🎨 Auto format

README.md

@@ -164,6 +164,8 @@ $ pip install "fastapi[standard]"
 Create a file `main.py` with:
 
 ```Python
+from typing import Union
+
 from fastapi import FastAPI
 
 app = FastAPI()
@@ -175,7 +177,7 @@ def read_root():
 
 
 @app.get("/items/{item_id}")
-def read_item(item_id: int, q: str | None = None):
+def read_item(item_id: int, q: Union[str, None] = None):
     return {"item_id": item_id, "q": q}
 ```
 
@@ -184,7 +186,9 @@ def read_item(item_id: int, q: str | None = None):
 
 If your code uses `async` / `await`, use `async def`:
 
-```Python hl_lines="7  12"
+```Python hl_lines="9  14"
+from typing import Union
+
 from fastapi import FastAPI
 
 app = FastAPI()
@@ -196,7 +200,7 @@ async def read_root():
 
 
 @app.get("/items/{item_id}")
-async def read_item(item_id: int, q: str | None = None):
+async def read_item(item_id: int, q: Union[str, None] = None):
     return {"item_id": item_id, "q": q}
 ```
 
@@ -287,7 +291,9 @@ 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"
+```Python hl_lines="4  9-12  25-27"
+from typing import Union
+
 from fastapi import FastAPI
 from pydantic import BaseModel
 
@@ -297,7 +303,7 @@ app = FastAPI()
 class Item(BaseModel):
     name: str
     price: float
-    is_offer: bool | None = None
+    is_offer: Union[bool, None] = None
 
 
 @app.get("/")
@@ -306,7 +312,7 @@ def read_root():
 
 
 @app.get("/items/{item_id}")
-def read_item(item_id: int, q: str | None = None):
+def read_item(item_id: int, q: Union[str, None] = None):
     return {"item_id": item_id, "q": q}
 
 

docs/de/docs/_llm-test.md

@@ -189,7 +189,7 @@ Siehe Abschnitt `### Links` im allgemeinen Prompt in `scripts/translate.py`.
 
 ////
 
-## HTML-„abbr“-Elemente { #html-abbr-elements }
+## HTML „abbr“-Elemente { #html-abbr-elements }
 
 //// tab | Test
 

docs/de/docs/tutorial/bigger-applications.md

@@ -56,19 +56,19 @@ from app.routers import items
 
 Die gleiche Dateistruktur mit Kommentaren:
 
-```bash
+```
 .
-├── app                  # "app" ist ein Python-Package
+├── app                  # „app“ ist ein Python-Package
-│   ├── __init__.py      # diese Datei macht "app" zu einem "Python-Package"
+│   ├── __init__.py      # diese Datei macht „app“ zu einem „Python-Package“
-│   ├── main.py          # "main"-Modul, z. B. import app.main
+│   ├── main.py          # „main“-Modul, z. B. import app.main
-│   ├── dependencies.py  # "dependencies"-Modul, z. B. import app.dependencies
+│   ├── dependencies.py  # „dependencies“-Modul, z. B. import app.dependencies
-│   └── routers          # "routers" ist ein "Python-Subpackage"
+│   └── routers          # „routers“ ist ein „Python-Subpackage“
-│   │   ├── __init__.py  # macht "routers" zu einem "Python-Subpackage"
+│   │   ├── __init__.py  # macht „routers“ zu einem „Python-Subpackage“
-│   │   ├── items.py     # "items"-Submodul, z. B. import app.routers.items
+│   │   ├── items.py     # „items“-Submodul, z. B. import app.routers.items
-│   │   └── users.py     # "users"-Submodul, z. B. import app.routers.users
+│   │   └── users.py     # „users“-Submodul, z. B. import app.routers.users
-│   └── internal         # "internal" ist ein "Python-Subpackage"
+│   └── internal         # „internal“ ist ein „Python-Subpackage“
-│       ├── __init__.py  # macht "internal" zu einem "Python-Subpackage"
+│       ├── __init__.py  # macht „internal“ zu einem „Python-Subpackage“
-│       └── admin.py     # "admin"-Submodul, z. B. import app.internal.admin
+│       └── admin.py     # „admin“-Submodul, z. B. import app.internal.admin
 ```
 
 ## `APIRouter` { #apirouter }
@@ -479,7 +479,7 @@ $ fastapi dev app/main.py
 
 </div>
 
-Und öffnen Sie die Dokumentation unter <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.
+und öffnen Sie die Dokumentation unter <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.
 
 Sie sehen die automatische API-Dokumentation, einschließlich der Pfade aller Submodule, mit den richtigen Pfaden (und Präfixen) und den richtigen Tags:
 

docs/en/docs/advanced/wsgi.md

@@ -6,13 +6,29 @@ For that, you can use the `WSGIMiddleware` and use it to wrap your WSGI applicat
 
 ## Using `WSGIMiddleware` { #using-wsgimiddleware }
 
-You need to import `WSGIMiddleware`.
+/// info
+
+This requires installing `a2wsgi` for example with `pip install a2wsgi`.
+
+///
+
+You need to import `WSGIMiddleware` from `a2wsgi`.
 
 Then wrap the WSGI (e.g. Flask) app with the middleware.
 
 And then mount that under a path.
 
-{* ../../docs_src/wsgi/tutorial001_py39.py hl[2:3,3] *}
+{* ../../docs_src/wsgi/tutorial001_py39.py hl[1,3,23] *}
+
+/// note
+
+Previously, it was recommended to use `WSGIMiddleware` from `fastapi.middleware.wsgi`, but it is now deprecated.
+
+It’s advised to use the `a2wsgi` package instead. The usage remains the same.
+
+Just ensure that you have the `a2wsgi` package installed and import `WSGIMiddleware` correctly from `a2wsgi`.
+
+///
 
 ## Check it { #check-it }
 

docs/en/docs/deployment/docker.md

@@ -145,6 +145,8 @@ There are other formats and tools to define and install package dependencies.
 * Create a `main.py` file with:
 
 ```Python
+from typing import Union
+
 from fastapi import FastAPI
 
 app = FastAPI()
@@ -156,7 +158,7 @@ def read_root():
 
 
 @app.get("/items/{item_id}")
-def read_item(item_id: int, q: str | None = None):
+def read_item(item_id: int, q: Union[str, None] = None):
     return {"item_id": item_id, "q": q}
 ```
 

docs/en/docs/index.md

@@ -161,6 +161,8 @@ $ pip install "fastapi[standard]"
 Create a file `main.py` with:
 
 ```Python
+from typing import Union
+
 from fastapi import FastAPI
 
 app = FastAPI()
@@ -172,7 +174,7 @@ def read_root():
 
 
 @app.get("/items/{item_id}")
-def read_item(item_id: int, q: str | None = None):
+def read_item(item_id: int, q: Union[str, None] = None):
     return {"item_id": item_id, "q": q}
 ```
 
@@ -181,7 +183,9 @@ def read_item(item_id: int, q: str | None = None):
 
 If your code uses `async` / `await`, use `async def`:
 
-```Python hl_lines="7  12"
+```Python hl_lines="9  14"
+from typing import Union
+
 from fastapi import FastAPI
 
 app = FastAPI()
@@ -193,7 +197,7 @@ async def read_root():
 
 
 @app.get("/items/{item_id}")
-async def read_item(item_id: int, q: str | None = None):
+async def read_item(item_id: int, q: Union[str, None] = None):
     return {"item_id": item_id, "q": q}
 ```
 
@@ -284,7 +288,9 @@ 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"
+```Python hl_lines="4  9-12  25-27"
+from typing import Union
+
 from fastapi import FastAPI
 from pydantic import BaseModel
 
@@ -294,7 +300,7 @@ app = FastAPI()
 class Item(BaseModel):
     name: str
     price: float
-    is_offer: bool | None = None
+    is_offer: Union[bool, None] = None
 
 
 @app.get("/")
@@ -303,7 +309,7 @@ def read_root():
 
 
 @app.get("/items/{item_id}")
-def read_item(item_id: int, q: str | None = None):
+def read_item(item_id: int, q: Union[str, None] = None):
     return {"item_id": item_id, "q": q}
 
 

docs/en/docs/reference/middleware.md

@@ -35,11 +35,3 @@ It can be imported from `fastapi`:
 ```python
 from fastapi.middleware.trustedhost import TrustedHostMiddleware
 ```
-
-::: fastapi.middleware.wsgi.WSGIMiddleware
-
-It can be imported from `fastapi`:
-
-```python
-from fastapi.middleware.wsgi import WSGIMiddleware
-```

docs/en/docs/release-notes.md

@@ -18,8 +18,6 @@ hide:
 
 ### Translations
 
-* 🌐 Update translations for de (update-outdated). PR [#14690](https://github.com/fastapi/fastapi/pull/14690) by [@tiangolo](https://github.com/tiangolo).
-* 🌐 Update LLM prompt for Russian translations. PR [#14733](https://github.com/fastapi/fastapi/pull/14733) by [@YuriiMotov](https://github.com/YuriiMotov).
 * 🌐 Update translations for ru (update-outdated). PR [#14693](https://github.com/fastapi/fastapi/pull/14693) by [@tiangolo](https://github.com/tiangolo).
 * 🌐 Update translations for pt (update-outdated). PR [#14724](https://github.com/fastapi/fastapi/pull/14724) by [@tiangolo](https://github.com/tiangolo).
 * 🌐 Update Korean LLM prompt. PR [#14740](https://github.com/fastapi/fastapi/pull/14740) by [@hard-coders](https://github.com/hard-coders).

docs/en/docs/tutorial/body-multiple-params.md

@@ -102,16 +102,15 @@ Of course, you can also declare additional query parameters whenever you need, a
 
 As, by default, singular values are interpreted as query parameters, you don't have to explicitly add a `Query`, you can just do:
 
-```Python
-q: str | None = None
-```
-
-Or in Python 3.9:
-
 ```Python
 q: Union[str, None] = None
 ```
 
+Or in Python 3.10 and above:
+
+```Python
+q: str | None = None
+```
 
 For example:
 

docs/ru/llm-prompt.md

@@ -90,12 +90,5 @@ For the following technical terms, use these specific translations to ensure con
 * serve (meaning providing access to something): «отдавать» (or `предоставлять доступ к`)
 * recap (noun): резюме
 * utility function: вспомогательная функция
-* fast to code: позволяет быстро писать код
-* Tutorial - User Guide: Учебник - Руководство пользователя
-* submodule: подмодуль
-* subpackage: подпакет
-* router: роутер
-* building, deploying, accessing (when describing features of FastAPI Cloud): созданиe образа, развертывание и доступ
-* type checker tool: инструмент проверки типов
 
 Do not add whitespace in `т.д.`, `т.п.`.

docs_src/wsgi/tutorial001_py39.py

@@ -1,5 +1,5 @@
+from a2wsgi import WSGIMiddleware
 from fastapi import FastAPI
-from fastapi.middleware.wsgi import WSGIMiddleware
 from flask import Flask, request
 from markupsafe import escape
 

fastapi/middleware/wsgi.py

@@ -1 +1,3 @@
-from starlette.middleware.wsgi import WSGIMiddleware as WSGIMiddleware  # noqa
+from starlette.middleware.wsgi import (
+    WSGIMiddleware as WSGIMiddleware,
+)  # pragma: no cover # noqa

pyproject.toml

@@ -178,6 +178,7 @@ tests = [
     "strawberry-graphql>=0.200.0,<1.0.0",
     "types-orjson==3.6.2",
     "types-ujson==5.10.0.20240515",
+    "a2wsgi>=1.9.0,<=2.0.0",
 ]
 translations = [
     "gitpython==3.1.45",

uv.lock

@@ -7,6 +7,18 @@ resolution-markers = [
     "python_full_version < '3.10'",
 ]
 
+[[package]]
+name = "a2wsgi"
+version = "1.10.10"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "typing-extensions", marker = "python_full_version < '3.11'" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/9a/cb/822c56fbea97e9eee201a2e434a80437f6750ebcb1ed307ee3a0a7505b14/a2wsgi-1.10.10.tar.gz", hash = "sha256:a5bcffb52081ba39df0d5e9a884fc6f819d92e3a42389343ba77cbf809fe1f45", size = 18799, upload-time = "2025-06-18T09:00:10.843Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/02/d5/349aba3dc421e73cbd4958c0ce0a4f1aa3a738bc0d7de75d2f40ed43a535/a2wsgi-1.10.10-py3-none-any.whl", hash = "sha256:d2b21379479718539dc15fce53b876251a0efe7615352dfe49f6ad1bc507848d", size = 17389, upload-time = "2025-06-18T09:00:09.676Z" },
+]
+
 [[package]]
 name = "ag-ui-protocol"
 version = "0.1.10"
@@ -1058,6 +1070,7 @@ standard-no-fastapi-cloud-cli = [
 
 [package.dev-dependencies]
 dev = [
+    { name = "a2wsgi" },
     { name = "anyio", extra = ["trio"] },
     { name = "black" },
     { name = "cairosvg" },
@@ -1131,6 +1144,7 @@ github-actions = [
     { name = "smokeshow" },
 ]
 tests = [
+    { name = "a2wsgi" },
     { name = "anyio", extra = ["trio"] },
     { name = "coverage", version = "7.10.7", source = { registry = "https://pypi.org/simple" }, extra = ["toml"], marker = "python_full_version < '3.10'" },
     { name = "coverage", version = "7.13.1", source = { registry = "https://pypi.org/simple" }, extra = ["toml"], marker = "python_full_version >= '3.10'" },
@@ -1197,6 +1211,7 @@ provides-extras = ["standard", "standard-no-fastapi-cloud-cli", "all"]
 
 [package.metadata.requires-dev]
 dev = [
+    { name = "a2wsgi", specifier = ">=1.9.0,<=2.0.0" },
     { name = "anyio", extras = ["trio"], specifier = ">=3.2.1,<5.0.0" },
     { name = "black", specifier = "==25.1.0" },
     { name = "cairosvg", specifier = "==2.8.2" },
@@ -1266,6 +1281,7 @@ github-actions = [
     { name = "smokeshow", specifier = ">=0.5.0" },
 ]
 tests = [
+    { name = "a2wsgi", specifier = ">=1.9.0,<=2.0.0" },
     { name = "anyio", extras = ["trio"], specifier = ">=3.2.1,<5.0.0" },
     { name = "coverage", extras = ["toml"], specifier = ">=6.5.0,<8.0" },
     { name = "dirty-equals", specifier = "==0.9.0" },