your browser at <a href="http://127.0.0.1:8000/items/5?q=somequery" class="external-link" target="_blank">http://127.0.0.1:8000/items/5?q=somequery</a>.
You will see the JSON response as:
```JSON
{"item_id": 5, "q": "somequery"}
```
You already created an API that:
* Receives HTTP requests in the _paths_ `/` and `/items/{item_id}`.
* Both _paths_ take `GET` <em>operations</em> (also known as HTTP _methods_).
* The _path_ `/items/{item_id}` has a _path parameter_ `item_id` that should be an `int`.
* The _path_ `/items/{item_id}` has an optional `str` _query parameter_ `q`.
### Interactive API docs
Now go to <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.
You will see the automatic interactive API documentation (provided by <a href="https://github.com/swagger-api/swagger-ui" class="external-link" target="_blank">Swagger UI</a>):
![Swagger UI](https://fastapi.tiangolo.com/img/index/index-01-swagger-ui-simple.png)
### Alternative API docs
And now, go to <a href="http://127.0.0.1:8000/redoc" class="external-link" target="_blank">http://127.0.0.1:8000/redoc</a>.
You will see the alternative automatic documentation (provided by <a href="https://github.com/Rebilly/ReDoc" class="external-link" target="_blank">ReDoc</a>):
![ReDoc](https://fastapi.tiangolo.com/img/index/index-02-redoc-simple.png)
## Example upgrade
Now modify the file `main.py` to receive a body from a `PUT` request.
Declare the body using standard Python types, thanks to Pydantic.
```Python hl_lines="4 9-12 25-27"
from typing import Union
from fastapi import FastAPI
from pydantic import BaseModel
app = FastAPI()
class Item(BaseModel):
name: str
price: float
is_offer: Union[bool, None] = None
@app.get("/")
def read_root():
return {"Hello": "World"}
@app.get("/items/{item_id}")
def read_item(item_id: int, q: Union[str, None] = None):
return {"item_id": item_id, "q": q}
@app.put("/items/{item_id}")
def update_item(item_id: int, item: Item):
return {"item_name": item.name, "item_id": item_id}
```
The server should reload automatically (because you added `--reload` to the `uvicorn` command above).
### Interactive API docs upgrade
Now go to <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.
* The interactive API documentation will be automatically updated, including the new body:
![Swagger UI](https://fastapi.tiangolo.com/img/index/index-03-swagger-02.png)
* Click on the button "Try it out", it allows you to fill the parameters and directly interact with the API:
![Swagger UI interaction](https://fastapi.tiangolo.com/img/index/index-04-swagger-03.png)
* Then click on the "Execute" button, the user interface will communicate with your API, send the parameters, get the results and show them on the screen:
![Swagger UI interaction](https://fastapi.tiangolo.com/img/index/index-05-swagger-04.png)
### Alternative API docs upgrade
And now, go to <a href="http://127.0.0.1:8000/redoc" class="external-link" target="_blank">http://127.0.0.1:8000/redoc</a>.
* The alternative documentation will also reflect the new query parameter and body:
![ReDoc](https://fastapi.tiangolo.com/img/index/index-06-redoc-02.png)
### Recap
In summary, you declare **once** the types of parameters, body, etc. as function parameters.
You do that with standard modern Python types.
You don't have to learn a new syntax, the methods or classes of a specific library, etc.
Just standard **Python 3.7+**.
For example, for an `int`:
```Python
item_id: int
```
or for a more complex `Item` model:
```Python
item: Item
```
...and with that single declaration you get:
* Editor support, including:
* Completion.
* Type checks.
* Validation of data:
* Automatic and clear errors when the data is invalid.
* Validation even for deeply nested JSON objects.
* <abbr title="also known as: serialization, parsing, marshalling">Conversion</abbr> of input data: coming from the network to Python data and types. Reading from:
* JSON.
* Path parameters.
* Query parameters.
* Cookies.
* Headers.
* Forms.
* Files.
* <abbr title="also known as: serialization, parsing, marshalling">Conversion</abbr> of output data: converting from Python data and types to network data (as JSON):
* Convert Python types (`str`, `int`, `float`, `bool`, `list`, etc).
* `datetime` objects.
* `UUID` objects.
* Database models.
* ...and many more.
* Automatic interactive API documentation, including 2 alternative user interfaces:
* Swagger UI.
* ReDoc.
---
Coming back to the previous code example, **FastAPI** will:
* Validate that there is an `item_id` in the path for `GET` and `PUT` requests.
* Validate that the `item_id` is of type `int` for `GET` and `PUT` requests.
* If it is not, the client will see a useful, clear error.
* Check if there is an optional query parameter named `q` (as in `http://127.0.0.1:8000/items/foo?q=somequery`) for `GET` requests.
* As the `q` parameter is declared with `= None`, it is optional.
* Without the `None` it would be required (as is the body in the case with `PUT`).
* For `PUT` requests to `/items/{item_id}`, Read the body as JSON:
* Check that it has a required attribute `name` that should be a `str`.
* Check that it has a required attribute `price` that has to be a `float`.
* Check that it has an optional attribute `is_offer`, that should be a `bool`, if present.
* All this would also work for deeply nested JSON objects.
* Convert from and to JSON automatically.
* Document everything with OpenAPI, that can be used by:
* Interactive documentation systems.
* Automatic client code generation systems, for many languages.
* Provide 2 interactive documentation web interfaces directly.
---
We just scratched the surface, but you already get the idea of how it all works.
Try changing the line with:
```Python
return {"item_name": item.name, "item_id": item_id}
```
...from:
```Python
... "item_name": item.name ...
```
...to:
```Python
... "item_price": item.price ...
```
...and see how your editor will auto-complete the attributes and know their types:
![editor support](https://fastapi.tiangolo.com/img/vscode-completion.png)
For a more complete example including more features, see the <a href="https://fastapi.tiangolo.com/tutorial/">Tutorial - User Guide</a>.
**Spoiler alert**: the tutorial - user guide includes:
* Declaration of **parameters** from other different places as: **headers**, **cookies**, **form fields** and **files**.
* How to set **validation constraints** as `maximum_length` or `regex`.
* A very powerful and easy to use **<abbr title="also known as components, resources, providers, services, injectables">Dependency Injection</abbr>** system.
* Security and authentication, including support for **OAuth2** with **JWT tokens** and **HTTP Basic** auth.
* More advanced (but equally easy) techniques for declaring **deeply nested JSON models** (thanks to Pydantic).
* **GraphQL** integration with <a href="https://strawberry.rocks" class="external-link" target="_blank">Strawberry</a> and other libraries.
* Many extra features (thanks to Starlette) as:
* **WebSockets**
* extremely easy tests based on HTTPX and `pytest`
* **CORS**
* **Cookie Sessions**
* ...and more.
## Performance
Independent TechEmpower benchmarks show **FastAPI** applications running under Uvicorn as <a href="https://www.techempower.com/benchmarks/#section=test&runid=7464e520-0dc2-473d-bd34-dbdfd7e85911&hw=ph&test=query&l=zijzen-7" class="external-link" target="_blank">one of the fastest Python frameworks available</a>, only below Starlette and Uvicorn themselves (used internally by FastAPI). (*)
To understand more about it, see the section <a href="https://fastapi.tiangolo.com/benchmarks/" class="internal-link" target="_blank">Benchmarks</a>.
## Optional Dependencies
Used by Pydantic:
* <a href="https://github.com/esnme/ultrajson" target="_blank"><code>ujson</code></a> - for faster JSON <abbr title="converting the string that comes from an HTTP request into Python data">"parsing"</abbr>.
* <a href="https://github.com/JoshData/python-email-validator" target="_blank"><code>email_validator</code></a> - for email validation.
Used by Starlette:
* <a href="https://www.python-httpx.org" target="_blank"><code>httpx</code></a> - Required if you want to use the `TestClient`.
* <a href="https://jinja.palletsprojects.com" target="_blank"><code>jinja2</code></a> - Required if you want to use the default template configuration.
* <a href="https://andrew-d.github.io/python-multipart/" target="_blank"><code>python-multipart</code></a> - Required if you want to support form <abbr title="converting the string that comes from an HTTP request into Python data">"parsing"</abbr>, with `request.form()`.
* <a href="https://pythonhosted.org/itsdangerous/" target="_blank"><code>itsdangerous</code></a> - Required for `SessionMiddleware` support.
* <a href="https://pyyaml.org/wiki/PyYAMLDocumentation" target="_blank"><code>pyyaml</code></a> - Required for Starlette's `SchemaGenerator` support (you probably don't need it with FastAPI).
* <a href="https://github.com/esnme/ultrajson" target="_blank"><code>ujson</code></a> - Required if you want to use `UJSONResponse`.
Used by FastAPI / Starlette:
* <a href="https://www.uvicorn.org" target="_blank"><code>uvicorn</code></a> - for the server that loads and serves your application.
* <a href="https://github.com/ijl/orjson" target="_blank"><code>orjson</code></a> - Required if you want to use `ORJSONResponse`.
You can install all of these with `pip install "fastapi[all]"`.
## License
This project is licensed under the terms of the MIT license.

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site_name: FastAPI
site_description: FastAPI framework, high performance, easy to learn, fast to code, ready for production
site_url: https://fastapi.tiangolo.com/hy/
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custom_dir: overrides
palette:
- media: '(prefers-color-scheme: light)'
scheme: default
primary: teal
accent: amber
toggle:
icon: material/lightbulb
name: Switch to light mode
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scheme: slate
primary: teal
accent: amber
toggle:
icon: material/lightbulb-outline
name: Switch to dark mode
features:
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name: ko - 한국어
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name: pl
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name: pt - português
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name: ru - русский язык
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name: sq - shqip
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name: sv - svenska
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name: ta - தமிழ்
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extra_css:
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extra_javascript:
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@@ -1,465 +0,0 @@
{!../../../docs/missing-translation.md!}
<p align="center">
<a href="https://fastapi.tiangolo.com"><img src="https://fastapi.tiangolo.com/img/logo-margin/logo-teal.png" alt="FastAPI"></a>
</p>
<p align="center">
<em>FastAPI framework, high performance, easy to learn, fast to code, ready for production</em>
</p>
<p align="center">
<a href="https://github.com/tiangolo/fastapi/actions?query=workflow%3ATest" target="_blank">
<img src="https://github.com/tiangolo/fastapi/workflows/Test/badge.svg" alt="Test">
</a>
<a href="https://codecov.io/gh/tiangolo/fastapi" target="_blank">
<img src="https://img.shields.io/codecov/c/github/tiangolo/fastapi?color=%2334D058" alt="Coverage">
</a>
<a href="https://pypi.org/project/fastapi" target="_blank">
<img src="https://img.shields.io/pypi/v/fastapi?color=%2334D058&label=pypi%20package" alt="Package version">
</a>
</p>
---
**Documentation**: <a href="https://fastapi.tiangolo.com" target="_blank">https://fastapi.tiangolo.com</a>
**Source Code**: <a href="https://github.com/tiangolo/fastapi" target="_blank">https://github.com/tiangolo/fastapi</a>
---
FastAPI is a modern, fast (high-performance), web framework for building APIs with Python 3.6+ based on standard Python type hints.
The key features are:
* **Fast**: Very high performance, on par with **NodeJS** and **Go** (thanks to Starlette and Pydantic). [One of the fastest Python frameworks available](#performance).
* **Fast to code**: Increase the speed to develop features by about 200% to 300%. *
* **Fewer bugs**: Reduce about 40% of human (developer) induced errors. *
* **Intuitive**: Great editor support. <abbr title="also known as auto-complete, autocompletion, IntelliSense">Completion</abbr> everywhere. Less time debugging.
* **Easy**: Designed to be easy to use and learn. Less time reading docs.
* **Short**: Minimize code duplication. Multiple features from each parameter declaration. Fewer bugs.
* **Robust**: Get production-ready code. With automatic interactive documentation.
* **Standards-based**: Based on (and fully compatible with) the open standards for APIs: <a href="https://github.com/OAI/OpenAPI-Specification" class="external-link" target="_blank">OpenAPI</a> (previously known as Swagger) and <a href="https://json-schema.org/" class="external-link" target="_blank">JSON Schema</a>.
<small>* estimation based on tests on an internal development team, building production applications.</small>
## Sponsors
<!-- sponsors -->
{% if sponsors %}
{% for sponsor in sponsors.gold -%}
<a href="{{ sponsor.url }}" target="_blank" title="{{ sponsor.title }}"><img src="{{ sponsor.img }}" style="border-radius:15px"></a>
{% endfor -%}
{%- for sponsor in sponsors.silver -%}
<a href="{{ sponsor.url }}" target="_blank" title="{{ sponsor.title }}"><img src="{{ sponsor.img }}" style="border-radius:15px"></a>
{% endfor %}
{% endif %}
<!-- /sponsors -->
<a href="https://fastapi.tiangolo.com/fastapi-people/#sponsors" class="external-link" target="_blank">Other sponsors</a>
## Opinions
"_[...] I'm using **FastAPI** a ton these days. [...] I'm actually planning to use it for all of my team's **ML services at Microsoft**. Some of them are getting integrated into the core **Windows** product and some **Office** products._"
<div style="text-align: right; margin-right: 10%;">Kabir Khan - <strong>Microsoft</strong> <a href="https://github.com/tiangolo/fastapi/pull/26" target="_blank"><small>(ref)</small></a></div>
---
"_We adopted the **FastAPI** library to spawn a **REST** server that can be queried to obtain **predictions**. [for Ludwig]_"
<div style="text-align: right; margin-right: 10%;">Piero Molino, Yaroslav Dudin, and Sai Sumanth Miryala - <strong>Uber</strong> <a href="https://eng.uber.com/ludwig-v0-2/" target="_blank"><small>(ref)</small></a></div>
---
"_**Netflix** is pleased to announce the open-source release of our **crisis management** orchestration framework: **Dispatch**! [built with **FastAPI**]_"
<div style="text-align: right; margin-right: 10%;">Kevin Glisson, Marc Vilanova, Forest Monsen - <strong>Netflix</strong> <a href="https://netflixtechblog.com/introducing-dispatch-da4b8a2a8072" target="_blank"><small>(ref)</small></a></div>
---
"_Im over the moon excited about **FastAPI**. Its so fun!_"
<div style="text-align: right; margin-right: 10%;">Brian Okken - <strong><a href="https://pythonbytes.fm/episodes/show/123/time-to-right-the-py-wrongs?time_in_sec=855" target="_blank">Python Bytes</a> podcast host</strong> <a href="https://twitter.com/brianokken/status/1112220079972728832" target="_blank"><small>(ref)</small></a></div>
---
"_Honestly, what you've built looks super solid and polished. In many ways, it's what I wanted **Hug** to be - it's really inspiring to see someone build that._"
<div style="text-align: right; margin-right: 10%;">Timothy Crosley - <strong><a href="https://www.hug.rest/" target="_blank">Hug</a> creator</strong> <a href="https://news.ycombinator.com/item?id=19455465" target="_blank"><small>(ref)</small></a></div>
---
"_If you're looking to learn one **modern framework** for building REST APIs, check out **FastAPI** [...] It's fast, easy to use and easy to learn [...]_"
"_We've switched over to **FastAPI** for our **APIs** [...] I think you'll like it [...]_"
<div style="text-align: right; margin-right: 10%;">Ines Montani - Matthew Honnibal - <strong><a href="https://explosion.ai" target="_blank">Explosion AI</a> founders - <a href="https://spacy.io" target="_blank">spaCy</a> creators</strong> <a href="https://twitter.com/_inesmontani/status/1144173225322143744" target="_blank"><small>(ref)</small></a> - <a href="https://twitter.com/honnibal/status/1144031421859655680" target="_blank"><small>(ref)</small></a></div>
---
## **Typer**, the FastAPI of CLIs
<a href="https://typer.tiangolo.com" target="_blank"><img src="https://typer.tiangolo.com/img/logo-margin/logo-margin-vector.svg" style="width: 20%;"></a>
If you are building a <abbr title="Command Line Interface">CLI</abbr> app to be used in the terminal instead of a web API, check out <a href="https://typer.tiangolo.com/" class="external-link" target="_blank">**Typer**</a>.
**Typer** is FastAPI's little sibling. And it's intended to be the **FastAPI of CLIs**. ⌨️ 🚀
## Requirements
Python 3.7+
FastAPI stands on the shoulders of giants:
* <a href="https://www.starlette.io/" class="external-link" target="_blank">Starlette</a> for the web parts.
* <a href="https://pydantic-docs.helpmanual.io/" class="external-link" target="_blank">Pydantic</a> for the data parts.
## Installation
<div class="termy">
```console
$ pip install fastapi
---> 100%
```
</div>
You will also need an ASGI server, for production such as <a href="https://www.uvicorn.org" class="external-link" target="_blank">Uvicorn</a> or <a href="https://gitlab.com/pgjones/hypercorn" class="external-link" target="_blank">Hypercorn</a>.
<div class="termy">
```console
$ pip install "uvicorn[standard]"
---> 100%
```
</div>
## Example
### Create it
* Create a file `main.py` with:
```Python
from typing import Optional
from fastapi import FastAPI
app = FastAPI()
@app.get("/")
def read_root():
return {"Hello": "World"}
@app.get("/items/{item_id}")
def read_item(item_id: int, q: Optional[str] = None):
return {"item_id": item_id, "q": q}
```
<details markdown="1">
<summary>Or use <code>async def</code>...</summary>
If your code uses `async` / `await`, use `async def`:
```Python hl_lines="9 14"
from typing import Optional
from fastapi import FastAPI
app = FastAPI()
@app.get("/")
async def read_root():
return {"Hello": "World"}
@app.get("/items/{item_id}")
async def read_item(item_id: int, q: Optional[str] = None):
return {"item_id": item_id, "q": q}
```
**Note**:
If you don't know, check the _"In a hurry?"_ section about <a href="https://fastapi.tiangolo.com/async/#in-a-hurry" target="_blank">`async` and `await` in the docs</a>.
</details>
### Run it
Run the server with:
<div class="termy">
```console
$ uvicorn main:app --reload
INFO: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
INFO: Started reloader process [28720]
INFO: Started server process [28722]
INFO: Waiting for application startup.
INFO: Application startup complete.
```
</div>
<details markdown="1">
<summary>About the command <code>uvicorn main:app --reload</code>...</summary>
The command `uvicorn main:app` refers to:
* `main`: the file `main.py` (the Python "module").
* `app`: the object created inside of `main.py` with the line `app = FastAPI()`.
* `--reload`: make the server restart after code changes. Only do this for development.
</details>
### Check it
Open your browser at <a href="http://127.0.0.1:8000/items/5?q=somequery" class="external-link" target="_blank">http://127.0.0.1:8000/items/5?q=somequery</a>.
You will see the JSON response as:
```JSON
{"item_id": 5, "q": "somequery"}
```
You already created an API that:
* Receives HTTP requests in the _paths_ `/` and `/items/{item_id}`.
* Both _paths_ take `GET` <em>operations</em> (also known as HTTP _methods_).
* The _path_ `/items/{item_id}` has a _path parameter_ `item_id` that should be an `int`.
* The _path_ `/items/{item_id}` has an optional `str` _query parameter_ `q`.
### Interactive API docs
Now go to <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.
You will see the automatic interactive API documentation (provided by <a href="https://github.com/swagger-api/swagger-ui" class="external-link" target="_blank">Swagger UI</a>):
![Swagger UI](https://fastapi.tiangolo.com/img/index/index-01-swagger-ui-simple.png)
### Alternative API docs
And now, go to <a href="http://127.0.0.1:8000/redoc" class="external-link" target="_blank">http://127.0.0.1:8000/redoc</a>.
You will see the alternative automatic documentation (provided by <a href="https://github.com/Rebilly/ReDoc" class="external-link" target="_blank">ReDoc</a>):
![ReDoc](https://fastapi.tiangolo.com/img/index/index-02-redoc-simple.png)
## Example upgrade
Now modify the file `main.py` to receive a body from a `PUT` request.
Declare the body using standard Python types, thanks to Pydantic.
```Python hl_lines="4 9-12 25-27"
from typing import Optional
from fastapi import FastAPI
from pydantic import BaseModel
app = FastAPI()
class Item(BaseModel):
name: str
price: float
is_offer: Optional[bool] = None
@app.get("/")
def read_root():
return {"Hello": "World"}
@app.get("/items/{item_id}")
def read_item(item_id: int, q: Optional[str] = None):
return {"item_id": item_id, "q": q}
@app.put("/items/{item_id}")
def update_item(item_id: int, item: Item):
return {"item_name": item.name, "item_id": item_id}
```
The server should reload automatically (because you added `--reload` to the `uvicorn` command above).
### Interactive API docs upgrade
Now go to <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.
* The interactive API documentation will be automatically updated, including the new body:
![Swagger UI](https://fastapi.tiangolo.com/img/index/index-03-swagger-02.png)
* Click on the button "Try it out", it allows you to fill the parameters and directly interact with the API:
![Swagger UI interaction](https://fastapi.tiangolo.com/img/index/index-04-swagger-03.png)
* Then click on the "Execute" button, the user interface will communicate with your API, send the parameters, get the results and show them on the screen:
![Swagger UI interaction](https://fastapi.tiangolo.com/img/index/index-05-swagger-04.png)
### Alternative API docs upgrade
And now, go to <a href="http://127.0.0.1:8000/redoc" class="external-link" target="_blank">http://127.0.0.1:8000/redoc</a>.
* The alternative documentation will also reflect the new query parameter and body:
![ReDoc](https://fastapi.tiangolo.com/img/index/index-06-redoc-02.png)
### Recap
In summary, you declare **once** the types of parameters, body, etc. as function parameters.
You do that with standard modern Python types.
You don't have to learn a new syntax, the methods or classes of a specific library, etc.
Just standard **Python 3.6+**.
For example, for an `int`:
```Python
item_id: int
```
or for a more complex `Item` model:
```Python
item: Item
```
...and with that single declaration you get:
* Editor support, including:
* Completion.
* Type checks.
* Validation of data:
* Automatic and clear errors when the data is invalid.
* Validation even for deeply nested JSON objects.
* <abbr title="also known as: serialization, parsing, marshalling">Conversion</abbr> of input data: coming from the network to Python data and types. Reading from:
* JSON.
* Path parameters.
* Query parameters.
* Cookies.
* Headers.
* Forms.
* Files.
* <abbr title="also known as: serialization, parsing, marshalling">Conversion</abbr> of output data: converting from Python data and types to network data (as JSON):
* Convert Python types (`str`, `int`, `float`, `bool`, `list`, etc).
* `datetime` objects.
* `UUID` objects.
* Database models.
* ...and many more.
* Automatic interactive API documentation, including 2 alternative user interfaces:
* Swagger UI.
* ReDoc.
---
Coming back to the previous code example, **FastAPI** will:
* Validate that there is an `item_id` in the path for `GET` and `PUT` requests.
* Validate that the `item_id` is of type `int` for `GET` and `PUT` requests.
* If it is not, the client will see a useful, clear error.
* Check if there is an optional query parameter named `q` (as in `http://127.0.0.1:8000/items/foo?q=somequery`) for `GET` requests.
* As the `q` parameter is declared with `= None`, it is optional.
* Without the `None` it would be required (as is the body in the case with `PUT`).
* For `PUT` requests to `/items/{item_id}`, Read the body as JSON:
* Check that it has a required attribute `name` that should be a `str`.
* Check that it has a required attribute `price` that has to be a `float`.
* Check that it has an optional attribute `is_offer`, that should be a `bool`, if present.
* All this would also work for deeply nested JSON objects.
* Convert from and to JSON automatically.
* Document everything with OpenAPI, that can be used by:
* Interactive documentation systems.
* Automatic client code generation systems, for many languages.
* Provide 2 interactive documentation web interfaces directly.
---
We just scratched the surface, but you already get the idea of how it all works.
Try changing the line with:
```Python
return {"item_name": item.name, "item_id": item_id}
```
...from:
```Python
... "item_name": item.name ...
```
...to:
```Python
... "item_price": item.price ...
```
...and see how your editor will auto-complete the attributes and know their types:
![editor support](https://fastapi.tiangolo.com/img/vscode-completion.png)
For a more complete example including more features, see the <a href="https://fastapi.tiangolo.com/tutorial/">Tutorial - User Guide</a>.
**Spoiler alert**: the tutorial - user guide includes:
* Declaration of **parameters** from other different places as: **headers**, **cookies**, **form fields** and **files**.
* How to set **validation constraints** as `maximum_length` or `regex`.
* A very powerful and easy to use **<abbr title="also known as components, resources, providers, services, injectables">Dependency Injection</abbr>** system.
* Security and authentication, including support for **OAuth2** with **JWT tokens** and **HTTP Basic** auth.
* More advanced (but equally easy) techniques for declaring **deeply nested JSON models** (thanks to Pydantic).
* Many extra features (thanks to Starlette) as:
* **WebSockets**
* **GraphQL**
* extremely easy tests based on HTTPX and `pytest`
* **CORS**
* **Cookie Sessions**
* ...and more.
## Performance
Independent TechEmpower benchmarks show **FastAPI** applications running under Uvicorn as <a href="https://www.techempower.com/benchmarks/#section=test&runid=7464e520-0dc2-473d-bd34-dbdfd7e85911&hw=ph&test=query&l=zijzen-7" class="external-link" target="_blank">one of the fastest Python frameworks available</a>, only below Starlette and Uvicorn themselves (used internally by FastAPI). (*)
To understand more about it, see the section <a href="https://fastapi.tiangolo.com/benchmarks/" class="internal-link" target="_blank">Benchmarks</a>.
## Optional Dependencies
Used by Pydantic:
* <a href="https://github.com/JoshData/python-email-validator" target="_blank"><code>email_validator</code></a> - for email validation.
Used by Starlette:
* <a href="https://www.python-httpx.org" target="_blank"><code>httpx</code></a> - Required if you want to use the `TestClient`.
* <a href="https://jinja.palletsprojects.com" target="_blank"><code>jinja2</code></a> - Required if you want to use the default template configuration.
* <a href="https://andrew-d.github.io/python-multipart/" target="_blank"><code>python-multipart</code></a> - Required if you want to support form <abbr title="converting the string that comes from an HTTP request into Python data">"parsing"</abbr>, with `request.form()`.
* <a href="https://pythonhosted.org/itsdangerous/" target="_blank"><code>itsdangerous</code></a> - Required for `SessionMiddleware` support.
* <a href="https://pyyaml.org/wiki/PyYAMLDocumentation" target="_blank"><code>pyyaml</code></a> - Required for Starlette's `SchemaGenerator` support (you probably don't need it with FastAPI).
* <a href="https://graphene-python.org/" target="_blank"><code>graphene</code></a> - Required for `GraphQLApp` support.
* <a href="https://github.com/esnme/ultrajson" target="_blank"><code>ujson</code></a> - Required if you want to use `UJSONResponse`.
Used by FastAPI / Starlette:
* <a href="https://www.uvicorn.org" target="_blank"><code>uvicorn</code></a> - for the server that loads and serves your application.
* <a href="https://github.com/ijl/orjson" target="_blank"><code>orjson</code></a> - Required if you want to use `ORJSONResponse`.
You can install all of these with `pip install fastapi[all]`.
## License
This project is licensed under the terms of the MIT license.

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site_description: FastAPI framework, high performance, easy to learn, fast to code, ready for production
site_url: https://fastapi.tiangolo.com/id/
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@@ -1,462 +0,0 @@
{!../../../docs/missing-translation.md!}
<p align="center">
<a href="https://fastapi.tiangolo.com"><img src="https://fastapi.tiangolo.com/img/logo-margin/logo-teal.png" alt="FastAPI"></a>
</p>
<p align="center">
<em>FastAPI framework, high performance, easy to learn, fast to code, ready for production</em>
</p>
<p align="center">
<a href="https://travis-ci.com/tiangolo/fastapi" target="_blank">
<img src="https://travis-ci.com/tiangolo/fastapi.svg?branch=master" alt="Build Status">
</a>
<a href="https://codecov.io/gh/tiangolo/fastapi" target="_blank">
<img src="https://img.shields.io/codecov/c/github/tiangolo/fastapi" alt="Coverage">
</a>
<a href="https://pypi.org/project/fastapi" target="_blank">
<img src="https://badge.fury.io/py/fastapi.svg" alt="Package version">
</a>
</p>
---
**Documentation**: <a href="https://fastapi.tiangolo.com" target="_blank">https://fastapi.tiangolo.com</a>
**Source Code**: <a href="https://github.com/tiangolo/fastapi" target="_blank">https://github.com/tiangolo/fastapi</a>
---
FastAPI is a modern, fast (high-performance), web framework for building APIs with Python 3.6+ based on standard Python type hints.
The key features are:
* **Fast**: Very high performance, on par with **NodeJS** and **Go** (thanks to Starlette and Pydantic). [One of the fastest Python frameworks available](#performance).
* **Fast to code**: Increase the speed to develop features by about 200% to 300%. *
* **Fewer bugs**: Reduce about 40% of human (developer) induced errors. *
* **Intuitive**: Great editor support. <abbr title="also known as auto-complete, autocompletion, IntelliSense">Completion</abbr> everywhere. Less time debugging.
* **Easy**: Designed to be easy to use and learn. Less time reading docs.
* **Short**: Minimize code duplication. Multiple features from each parameter declaration. Fewer bugs.
* **Robust**: Get production-ready code. With automatic interactive documentation.
* **Standards-based**: Based on (and fully compatible with) the open standards for APIs: <a href="https://github.com/OAI/OpenAPI-Specification" class="external-link" target="_blank">OpenAPI</a> (previously known as Swagger) and <a href="https://json-schema.org/" class="external-link" target="_blank">JSON Schema</a>.
<small>* estimation based on tests on an internal development team, building production applications.</small>
## Sponsors
<!-- sponsors -->
{% if sponsors %}
{% for sponsor in sponsors.gold -%}
<a href="{{ sponsor.url }}" target="_blank" title="{{ sponsor.title }}"><img src="{{ sponsor.img }}" style="border-radius:15px"></a>
{% endfor -%}
{%- for sponsor in sponsors.silver -%}
<a href="{{ sponsor.url }}" target="_blank" title="{{ sponsor.title }}"><img src="{{ sponsor.img }}" style="border-radius:15px"></a>
{% endfor %}
{% endif %}
<!-- /sponsors -->
<a href="https://fastapi.tiangolo.com/fastapi-people/#sponsors" class="external-link" target="_blank">Other sponsors</a>
## Opinions
"_[...] I'm using **FastAPI** a ton these days. [...] I'm actually planning to use it for all of my team's **ML services at Microsoft**. Some of them are getting integrated into the core **Windows** product and some **Office** products._"
<div style="text-align: right; margin-right: 10%;">Kabir Khan - <strong>Microsoft</strong> <a href="https://github.com/tiangolo/fastapi/pull/26" target="_blank"><small>(ref)</small></a></div>
---
"_We adopted the **FastAPI** library to spawn a **REST** server that can be queried to obtain **predictions**. [for Ludwig]_"
<div style="text-align: right; margin-right: 10%;">Piero Molino, Yaroslav Dudin, and Sai Sumanth Miryala - <strong>Uber</strong> <a href="https://eng.uber.com/ludwig-v0-2/" target="_blank"><small>(ref)</small></a></div>
---
"_**Netflix** is pleased to announce the open-source release of our **crisis management** orchestration framework: **Dispatch**! [built with **FastAPI**]_"
<div style="text-align: right; margin-right: 10%;">Kevin Glisson, Marc Vilanova, Forest Monsen - <strong>Netflix</strong> <a href="https://netflixtechblog.com/introducing-dispatch-da4b8a2a8072" target="_blank"><small>(ref)</small></a></div>
---
"_Im over the moon excited about **FastAPI**. Its so fun!_"
<div style="text-align: right; margin-right: 10%;">Brian Okken - <strong><a href="https://pythonbytes.fm/episodes/show/123/time-to-right-the-py-wrongs?time_in_sec=855" target="_blank">Python Bytes</a> podcast host</strong> <a href="https://twitter.com/brianokken/status/1112220079972728832" target="_blank"><small>(ref)</small></a></div>
---
"_Honestly, what you've built looks super solid and polished. In many ways, it's what I wanted **Hug** to be - it's really inspiring to see someone build that._"
<div style="text-align: right; margin-right: 10%;">Timothy Crosley - <strong><a href="https://www.hug.rest/" target="_blank">Hug</a> creator</strong> <a href="https://news.ycombinator.com/item?id=19455465" target="_blank"><small>(ref)</small></a></div>
---
"_If you're looking to learn one **modern framework** for building REST APIs, check out **FastAPI** [...] It's fast, easy to use and easy to learn [...]_"
"_We've switched over to **FastAPI** for our **APIs** [...] I think you'll like it [...]_"
<div style="text-align: right; margin-right: 10%;">Ines Montani - Matthew Honnibal - <strong><a href="https://explosion.ai" target="_blank">Explosion AI</a> founders - <a href="https://spacy.io" target="_blank">spaCy</a> creators</strong> <a href="https://twitter.com/_inesmontani/status/1144173225322143744" target="_blank"><small>(ref)</small></a> - <a href="https://twitter.com/honnibal/status/1144031421859655680" target="_blank"><small>(ref)</small></a></div>
---
## **Typer**, the FastAPI of CLIs
<a href="https://typer.tiangolo.com" target="_blank"><img src="https://typer.tiangolo.com/img/logo-margin/logo-margin-vector.svg" style="width: 20%;"></a>
If you are building a <abbr title="Command Line Interface">CLI</abbr> app to be used in the terminal instead of a web API, check out <a href="https://typer.tiangolo.com/" class="external-link" target="_blank">**Typer**</a>.
**Typer** is FastAPI's little sibling. And it's intended to be the **FastAPI of CLIs**. ⌨️ 🚀
## Requirements
Python 3.7+
FastAPI stands on the shoulders of giants:
* <a href="https://www.starlette.io/" class="external-link" target="_blank">Starlette</a> for the web parts.
* <a href="https://pydantic-docs.helpmanual.io/" class="external-link" target="_blank">Pydantic</a> for the data parts.
## Installation
<div class="termy">
```console
$ pip install fastapi
---> 100%
```
</div>
You will also need an ASGI server, for production such as <a href="https://www.uvicorn.org" class="external-link" target="_blank">Uvicorn</a> or <a href="https://gitlab.com/pgjones/hypercorn" class="external-link" target="_blank">Hypercorn</a>.
<div class="termy">
```console
$ pip install "uvicorn[standard]"
---> 100%
```
</div>
## Example
### Create it
* Create a file `main.py` with:
```Python
from fastapi import FastAPI
from typing import Optional
app = FastAPI()
@app.get("/")
def read_root():
return {"Hello": "World"}
@app.get("/items/{item_id}")
def read_item(item_id: int, q: str = Optional[None]):
return {"item_id": item_id, "q": q}
```
<details markdown="1">
<summary>Or use <code>async def</code>...</summary>
If your code uses `async` / `await`, use `async def`:
```Python hl_lines="7 12"
from fastapi import FastAPI
from typing import Optional
app = FastAPI()
@app.get("/")
async def read_root():
return {"Hello": "World"}
@app.get("/items/{item_id}")
async def read_item(item_id: int, q: Optional[str] = None):
return {"item_id": item_id, "q": q}
```
**Note**:
If you don't know, check the _"In a hurry?"_ section about <a href="https://fastapi.tiangolo.com/async/#in-a-hurry" target="_blank">`async` and `await` in the docs</a>.
</details>
### Run it
Run the server with:
<div class="termy">
```console
$ uvicorn main:app --reload
INFO: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
INFO: Started reloader process [28720]
INFO: Started server process [28722]
INFO: Waiting for application startup.
INFO: Application startup complete.
```
</div>
<details markdown="1">
<summary>About the command <code>uvicorn main:app --reload</code>...</summary>
The command `uvicorn main:app` refers to:
* `main`: the file `main.py` (the Python "module").
* `app`: the object created inside of `main.py` with the line `app = FastAPI()`.
* `--reload`: make the server restart after code changes. Only do this for development.
</details>
### Check it
Open your browser at <a href="http://127.0.0.1:8000/items/5?q=somequery" class="external-link" target="_blank">http://127.0.0.1:8000/items/5?q=somequery</a>.
You will see the JSON response as:
```JSON
{"item_id": 5, "q": "somequery"}
```
You already created an API that:
* Receives HTTP requests in the _paths_ `/` and `/items/{item_id}`.
* Both _paths_ take `GET` <em>operations</em> (also known as HTTP _methods_).
* The _path_ `/items/{item_id}` has a _path parameter_ `item_id` that should be an `int`.
* The _path_ `/items/{item_id}` has an optional `str` _query parameter_ `q`.
### Interactive API docs
Now go to <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.
You will see the automatic interactive API documentation (provided by <a href="https://github.com/swagger-api/swagger-ui" class="external-link" target="_blank">Swagger UI</a>):
![Swagger UI](https://fastapi.tiangolo.com/img/index/index-01-swagger-ui-simple.png)
### Alternative API docs
And now, go to <a href="http://127.0.0.1:8000/redoc" class="external-link" target="_blank">http://127.0.0.1:8000/redoc</a>.
You will see the alternative automatic documentation (provided by <a href="https://github.com/Rebilly/ReDoc" class="external-link" target="_blank">ReDoc</a>):
![ReDoc](https://fastapi.tiangolo.com/img/index/index-02-redoc-simple.png)
## Example upgrade
Now modify the file `main.py` to receive a body from a `PUT` request.
Declare the body using standard Python types, thanks to Pydantic.
```Python hl_lines="2 7-10 23-25"
from fastapi import FastAPI
from pydantic import BaseModel
from typing import Optional
app = FastAPI()
class Item(BaseModel):
name: str
price: float
is_offer: bool = Optional[None]
@app.get("/")
def read_root():
return {"Hello": "World"}
@app.get("/items/{item_id}")
def read_item(item_id: int, q: Optional[str] = None):
return {"item_id": item_id, "q": q}
@app.put("/items/{item_id}")
def update_item(item_id: int, item: Item):
return {"item_name": item.name, "item_id": item_id}
```
The server should reload automatically (because you added `--reload` to the `uvicorn` command above).
### Interactive API docs upgrade
Now go to <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.
* The interactive API documentation will be automatically updated, including the new body:
![Swagger UI](https://fastapi.tiangolo.com/img/index/index-03-swagger-02.png)
* Click on the button "Try it out", it allows you to fill the parameters and directly interact with the API:
![Swagger UI interaction](https://fastapi.tiangolo.com/img/index/index-04-swagger-03.png)
* Then click on the "Execute" button, the user interface will communicate with your API, send the parameters, get the results and show them on the screen:
![Swagger UI interaction](https://fastapi.tiangolo.com/img/index/index-05-swagger-04.png)
### Alternative API docs upgrade
And now, go to <a href="http://127.0.0.1:8000/redoc" class="external-link" target="_blank">http://127.0.0.1:8000/redoc</a>.
* The alternative documentation will also reflect the new query parameter and body:
![ReDoc](https://fastapi.tiangolo.com/img/index/index-06-redoc-02.png)
### Recap
In summary, you declare **once** the types of parameters, body, etc. as function parameters.
You do that with standard modern Python types.
You don't have to learn a new syntax, the methods or classes of a specific library, etc.
Just standard **Python 3.6+**.
For example, for an `int`:
```Python
item_id: int
```
or for a more complex `Item` model:
```Python
item: Item
```
...and with that single declaration you get:
* Editor support, including:
* Completion.
* Type checks.
* Validation of data:
* Automatic and clear errors when the data is invalid.
* Validation even for deeply nested JSON objects.
* <abbr title="also known as: serialization, parsing, marshalling">Conversion</abbr> of input data: coming from the network to Python data and types. Reading from:
* JSON.
* Path parameters.
* Query parameters.
* Cookies.
* Headers.
* Forms.
* Files.
* <abbr title="also known as: serialization, parsing, marshalling">Conversion</abbr> of output data: converting from Python data and types to network data (as JSON):
* Convert Python types (`str`, `int`, `float`, `bool`, `list`, etc).
* `datetime` objects.
* `UUID` objects.
* Database models.
* ...and many more.
* Automatic interactive API documentation, including 2 alternative user interfaces:
* Swagger UI.
* ReDoc.
---
Coming back to the previous code example, **FastAPI** will:
* Validate that there is an `item_id` in the path for `GET` and `PUT` requests.
* Validate that the `item_id` is of type `int` for `GET` and `PUT` requests.
* If it is not, the client will see a useful, clear error.
* Check if there is an optional query parameter named `q` (as in `http://127.0.0.1:8000/items/foo?q=somequery`) for `GET` requests.
* As the `q` parameter is declared with `= None`, it is optional.
* Without the `None` it would be required (as is the body in the case with `PUT`).
* For `PUT` requests to `/items/{item_id}`, Read the body as JSON:
* Check that it has a required attribute `name` that should be a `str`.
* Check that it has a required attribute `price` that has to be a `float`.
* Check that it has an optional attribute `is_offer`, that should be a `bool`, if present.
* All this would also work for deeply nested JSON objects.
* Convert from and to JSON automatically.
* Document everything with OpenAPI, that can be used by:
* Interactive documentation systems.
* Automatic client code generation systems, for many languages.
* Provide 2 interactive documentation web interfaces directly.
---
We just scratched the surface, but you already get the idea of how it all works.
Try changing the line with:
```Python
return {"item_name": item.name, "item_id": item_id}
```
...from:
```Python
... "item_name": item.name ...
```
...to:
```Python
... "item_price": item.price ...
```
...and see how your editor will auto-complete the attributes and know their types:
![editor support](https://fastapi.tiangolo.com/img/vscode-completion.png)
For a more complete example including more features, see the <a href="https://fastapi.tiangolo.com/tutorial/">Tutorial - User Guide</a>.
**Spoiler alert**: the tutorial - user guide includes:
* Declaration of **parameters** from other different places as: **headers**, **cookies**, **form fields** and **files**.
* How to set **validation constraints** as `maximum_length` or `regex`.
* A very powerful and easy to use **<abbr title="also known as components, resources, providers, services, injectables">Dependency Injection</abbr>** system.
* Security and authentication, including support for **OAuth2** with **JWT tokens** and **HTTP Basic** auth.
* More advanced (but equally easy) techniques for declaring **deeply nested JSON models** (thanks to Pydantic).
* Many extra features (thanks to Starlette) as:
* **WebSockets**
* **GraphQL**
* extremely easy tests based on HTTPX and `pytest`
* **CORS**
* **Cookie Sessions**
* ...and more.
## Performance
Independent TechEmpower benchmarks show **FastAPI** applications running under Uvicorn as <a href="https://www.techempower.com/benchmarks/#section=test&runid=7464e520-0dc2-473d-bd34-dbdfd7e85911&hw=ph&test=query&l=zijzen-7" class="external-link" target="_blank">one of the fastest Python frameworks available</a>, only below Starlette and Uvicorn themselves (used internally by FastAPI). (*)
To understand more about it, see the section <a href="https://fastapi.tiangolo.com/benchmarks/" class="internal-link" target="_blank">Benchmarks</a>.
## Optional Dependencies
Used by Pydantic:
* <a href="https://github.com/JoshData/python-email-validator" target="_blank"><code>email_validator</code></a> - for email validation.
Used by Starlette:
* <a href="https://www.python-httpx.org" target="_blank"><code>httpx</code></a> - Required if you want to use the `TestClient`.
* <a href="https://jinja.palletsprojects.com" target="_blank"><code>jinja2</code></a> - Required if you want to use the default template configuration.
* <a href="https://andrew-d.github.io/python-multipart/" target="_blank"><code>python-multipart</code></a> - Required if you want to support form <abbr title="converting the string that comes from an HTTP request into Python data">"parsing"</abbr>, with `request.form()`.
* <a href="https://pythonhosted.org/itsdangerous/" target="_blank"><code>itsdangerous</code></a> - Required for `SessionMiddleware` support.
* <a href="https://pyyaml.org/wiki/PyYAMLDocumentation" target="_blank"><code>pyyaml</code></a> - Required for Starlette's `SchemaGenerator` support (you probably don't need it with FastAPI).
* <a href="https://graphene-python.org/" target="_blank"><code>graphene</code></a> - Required for `GraphQLApp` support.
* <a href="https://github.com/esnme/ultrajson" target="_blank"><code>ujson</code></a> - Required if you want to use `UJSONResponse`.
Used by FastAPI / Starlette:
* <a href="https://www.uvicorn.org" target="_blank"><code>uvicorn</code></a> - for the server that loads and serves your application.
* <a href="https://github.com/ijl/orjson" target="_blank"><code>orjson</code></a> - Required if you want to use `ORJSONResponse`.
You can install all of these with `pip install fastapi[all]`.
## License
This project is licensed under the terms of the MIT license.

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# ユーザーガイド 応用編
# 高度なユーザーガイド
## さらなる機能

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# デプロイ - イントロ
# デプロイ
**FastAPI** 製のアプリケーションは比較的容易にデプロイできます。

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# チュートリアル - ユーザーガイド - はじめに
# チュートリアル - ユーザーガイド
このチュートリアルは**FastAPI**のほぼすべての機能の使い方を段階的に紹介します。

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- advanced/additional-status-codes.md
- advanced/response-directly.md
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- advanced/nosql-databases.md
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INHERIT: ../en/mkdocs.yml

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# 동시성과 async / await
*경로 작동 함수*에서의 `async def` 문법에 대한 세부사항과 비동기 코드, 동시성 및 병렬성에 대한 배경
## <a name="in-a-hurry"></a>바쁘신 경우
<strong>요약</strong>
다음과 같이 `await`를 사용해 호출하는 제3의 라이브러리를 사용하는 경우:
```Python
results = await some_library()
```
다음처럼 *경로 작동 함수*를 `async def`를 사용해 선언하십시오:
```Python hl_lines="2"
@app.get('/')
async def read_results():
results = await some_library()
return results
```
!!! note "참고"
`async def`로 생성된 함수 내부에서만 `await`를 사용할 수 있습니다.
---
데이터베이스, API, 파일시스템 등과 의사소통하는 제3의 라이브러리를 사용하고, 그것이 `await`를 지원하지 않는 경우(현재 거의 모든 데이터베이스 라이브러리가 그러합니다), *경로 작동 함수*를 일반적인 `def`를 사용해 선언하십시오:
```Python hl_lines="2"
@app.get('/')
def results():
results = some_library()
return results
```
---
만약 당신의 응용프로그램이 (어째서인지) 다른 무엇과 의사소통하고 그것이 응답하기를 기다릴 필요가 없다면 `async def`를 사용하십시오.
---
모르겠다면, 그냥 `def`를 사용하십시오.
---
**참고**: *경로 작동 함수*에서 필요한만큼 `def`와 `async def`를 혼용할 수 있고, 가장 알맞은 것을 선택해서 정의할 수 있습니다. FastAPI가 자체적으로 알맞은 작업을 수행할 것입니다.
어찌되었든, 상기 어떠한 경우라도, FastAPI는 여전히 비동기적으로 작동하고 매우 빠릅니다.
그러나 상기 작업을 수행함으로써 어느 정도의 성능 최적화가 가능합니다.
## 기술적 세부사항
최신 파이썬 버전은 `async`와 `await` 문법과 함께 **“코루틴”**이라고 하는 것을 사용하는 **“비동기 코드”**를 지원합니다.
아래 섹션들에서 해당 문장을 부분별로 살펴보겠습니다:
* **비동기 코드**
* **`async`와 `await`**
* **코루틴**
## 비동기 코드
비동기 코드란 언어 💬 가 코드의 어느 한 부분에서, 컴퓨터 / 프로그램🤖에게 *다른 무언가*가 어딘가에서 끝날 때까지 기다려야한다고 말하는 방식입니다. *다른 무언가*가 “느린-파일" 📝 이라고 불린다고 가정해봅시다.
따라서 “느린-파일” 📝이 끝날때까지 컴퓨터는 다른 작업을 수행할 수 있습니다.
그 다음 컴퓨터 / 프로그램 🤖 은 다시 기다리고 있기 때문에 기회가 있을 때마다 다시 돌아오거나, 혹은 당시에 수행해야하는 작업들이 완료될 때마다 다시 돌아옵니다. 그리고 그것 🤖 은 기다리고 있던 작업 중 어느 것이 이미 완료되었는지, 그것 🤖 이 해야하는 모든 작업을 수행하면서 확인합니다.
다음으로, 그것 🤖 은 완료할 첫번째 작업에 착수하고(우리의 "느린-파일" 📝 이라고 가정합시다) 그에 대해 수행해야하는 작업을 계속합니다.
"다른 무언가를 기다리는 것"은 일반적으로 비교적 "느린" (프로세서와 RAM 메모리 속도에 비해) <abbr title="Input and Output">I/O</abbr> 작업을 의미합니다. 예를 들면 다음의 것들을 기다리는 것입니다:
* 네트워크를 통해 클라이언트로부터 전송되는 데이터
* 네트워크를 통해 클라이언트가 수신할, 당신의 프로그램으로부터 전송되는 데이터
* 시스템이 읽고 프로그램에 전달할 디스크 내의 파일 내용
* 당신의 프로그램이 시스템에 전달하는, 디스크에 작성될 내용
* 원격 API 작업
* 완료될 데이터베이스 작업
* 결과를 반환하는 데이터베이스 쿼리
* 기타
수행 시간의 대부분이 <abbr title="Input and Output">I/O</abbr> 작업을 기다리는데에 소요되기 때문에, "I/O에 묶인" 작업이라고 불립니다.
이것은 "비동기"라고 불리는데 컴퓨터 / 프로그램이 작업 결과를 가지고 일을 수행할 수 있도록, 느린 작업에 "동기화"되어 아무것도 하지 않으면서 작업이 완료될 정확한 시점만을 기다릴 필요가 없기 때문입니다.
이 대신에, "비동기" 시스템에서는, 작업은 일단 완료되면, 컴퓨터 / 프로그램이 수행하고 있는 일을 완료하고 이후 다시 돌아와서 그것의 결과를 받아 이를 사용해 작업을 지속할 때까지 잠시 (몇 마이크로초) 대기할 수 있습니다.
"동기"("비동기"의 반대)는 컴퓨터 / 프로그램이 상이한 작업들간 전환을 하기 전에 그것이 대기를 동반하게 될지라도 모든 순서를 따르기 때문에 "순차"라는 용어로도 흔히 불립니다.
### 동시성과 버거
위에서 설명한 **비동기** 코드에 대한 개념은 종종 **"동시성"**이라고도 불립니다. 이것은 **"병렬성"**과는 다릅니다.
**동시성**과 **병렬성**은 모두 "동시에 일어나는 서로 다른 일들"과 관련이 있습니다.
하지만 *동시성*과 *병렬성*의 세부적인 개념에는 꽤 차이가 있습니다.
차이를 확인하기 위해, 다음의 버거에 대한 이야기를 상상해보십시오:
### 동시 버거
당신은 짝사랑 상대 😍 와 패스트푸드 🍔 를 먹으러 갔습니다. 당신은 점원 💁 이 당신 앞에 있는 사람들의 주문을 받을 동안 줄을 서서 기다리고 있습니다.
이제 당신의 순서가 되어서, 당신은 당신과 짝사랑 상대 😍 를 위한 두 개의 고급스러운 버거 🍔 를 주문합니다.
당신이 돈을 냅니다 💸.
점원 💁 은 주방 👨‍🍳 에 요리를 하라고 전달하고, 따라서 그들은 당신의 버거 🍔 를 준비해야한다는 사실을 알게됩니다(그들이 지금은 당신 앞 고객들의 주문을 준비하고 있을지라도 말입니다).
점원 💁 은 당신의 순서가 적힌 번호표를 줍니다.
기다리는 동안, 당신은 짝사랑 상대 😍 와 함께 테이블을 고르고, 자리에 앉아 오랫동안 (당신이 주문한 버거는 꽤나 고급스럽기 때문에 준비하는데 시간이 조금 걸립니다 ✨🍔✨) 대화를 나눕니다.
짝사랑 상대 😍 와 테이블에 앉아서 버거 🍔 를 기다리는 동안, 그 사람 😍 이 얼마나 멋지고, 사랑스럽고, 똑똑한지 감탄하며 시간을 보냅니다 ✨😍✨.
짝사랑 상대 😍 와 기다리면서 얘기하는 동안, 때때로, 당신은 당신의 차례가 되었는지 보기 위해 카운터의 번호를 확인합니다.
그러다 어느 순간, 당신의 차례가 됩니다. 카운터에 가서, 버거 🍔 를 받고, 테이블로 다시 돌아옵니다.
당신과 짝사랑 상대 😍 는 버거 🍔 를 먹으며 좋은 시간을 보냅니다 ✨.
---
당신이 이 이야기에서 컴퓨터 / 프로그램 🤖 이라고 상상해보십시오.
줄을 서서 기다리는 동안, 당신은 아무것도 하지 않고 😴 당신의 차례를 기다리며, 어떠한 "생산적인" 일도 하지 않습니다. 하지만 점원 💁 이 (음식을 준비하지는 않고) 주문을 받기만 하기 때문에 줄이 빨리 줄어들어서 괜찮습니다.
그다음, 당신이 차례가 오면, 당신은 실제로 "생산적인" 일 🤓 을 합니다. 당신은 메뉴를 보고, 무엇을 먹을지 결정하고, 짝사랑 상대 😍 의 선택을 묻고, 돈을 내고 💸 , 맞는 카드를 냈는지 확인하고, 비용이 제대로 지불되었는지 확인하고, 주문이 제대로 들어갔는지 확인을 하는 작업 등등을 수행합니다.
하지만 이후에는, 버거 🍔 를 아직 받지 못했음에도, 버거가 준비될 때까지 기다려야 🕙 하기 때문에 점원 💁 과의 작업은 "일시정지" ⏸ 상태입니다.
하지만 번호표를 받고 카운터에서 나와 테이블에 앉으면, 당신은 짝사랑 상대 😍 와 그 "작업" ⏯ 🤓 에 번갈아가며 🔀 집중합니다. 그러면 당신은 다시 짝사랑 상대 😍 에게 작업을 거는 매우 "생산적인" 일 🤓 을 합니다.
점원 💁 이 카운터 화면에 당신의 번호를 표시함으로써 "버거 🍔 가 준비되었습니다"라고 해도, 당신은 즉시 뛰쳐나가지는 않을 것입니다. 당신은 당신의 번호를 갖고있고, 다른 사람들은 그들의 번호를 갖고있기 때문에, 아무도 당신의 버거 🍔 를 훔쳐가지 않는다는 사실을 알기 때문입니다.
그래서 당신은 짝사랑 상대 😍 가 이야기를 끝낼 때까지 기다린 후 (현재 작업 완료 ⏯ / 진행 중인 작업 처리 🤓 ), 정중하게 미소짓고 버거를 가지러 가겠다고 말합니다 ⏸.
그다음 당신은 카운터에 가서 🔀 , 초기 작업을 이제 완료하고 ⏯ , 버거 🍔 를 받고, 감사하다고 말하고 테이블로 가져옵니다. 이로써 카운터와의 상호작용 단계 / 작업이 종료됩니다 ⏹.
이전 작업인 "버거 받기"가 종료되면 ⏹ "버거 먹기"라는 새로운 작업이 생성됩니다 🔀 ⏯.
### 병렬 버거
이제 "동시 버거"가 아닌 "병렬 버거"를 상상해보십시오.
당신은 짝사랑 상대 😍 와 함께 병렬 패스트푸드 🍔 를 먹으러 갔습니다.
당신은 여러명(8명이라고 가정합니다)의 점원이 당신 앞 사람들의 주문을 받으며 동시에 요리 👩‍🍳👨‍🍳👩‍🍳👨‍🍳👩‍🍳👨‍🍳👩‍🍳👨‍🍳 도 하는 동안 줄을 서서 기다립니다.
당신 앞 모든 사람들이 버거가 준비될 때까지 카운터에서 떠나지 않고 기다립니다 🕙 . 왜냐하면 8명의 직원들이 다음 주문을 받기 전에 버거를 준비하러 가기 때문입니다.
마침내 당신의 차례가 왔고, 당신은 당신과 짝사랑 상대 😍 를 위한 두 개의 고급스러운 버거 🍔 를 주문합니다.
당신이 비용을 지불합니다 💸 .
점원이 주방에 갑니다 👨‍🍳 .
당신은 번호표가 없기 때문에 누구도 당신의 버거 🍔 를 대신 가져갈 수 없도록 카운터에 서서 기다립니다 🕙 .
당신과 짝사랑 상대 😍 는 다른 사람이 새치기해서 버거를 가져가지 못하게 하느라 바쁘기 때문에 🕙 , 짝사랑 상대에게 주의를 기울일 수 없습니다 😞 .
이것은 "동기" 작업이고, 당신은 점원/요리사 👨‍🍳 와 "동기화" 되었습니다. 당신은 기다리고 🕙 , 점원/요리사 👨‍🍳 가 버거 🍔 준비를 완료한 후 당신에게 주거나, 누군가가 그것을 가져가는 그 순간에 그 곳에 있어야합니다.
카운터 앞에서 오랫동안 기다린 후에 🕙 , 점원/요리사 👨‍🍳 가 당신의 버거 🍔 를 가지고 돌아옵니다.
당신은 버거를 받고 짝사랑 상대와 함께 테이블로 돌아옵니다.
단지 먹기만 하다가, 다 먹었습니다 🍔 ⏹.
카운터 앞에서 기다리면서 🕙 너무 많은 시간을 허비했기 때문에 대화를 하거나 작업을 걸 시간이 거의 없었습니다 😞 .
---
이 병렬 버거 시나리오에서, 당신은 기다리고 🕙 , 오랜 시간동안 "카운터에서 기다리는" 🕙 데에 주의를 기울이는 ⏯ 두 개의 프로세서(당신과 짝사랑 상대😍)를 가진 컴퓨터 / 프로그램 🤖 입니다.
패스트푸드점에는 8개의 프로세서(점원/요리사) 👩‍🍳👨‍🍳👩‍🍳👨‍🍳👩‍🍳👨‍🍳👩‍🍳👨‍🍳 가 있습니다. 동시 버거는 단 두 개(한 명의 직원과 한 명의 요리사) 💁 👨‍🍳 만을 가지고 있었습니다.
하지만 여전히, 병렬 버거 예시가 최선은 아닙니다 😞 .
---
이 예시는 버거🍔 이야기와 결이 같습니다.
더 "현실적인" 예시로, 은행을 상상해보십시오.
최근까지, 대다수의 은행에는 다수의 은행원들 👨‍💼👨‍💼👨‍💼👨‍💼 과 긴 줄 🕙🕙🕙🕙🕙🕙🕙🕙 이 있습니다.
모든 은행원들은 한 명 한 명의 고객들을 차례로 상대합니다 👨‍💼⏯ .
그리고 당신은 오랫동안 줄에서 기다려야하고 🕙 , 그렇지 않으면 당신의 차례를 잃게 됩니다.
아마 당신은 은행 🏦 심부름에 짝사랑 상대 😍 를 데려가고 싶지는 않을 것입니다.
### 버거 예시의 결론
"짝사랑 상대와의 패스트푸드점 버거" 시나리오에서, 오랜 기다림 🕙 이 있기 때문에 동시 시스템 ⏸🔀⏯ 을 사용하는 것이 더 합리적입니다.
대다수의 웹 응용프로그램의 경우가 그러합니다.
매우 많은 수의 유저가 있지만, 서버는 그들의 요청을 전송하기 위해 그닥-좋지-않은 연결을 기다려야 합니다 🕙 .
그리고 응답이 돌아올 때까지 다시 기다려야 합니다 🕙 .
이 "기다림" 🕙 은 마이크로초 단위이지만, 모두 더해지면, 결국에는 매우 긴 대기시간이 됩니다.
따라서 웹 API를 위해 비동기 ⏸🔀⏯ 코드를 사용하는 것이 합리적입니다.
대부분의 존재하는 유명한 파이썬 프레임워크 (Flask와 Django 등)은 새로운 비동기 기능들이 파이썬에 존재하기 전에 만들어졌습니다. 그래서, 그들의 배포 방식은 병렬 실행과 새로운 기능만큼 강력하지는 않은 예전 버전의 비동기 실행을 지원합니다.
비동기 웹 파이썬(ASGI)에 대한 주요 명세가 웹소켓을 지원하기 위해 Django에서 개발 되었음에도 그렇습니다.
이러한 종류의 비동기성은 (NodeJS는 병렬적이지 않음에도) NodeJS가 사랑받는 이유이고, 프로그래밍 언어로서의 Go의 강점입니다.
그리고 **FastAPI**를 사용함으로써 동일한 성능을 낼 수 있습니다.
또한 병렬성과 비동기성을 동시에 사용할 수 있기 때문에, 대부분의 테스트가 완료된 NodeJS 프레임워크보다 더 높은 성능을 얻고 C에 더 가까운 컴파일 언어인 Go와 동등한 성능을 얻을 수 있습니다<a href="https://www.techempower.com/benchmarks/#section=data-r17&hw=ph&test=query&l=zijmkf-1" class="external-link" target="_blank">(모두 Starlette 덕분입니다)</a>.
### 동시성이 병렬성보다 더 나은가?
그렇지 않습니다! 그것이 이야기의 교훈은 아닙니다.
동시성은 병렬성과 다릅니다. 그리고 그것은 많은 대기를 필요로하는 **특정한** 시나리오에서는 더 낫습니다. 이로 인해, 웹 응용프로그램 개발에서 동시성이 병렬성보다 일반적으로 훨씬 낫습니다. 하지만 모든 경우에 그런 것은 아닙니다.
따라서, 균형을 맞추기 위해, 다음의 짧은 이야기를 상상해보십시오:
> 당신은 크고, 더러운 집을 청소해야합니다.
*네, 이게 전부입니다*.
---
어디에도 대기 🕙 는 없고, 집안 곳곳에서 해야하는 많은 작업들만 있습니다.
버거 예시처럼 처음에는 거실, 그 다음은 부엌과 같은 식으로 순서를 정할 수도 있으나, 무엇도 기다리지 🕙 않고 계속해서 청소 작업만 수행하기 때문에, 순서는 아무런 영향을 미치지 않습니다.
순서가 있든 없든 동일한 시간이 소요될 것이고(동시성) 동일한 양의 작업을 하게 될 것입니다.
하지만 이 경우에서, 8명의 전(前)-점원/요리사이면서-현(現)-청소부 👩‍🍳👨‍🍳👩‍🍳👨‍🍳👩‍🍳👨‍🍳👩‍🍳👨‍🍳 를 고용할 수 있고, 그들 각자(그리고 당신)가 집의 한 부분씩 맡아 청소를 한다면, 당신은 **병렬적**으로 작업을 수행할 수 있고, 조금의 도움이 있다면, 훨씬 더 빨리 끝낼 수 있습니다.
이 시나리오에서, (당신을 포함한) 각각의 청소부들은 프로세서가 될 것이고, 각자의 역할을 수행합니다.
실행 시간의 대부분이 대기가 아닌 실제 작업에 소요되고, 컴퓨터에서 작업은 <abbr title="Central Processing Unit">CPU</abbr>에서 이루어지므로, 이러한 문제를 "CPU에 묶였"다고 합니다.
---
CPU에 묶인 연산에 관한 흔한 예시는 복잡한 수학 처리를 필요로 하는 경우입니다.
예를 들어:
* **오디오** 또는 **이미지** 처리.
* **컴퓨터 비전**: 하나의 이미지는 수백개의 픽셀로 구성되어있고, 각 픽셀은 3개의 값 / 색을 갖고 있으며, 일반적으로 해당 픽셀들에 대해 동시에 무언가를 계산해야하는 처리.
* **머신러닝**: 일반적으로 많은 "행렬"과 "벡터" 곱셈이 필요합니다. 거대한 스프레드 시트에 수들이 있고 그 수들을 동시에 곱해야 한다고 생각해보십시오.
* **딥러닝**: 머신러닝의 하위영역으로, 동일한 예시가 적용됩니다. 단지 이 경우에는 하나의 스프레드 시트에 곱해야할 수들이 있는 것이 아니라, 거대한 세트의 스프레드 시트들이 있고, 많은 경우에, 이 모델들을 만들고 사용하기 위해 특수한 프로세서를 사용합니다.
### 동시성 + 병렬성: 웹 + 머신러닝
**FastAPI**를 사용하면 웹 개발에서는 매우 흔한 동시성의 이점을 (NodeJS의 주된 매력만큼) 얻을 수 있습니다.
뿐만 아니라 머신러닝 시스템과 같이 **CPU에 묶인** 작업을 위해 병렬성과 멀티프로세싱(다수의 프로세스를 병렬적으로 동작시키는 것)을 이용하는 것도 가능합니다.
파이썬이 **데이터 사이언스**, 머신러닝과 특히 딥러닝에 의 주된 언어라는 간단한 사실에 더해서, 이것은 FastAPI를 데이터 사이언스 / 머신러닝 웹 API와 응용프로그램에 (다른 것들보다) 좋은 선택지가 되게 합니다.
배포시 병렬을 어떻게 가능하게 하는지 알고싶다면, [배포](/ko/deployment){.internal-link target=_blank}문서를 참고하십시오.
## `async`와 `await`
최신 파이썬 버전에는 비동기 코드를 정의하는 매우 직관적인 방법이 있습니다. 이는 이것을 평범한 "순차적" 코드로 보이게 하고, 적절한 순간에 당신을 위해 "대기"합니다.
연산이 결과를 전달하기 전에 대기를 해야하고 새로운 파이썬 기능들을 지원한다면, 이렇게 코드를 작성할 수 있습니다:
```Python
burgers = await get_burgers(2)
```
여기서 핵심은 `await`입니다. 이것은 파이썬에게 `burgers` 결과를 저장하기 이전에 `get_burgers(2)`의 작업이 완료되기를 🕙 기다리라고 ⏸ 말합니다. 이로 인해, 파이썬은 그동안 (다른 요청을 받는 것과 같은) 다른 작업을 수행해도 된다는 것을 🔀 ⏯ 알게될 것입니다.
`await`가 동작하기 위해, 이것은 비동기를 지원하는 함수 내부에 있어야 합니다. 이를 위해서 함수를 `async def`를 사용해 정의하기만 하면 됩니다:
```Python hl_lines="1"
async def get_burgers(number: int):
# Do some asynchronous stuff to create the burgers
return burgers
```
...`def`를 사용하는 대신:
```Python hl_lines="2"
# This is not asynchronous
def get_sequential_burgers(number: int):
# Do some sequential stuff to create the burgers
return burgers
```
`async def`를 사용하면, 파이썬은 해당 함수 내에서 `await` 표현에 주의해야한다는 사실과, 해당 함수의 실행을 "일시정지"⏸하고 다시 돌아오기 전까지 다른 작업을 수행🔀할 수 있다는 것을 알게됩니다.
`async def`f 함수를 호출하고자 할 때, "대기"해야합니다. 따라서, 아래는 동작하지 않습니다.
```Python
# This won't work, because get_burgers was defined with: async def
burgers = get_burgers(2)
```
---
따라서, `await`f를 사용해서 호출할 수 있는 라이브러리를 사용한다면, 다음과 같이 `async def`를 사용하는 *경로 작동 함수*를 생성해야 합니다:
```Python hl_lines="2-3"
@app.get('/burgers')
async def read_burgers():
burgers = await get_burgers(2)
return burgers
```
### 더 세부적인 기술적 사항
`await`가 `async def`를 사용하는 함수 내부에서만 사용이 가능하다는 것을 눈치채셨을 것입니다.
하지만 동시에, `async def`로 정의된 함수들은 "대기"되어야만 합니다. 따라서, `async def`를 사용한 함수들은 역시 `async def`를 사용한 함수 내부에서만 호출될 수 있습니다.
그렇다면 닭이 먼저냐, 달걀이 먼저냐, 첫 `async` 함수를 어떻게 호출할 수 있겠습니까?
**FastAPI**를 사용해 작업한다면 이것을 걱정하지 않아도 됩니다. 왜냐하면 그 "첫" 함수는 당신의 *경로 작동 함수*가 될 것이고, FastAPI는 어떻게 올바르게 처리할지 알고있기 때문입니다.
하지만 FastAPI를 사용하지 않고 `async` / `await`를 사용하고 싶다면, 이 역시 가능합니다.
### 당신만의 비동기 코드 작성하기
Starlette(그리고 FastAPI)는 <a href="https://anyio.readthedocs.io/en/stable/" class="external-link" target="_blank">AnyIO</a>를 기반으로 하고있고, 따라서 파이썬 표준 라이브러리인 <a href="https://docs.python.org/3/library/asyncio-task.html" class="external-link" target="_blank">asyncio</a> 및 <a href="https://trio.readthedocs.io/en/stable/" class="external-link" target="_blank">Trio</a>와 호환됩니다.
특히, 코드에서 고급 패턴이 필요한 고급 동시성을 사용하는 경우 직접적으로 <a href="https://anyio.readthedocs.io/en/stable/" class="external-link" target="_blank">AnyIO</a>를 사용할 수 있습니다.
FastAPI를 사용하지 않더라도, 높은 호환성 및 <a href="https://anyio.readthedocs.io/en/stable/" class="external-link" target="_blank">AnyIO</a>의 이점(예: *구조화된 동시성*)을 취하기 위해 <a href="https://anyio.readthedocs.io/en/stable/" class="external-link" target="_blank">AnyIO</a>를 사용해 비동기 응용프로그램을 작성할 수 있습니다.
### 비동기 코드의 다른 형태
파이썬에서 `async`와 `await`를 사용하게 된 것은 비교적 최근의 일입니다.
하지만 이로 인해 비동기 코드 작업이 훨씬 간단해졌습니다.
같은 (또는 거의 유사한) 문법은 최신 버전의 자바스크립트(브라우저와 NodeJS)에도 추가되었습니다.
하지만 그 이전에, 비동기 코드를 처리하는 것은 꽤 복잡하고 어려운 일이었습니다.
파이썬의 예전 버전이라면, 스레드 또는 <a href="https://www.gevent.org/" class="external-link" target="_blank">Gevent</a>를 사용할 수 있을 것입니다. 하지만 코드를 이해하고, 디버깅하고, 이에 대해 생각하는게 훨씬 복잡합니다.
예전 버전의 NodeJS / 브라우저 자바스크립트라면, "콜백 함수"를 사용했을 것입니다. 그리고 이로 인해 <a href="http://callbackhell.com/" class="external-link" target="_blank">콜백 지옥</a>에 빠지게 될 수 있습니다.
## 코루틴
**코루틴**은 `async def` 함수가 반환하는 것을 칭하는 매우 고급스러운 용어일 뿐입니다. 파이썬은 그것이 시작되고 어느 시점에서 완료되지만 내부에 `await`가 있을 때마다 내부적으로 일시정지⏸될 수도 있는 함수와 유사한 것이라는 사실을 알고있습니다.
그러나 `async` 및 `await`와 함께 비동기 코드를 사용하는 이 모든 기능들은 "코루틴"으로 간단히 요약됩니다. 이것은 Go의 주된 핵심 기능인 "고루틴"에 견줄 수 있습니다.
## 결론
상기 문장을 다시 한 번 봅시다:
> 최신 파이썬 버전은 **`async` 및 `await`** 문법과 함께 **“코루틴”**이라고 하는 것을 사용하는 **“비동기 코드”**를 지원합니다.
이제 이 말을 조금 더 이해할 수 있을 것입니다. ✨
이것이 (Starlette을 통해) FastAPI를 강하게 하면서 그것이 인상적인 성능을 낼 수 있게 합니다.
## 매우 세부적인 기술적 사항
!!! warning "경고"
이 부분은 넘어가도 됩니다.
이것들은 **FastAPI**가 내부적으로 어떻게 동작하는지에 대한 매우 세부적인 기술사항입니다.
만약 기술적 지식(코루틴, 스레드, 블록킹 등)이 있고 FastAPI가 어떻게 `async def` vs `def`를 다루는지 궁금하다면, 계속하십시오.
### 경로 작동 함수
경로 작동 함수를 `async def` 대신 일반적인 `def`로 선언하는 경우, (서버를 차단하는 것처럼) 그것을 직접 호출하는 대신 대기중인 외부 스레드풀에서 실행됩니다.
만약 상기에 묘사된대로 동작하지 않는 비동기 프로그램을 사용해왔고 약간의 성능 향상 (약 100 나노초)을 위해 `def`를 사용해서 계산만을 위한 사소한 *경로 작동 함수*를 정의해왔다면, **FastAPI**는 이와는 반대라는 것에 주의하십시오. 이러한 경우에, *경로 작동 함수*가 블로킹 <abbr title="Input/Output: 디스크 읽기 또는 쓰기, 네트워크 통신.">I/O</abbr>를 수행하는 코드를 사용하지 않는 한 `async def`를 사용하는 편이 더 낫습니다.
하지만 두 경우 모두, FastAPI가 당신이 전에 사용하던 프레임워크보다 [더 빠를](/#performance){.internal-link target=_blank} (최소한 비견될) 확률이 높습니다.
### 의존성
의존성에도 동일하게 적용됩니다. 의존성이 `async def`가 아닌 표준 `def` 함수라면, 외부 스레드풀에서 실행됩니다.
### 하위-의존성
함수 정의시 매개변수로 서로를 필요로하는 다수의 의존성과 하위-의존성을 가질 수 있고, 그 중 일부는 `async def`로, 다른 일부는 일반적인 `def`로 생성되었을 수 있습니다. 이것은 여전히 잘 동작하고, 일반적인 `def`로 생성된 것들은 "대기"되는 대신에 (스레드풀로부터) 외부 스레드에서 호출됩니다.
### 다른 유틸리티 함수
직접 호출되는 다른 모든 유틸리티 함수는 일반적인 `def`나 `async def`로 생성될 수 있고 FastAPI는 이를 호출하는 방식에 영향을 미치지 않습니다.
이것은 FastAPI가 당신을 위해 호출하는 함수와는 반대입니다: *경로 작동 함수*와 의존성
만약 당신의 유틸리티 함수가 `def`를 사용한 일반적인 함수라면, 스레드풀에서가 아니라 직접 호출(당신이 코드에 작성한 대로)될 것이고, `async def`로 생성된 함수라면 코드에서 호출할 때 그 함수를 `await` 해야 합니다.
---
다시 말하지만, 이것은 당신이 이것에 대해 찾고있던 경우에 한해 유용할 매우 세부적인 기술사항입니다.
그렇지 않은 경우, 상기의 가이드라인만으로도 충분할 것입니다: [바쁘신 경우](#in-a-hurry).

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