🎨 Auto format

[skip ci]

.github/labeler.yml

@@ -31,6 +31,7 @@ internal:
         - .pre-commit-config.yaml
         - pdm_build.py
         - requirements*.txt
+        - uv.lock
         - docs/en/data/sponsors.yml
         - docs/en/overrides/main.html
       - all-globs-to-all-files:

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/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/request.md

@@ -2,6 +2,8 @@
 
 You can declare a parameter in a *path operation function* or dependency to be of type `Request` and then you can access the raw request object directly, without any validation, etc.
 
+Read more about it in the [FastAPI docs about using Request directly](https://fastapi.tiangolo.com/advanced/using-request-directly/)
+
 You can import it directly from `fastapi`:
 
 ```python

docs/en/docs/reference/response.md

@@ -4,6 +4,8 @@ You can declare a parameter in a *path operation function* or dependency to be o
 
 You can also use it directly to create an instance of it and return it from your *path operations*.
 
+Read more about it in the [FastAPI docs about returning a custom Response](https://fastapi.tiangolo.com/advanced/response-directly/#returning-a-custom-response)
+
 You can import it directly from `fastapi`:
 
 ```python

docs/en/docs/reference/responses.md

@@ -56,6 +56,8 @@ There are a couple of custom FastAPI response classes, you can use them to optim
 
 ## Starlette Responses
 
+You can read more about all of them in the [FastAPI docs for Custom Response](https://fastapi.tiangolo.com/advanced/custom-response/) and in the [Starlette docs about Responses](https://starlette.dev/responses/).
+
 ::: fastapi.responses.FileResponse
     options:
         members:

docs/en/docs/reference/security/index.md

@@ -28,6 +28,8 @@ from fastapi.security import (
 )
 ```
 
+Read more about them in the [FastAPI docs about Security](https://fastapi.tiangolo.com/tutorial/security/).
+
 ## API Key Security Schemes
 
 ::: fastapi.security.APIKeyCookie

docs/en/docs/reference/websockets.md

@@ -2,6 +2,8 @@
 
 When defining WebSockets, you normally declare a parameter of type `WebSocket` and with it you can read data from the client and send data to it.
 
+Read more about it in the [FastAPI docs for WebSockets](https://fastapi.tiangolo.com/advanced/websockets/)
+
 It is provided directly by Starlette, but you can import it from `fastapi`:
 
 ```python
@@ -44,16 +46,6 @@ When you want to define dependencies that should be compatible with both HTTP an
             - send_json
             - close
 
-When a client disconnects, a `WebSocketDisconnect` exception is raised, you can catch it.
-
-You can import it directly form `fastapi`:
-
-```python
-from fastapi import WebSocketDisconnect
-```
-
-::: fastapi.WebSocketDisconnect
-
 ## WebSockets - additional classes
 
 Additional classes for handling WebSockets.
@@ -66,4 +58,16 @@ from fastapi.websockets import WebSocketDisconnect, WebSocketState
 
 ::: fastapi.websockets.WebSocketDisconnect
 
+When a client disconnects, a `WebSocketDisconnect` exception is raised, you can catch it.
+
+You can import it directly form `fastapi`:
+
+```python
+from fastapi import WebSocketDisconnect
+```
+
+Read more about it in the [FastAPI docs for WebSockets](https://fastapi.tiangolo.com/advanced/websockets/#handling-disconnections-and-multiple-clients)
+
 ::: fastapi.websockets.WebSocketState
+
+`WebSocketState` is an enumeration of the possible states of a WebSocket connection.

docs/en/docs/release-notes.md

@@ -36,6 +36,7 @@ hide:
 
 ### Internal
 
+* 🔧 Ensure that an edit to `uv.lock` gets the `internal` label. PR [#14759](https://github.com/fastapi/fastapi/pull/14759) by [@svlandeg](https://github.com/svlandeg).
 * 🔧 Update sponsors: remove Requestly. PR [#14735](https://github.com/fastapi/fastapi/pull/14735) by [@tiangolo](https://github.com/tiangolo).
 * 🔧 Update sponsors, LambdaTest changes to TestMu AI. PR [#14734](https://github.com/fastapi/fastapi/pull/14734) by [@tiangolo](https://github.com/tiangolo).
 * ⬆ Bump actions/cache from 4 to 5. PR [#14511](https://github.com/fastapi/fastapi/pull/14511) by [@dependabot[bot]](https://github.com/apps/dependabot).

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:
 

fastapi/applications.py

@@ -672,7 +672,7 @@ class FastAPI(Starlette):
                 in the autogenerated OpenAPI using the `root_path`.
 
                 Read more about it in the
-                [FastAPI docs for Behind a Proxy](https://fastapi.tiangolo.com/advanced/behind-a-proxy/#disable-automatic-server-from-root_path).
+                [FastAPI docs for Behind a Proxy](https://fastapi.tiangolo.com/advanced/behind-a-proxy/#disable-automatic-server-from-root-path).
 
                 **Example**
 
@@ -739,7 +739,7 @@ class FastAPI(Starlette):
                 It will be added to the generated OpenAPI (e.g. visible at `/docs`).
 
                 Read more about it in the
-                [FastAPI docs for Path Operation Configuration](https://fastapi.tiangolo.com/tutorial/path-operation-configuration/).
+                [FastAPI docs for Path Operation Configuration](https://fastapi.tiangolo.com/tutorial/path-operation-configuration/#deprecate-a-path-operation).
                 """
             ),
         ] = None,
@@ -812,6 +812,9 @@ class FastAPI(Starlette):
 
                 In this case, there would be two different schemas, one for input and
                 another one for output.
+
+                Read more about it in the
+                [FastAPI docs about how to separate schemas for input and output](https://fastapi.tiangolo.com/how-to/separate-openapi-schemas)
                 """
             ),
         ] = True,

fastapi/exceptions.py

@@ -49,6 +49,9 @@ class HTTPException(StarletteHTTPException):
             Doc(
                 """
                 HTTP status code to send to the client.
+
+                Read more about it in the
+                [FastAPI docs for Handling Errors](https://fastapi.tiangolo.com/tutorial/handling-errors/#use-httpexception)
                 """
             ),
         ],
@@ -58,6 +61,9 @@ class HTTPException(StarletteHTTPException):
                 """
                 Any data to be sent to the client in the `detail` key of the JSON
                 response.
+
+                Read more about it in the
+                [FastAPI docs for Handling Errors](https://fastapi.tiangolo.com/tutorial/handling-errors/#use-httpexception)
                 """
             ),
         ] = None,
@@ -66,6 +72,10 @@ class HTTPException(StarletteHTTPException):
             Doc(
                 """
                 Any headers to send to the client in the response.
+
+                Read more about it in the
+                [FastAPI docs for Handling Errors](https://fastapi.tiangolo.com/tutorial/handling-errors/#add-custom-headers)
+
                 """
             ),
         ] = None,

fastapi/openapi/docs.py

@@ -33,6 +33,9 @@ def get_swagger_ui_html(
 
             This is normally done automatically by FastAPI using the default URL
             `/openapi.json`.
+
+            Read more about it in the
+            [FastAPI docs for Conditional OpenAPI](https://fastapi.tiangolo.com/how-to/conditional-openapi/#conditional-openapi-from-settings-and-env-vars)
             """
         ),
     ],
@@ -41,6 +44,9 @@ def get_swagger_ui_html(
         Doc(
             """
             The HTML `<title>` content, normally shown in the browser tab.
+
+            Read more about it in the
+            [FastAPI docs for Custom Docs UI Static Assets](https://fastapi.tiangolo.com/how-to/custom-docs-ui-assets/)
             """
         ),
     ],
@@ -51,6 +57,9 @@ def get_swagger_ui_html(
             The URL to use to load the Swagger UI JavaScript.
 
             It is normally set to a CDN URL.
+
+            Read more about it in the
+            [FastAPI docs for Custom Docs UI Static Assets](https://fastapi.tiangolo.com/how-to/custom-docs-ui-assets/)
             """
         ),
     ] = "https://cdn.jsdelivr.net/npm/swagger-ui-dist@5/swagger-ui-bundle.js",
@@ -61,6 +70,9 @@ def get_swagger_ui_html(
             The URL to use to load the Swagger UI CSS.
 
             It is normally set to a CDN URL.
+
+            Read more about it in the
+            [FastAPI docs for Custom Docs UI Static Assets](https://fastapi.tiangolo.com/how-to/custom-docs-ui-assets/)
             """
         ),
     ] = "https://cdn.jsdelivr.net/npm/swagger-ui-dist@5/swagger-ui.css",
@@ -77,6 +89,9 @@ def get_swagger_ui_html(
         Doc(
             """
             The OAuth2 redirect URL, it is normally automatically handled by FastAPI.
+
+            Read more about it in the
+            [FastAPI docs for Custom Docs UI Static Assets](https://fastapi.tiangolo.com/how-to/custom-docs-ui-assets/)
             """
         ),
     ] = None,
@@ -85,6 +100,9 @@ def get_swagger_ui_html(
         Doc(
             """
             A dictionary with Swagger UI OAuth2 initialization configurations.
+
+            Read more about the available configuration options in the
+            [Swagger UI docs](https://swagger.io/docs/open-source-tools/swagger-ui/usage/oauth2/).
             """
         ),
     ] = None,
@@ -95,6 +113,9 @@ def get_swagger_ui_html(
             Configuration parameters for Swagger UI.
 
             It defaults to [swagger_ui_default_parameters][fastapi.openapi.docs.swagger_ui_default_parameters].
+
+            Read more about it in the
+            [FastAPI docs about how to Configure Swagger UI](https://fastapi.tiangolo.com/how-to/configure-swagger-ui/).
             """
         ),
     ] = None,
@@ -168,6 +189,9 @@ def get_redoc_html(
 
             This is normally done automatically by FastAPI using the default URL
             `/openapi.json`.
+
+            Read more about it in the
+            [FastAPI docs for Conditional OpenAPI](https://fastapi.tiangolo.com/how-to/conditional-openapi/#conditional-openapi-from-settings-and-env-vars)
             """
         ),
     ],
@@ -176,6 +200,9 @@ def get_redoc_html(
         Doc(
             """
             The HTML `<title>` content, normally shown in the browser tab.
+
+            Read more about it in the
+            [FastAPI docs for Custom Docs UI Static Assets](https://fastapi.tiangolo.com/how-to/custom-docs-ui-assets/)
             """
         ),
     ],
@@ -186,6 +213,9 @@ def get_redoc_html(
             The URL to use to load the ReDoc JavaScript.
 
             It is normally set to a CDN URL.
+
+            Read more about it in the
+            [FastAPI docs for Custom Docs UI Static Assets](https://fastapi.tiangolo.com/how-to/custom-docs-ui-assets/)
             """
         ),
     ] = "https://cdn.jsdelivr.net/npm/redoc@2/bundles/redoc.standalone.js",

fastapi/param_functions.py

@@ -79,6 +79,9 @@ def Path(  # noqa: N802
         Doc(
             """
             Human-readable title.
+
+            Read more about it in the
+            [FastAPI docs for Path Parameters and Numeric Validations](https://fastapi.tiangolo.com/tutorial/path-params-numeric-validations/#declare-metadata)
             """
         ),
     ] = None,
@@ -96,6 +99,9 @@ def Path(  # noqa: N802
             """
             Greater than. If set, value must be greater than this. Only applicable to
             numbers.
+
+            Read more about it in the
+            [FastAPI docs about Path parameters numeric validations](https://fastapi.tiangolo.com/tutorial/path-params-numeric-validations/#number-validations-greater-than-and-less-than-or-equal)
             """
         ),
     ] = None,
@@ -105,6 +111,9 @@ def Path(  # noqa: N802
             """
             Greater than or equal. If set, value must be greater than or equal to
             this. Only applicable to numbers.
+
+            Read more about it in the
+            [FastAPI docs about Path parameters numeric validations](https://fastapi.tiangolo.com/tutorial/path-params-numeric-validations/#number-validations-greater-than-and-less-than-or-equal)
             """
         ),
     ] = None,
@@ -113,6 +122,9 @@ def Path(  # noqa: N802
         Doc(
             """
             Less than. If set, value must be less than this. Only applicable to numbers.
+
+            Read more about it in the
+            [FastAPI docs about Path parameters numeric validations](https://fastapi.tiangolo.com/tutorial/path-params-numeric-validations/#number-validations-greater-than-and-less-than-or-equal)
             """
         ),
     ] = None,
@@ -122,6 +134,9 @@ def Path(  # noqa: N802
             """
             Less than or equal. If set, value must be less than or equal to this.
             Only applicable to numbers.
+
+            Read more about it in the
+            [FastAPI docs about Path parameters numeric validations](https://fastapi.tiangolo.com/tutorial/path-params-numeric-validations/#number-validations-greater-than-and-less-than-or-equal)
             """
         ),
     ] = None,
@@ -213,6 +228,9 @@ def Path(  # noqa: N802
         Doc(
             """
             Example values for this field.
+
+            Read more about it in the
+            [FastAPI docs for Declare Request Example Data](https://fastapi.tiangolo.com/tutorial/schema-extra-example/)
             """
         ),
     ] = None,
@@ -343,6 +361,9 @@ def Query(  # noqa: N802
         Doc(
             """
             Default value if the parameter field is not set.
+
+            Read more about it in the
+            [FastAPI docs about Query parameters](https://fastapi.tiangolo.com/tutorial/query-params-str-validations/#alternative-old-query-as-the-default-value)
             """
         ),
     ] = Undefined,
@@ -367,6 +388,9 @@ def Query(  # noqa: N802
             This will be used to extract the data and for the generated OpenAPI.
             It is particularly useful when you can't use the name you want because it
             is a Python reserved keyword or similar.
+
+            Read more about it in the
+            [FastAPI docs about Query parameters](https://fastapi.tiangolo.com/tutorial/query-params-str-validations/#alias-parameters)
             """
         ),
     ] = None,
@@ -402,6 +426,9 @@ def Query(  # noqa: N802
         Doc(
             """
             Human-readable title.
+
+            Read more about it in the
+            [FastAPI docs about Query parameters](https://fastapi.tiangolo.com/tutorial/query-params-str-validations/#declare-more-metadata)
             """
         ),
     ] = None,
@@ -410,6 +437,9 @@ def Query(  # noqa: N802
         Doc(
             """
             Human-readable description.
+
+            Read more about it in the
+            [FastAPI docs about Query parameters](https://fastapi.tiangolo.com/tutorial/query-params-str-validations/#declare-more-metadata)
             """
         ),
     ] = None,
@@ -419,6 +449,9 @@ def Query(  # noqa: N802
             """
             Greater than. If set, value must be greater than this. Only applicable to
             numbers.
+
+            Read more about it in the
+            [FastAPI docs about Path parameters numeric validations](https://fastapi.tiangolo.com/tutorial/path-params-numeric-validations/#number-validations-greater-than-and-less-than-or-equal)
             """
         ),
     ] = None,
@@ -428,6 +461,9 @@ def Query(  # noqa: N802
             """
             Greater than or equal. If set, value must be greater than or equal to
             this. Only applicable to numbers.
+
+            Read more about it in the
+            [FastAPI docs about Path parameters numeric validations](https://fastapi.tiangolo.com/tutorial/path-params-numeric-validations/#number-validations-greater-than-and-less-than-or-equal)
             """
         ),
     ] = None,
@@ -436,6 +472,9 @@ def Query(  # noqa: N802
         Doc(
             """
             Less than. If set, value must be less than this. Only applicable to numbers.
+
+            Read more about it in the
+            [FastAPI docs about Path parameters numeric validations](https://fastapi.tiangolo.com/tutorial/path-params-numeric-validations/#number-validations-greater-than-and-less-than-or-equal)
             """
         ),
     ] = None,
@@ -445,6 +484,9 @@ def Query(  # noqa: N802
             """
             Less than or equal. If set, value must be less than or equal to this.
             Only applicable to numbers.
+
+            Read more about it in the
+            [FastAPI docs about Path parameters numeric validations](https://fastapi.tiangolo.com/tutorial/path-params-numeric-validations/#number-validations-greater-than-and-less-than-or-equal)
             """
         ),
     ] = None,
@@ -453,6 +495,9 @@ def Query(  # noqa: N802
         Doc(
             """
             Minimum length for strings.
+
+            Read more about it in the
+            [FastAPI docs about Query parameters](https://fastapi.tiangolo.com/tutorial/query-params-str-validations/)
             """
         ),
     ] = None,
@@ -461,6 +506,9 @@ def Query(  # noqa: N802
         Doc(
             """
             Maximum length for strings.
+
+            Read more about it in the
+            [FastAPI docs about Query parameters](https://fastapi.tiangolo.com/tutorial/query-params-str-validations/)
             """
         ),
     ] = None,
@@ -469,6 +517,9 @@ def Query(  # noqa: N802
         Doc(
             """
             RegEx pattern for strings.
+
+            Read more about it in the
+            [FastAPI docs about Query parameters](https://fastapi.tiangolo.com/tutorial/query-params-str-validations/#add-regular-expressions
             """
         ),
     ] = None,
@@ -536,6 +587,9 @@ def Query(  # noqa: N802
         Doc(
             """
             Example values for this field.
+
+            Read more about it in the
+            [FastAPI docs for Declare Request Example Data](https://fastapi.tiangolo.com/tutorial/schema-extra-example/)
             """
         ),
     ] = None,
@@ -570,6 +624,9 @@ def Query(  # noqa: N802
             Mark this parameter field as deprecated.
 
             It will affect the generated OpenAPI (e.g. visible at `/docs`).
+
+            Read more about it in the
+            [FastAPI docs about Query parameters](https://fastapi.tiangolo.com/tutorial/query-params-str-validations/#deprecating-parameters)
             """
         ),
     ] = None,
@@ -581,6 +638,9 @@ def Query(  # noqa: N802
             You probably don't need it, but it's available.
 
             This affects the generated OpenAPI (e.g. visible at `/docs`).
+
+            Read more about it in the
+            [FastAPI docs about Query parameters](https://fastapi.tiangolo.com/tutorial/query-params-str-validations/#exclude-parameters-from-openapi
             """
         ),
     ] = True,
@@ -849,6 +909,9 @@ def Header(  # noqa: N802
         Doc(
             """
             Example values for this field.
+
+            Read more about it in the
+            [FastAPI docs for Declare Request Example Data](https://fastapi.tiangolo.com/tutorial/schema-extra-example/)
             """
         ),
     ] = None,
@@ -1152,6 +1215,9 @@ def Cookie(  # noqa: N802
         Doc(
             """
             Example values for this field.
+
+            Read more about it in the
+            [FastAPI docs for Declare Request Example Data](https://fastapi.tiangolo.com/tutorial/schema-extra-example/)
             """
         ),
     ] = None,
@@ -1477,6 +1543,9 @@ def Body(  # noqa: N802
         Doc(
             """
             Example values for this field.
+
+            Read more about it in the
+            [FastAPI docs for Declare Request Example Data](https://fastapi.tiangolo.com/tutorial/schema-extra-example/)
             """
         ),
     ] = None,
@@ -1790,6 +1859,9 @@ def Form(  # noqa: N802
         Doc(
             """
             Example values for this field.
+
+            Read more about it in the
+            [FastAPI docs for Declare Request Example Data](https://fastapi.tiangolo.com/tutorial/schema-extra-example/)
             """
         ),
     ] = None,
@@ -2102,6 +2174,9 @@ def File(  # noqa: N802
         Doc(
             """
             Example values for this field.
+
+            Read more about it in the
+            [FastAPI docs for Declare Request Example Data](https://fastapi.tiangolo.com/tutorial/schema-extra-example/)
             """
         ),
     ] = None,
@@ -2215,6 +2290,9 @@ def Depends(  # noqa: N802
 
             Don't call it directly, FastAPI will call it for you, just pass the object
             directly.
+
+            Read more about it in the
+            [FastAPI docs for Dependencies](https://fastapi.tiangolo.com/tutorial/dependencies/)
             """
         ),
     ] = None,
@@ -2230,6 +2308,9 @@ def Depends(  # noqa: N802
 
             Set `use_cache` to `False` to disable this behavior and ensure the
             dependency is called again (if declared more than once) in the same request.
+
+            Read more about it in the
+            [FastAPI docs about sub-dependencies](https://fastapi.tiangolo.com/tutorial/dependencies/sub-dependencies/#using-the-same-dependency-multiple-times)
             """
         ),
     ] = True,
@@ -2250,6 +2331,9 @@ def Depends(  # noqa: N802
                 that handles the request (similar to when using `"function"`), but end
                 **after** the response is sent back to the client. So, the dependency
                 function will be executed **around** the **request** and response cycle.
+
+            Read more about it in the
+            [FastAPI docs for FastAPI Dependencies with yield](https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/#early-exit-and-scope)
             """
         ),
     ] = None,
@@ -2295,6 +2379,9 @@ def Security(  # noqa: N802
 
             Don't call it directly, FastAPI will call it for you, just pass the object
             directly.
+
+            Read more about it in the
+            [FastAPI docs for Dependencies](https://fastapi.tiangolo.com/tutorial/dependencies/)
             """
         ),
     ] = None,
@@ -2312,7 +2399,9 @@ def Security(  # noqa: N802
 
             These scopes are integrated with OpenAPI (and the API docs at `/docs`).
             So they are visible in the OpenAPI specification.
-            )
+
+            Read more about it in the
+            [FastAPI docs about OAuth2 scopes](https://fastapi.tiangolo.com/advanced/security/oauth2-scopes/)
             """
         ),
     ] = None,
@@ -2327,6 +2416,9 @@ def Security(  # noqa: N802
 
             Set `use_cache` to `False` to disable this behavior and ensure the
             dependency is called again (if declared more than once) in the same request.
+
+            Read more about it in the
+            [FastAPI docs about sub-dependencies](https://fastapi.tiangolo.com/tutorial/dependencies/sub-dependencies/#using-the-same-dependency-multiple-times)
             """
         ),
     ] = True,

fastapi/security/oauth2.py

@@ -68,6 +68,9 @@ class OAuth2PasswordRequestForm:
                 "password". Nevertheless, this dependency class is permissive and
                 allows not passing it. If you want to enforce it, use instead the
                 `OAuth2PasswordRequestFormStrict` dependency.
+
+                Read more about it in the
+                [FastAPI docs for Simple OAuth2 with Password and Bearer](https://fastapi.tiangolo.com/tutorial/security/simple-oauth2/).
                 """
             ),
         ] = None,
@@ -78,6 +81,9 @@ class OAuth2PasswordRequestForm:
                 """
                 `username` string. The OAuth2 spec requires the exact field name
                 `username`.
+
+                Read more about it in the
+                [FastAPI docs for Simple OAuth2 with Password and Bearer](https://fastapi.tiangolo.com/tutorial/security/simple-oauth2/).
                 """
             ),
         ],
@@ -88,6 +94,9 @@ class OAuth2PasswordRequestForm:
                 """
                 `password` string. The OAuth2 spec requires the exact field name
                 `password`.
+
+                Read more about it in the
+                [FastAPI docs for Simple OAuth2 with Password and Bearer](https://fastapi.tiangolo.com/tutorial/security/simple-oauth2/).
                 """
             ),
         ],
@@ -112,6 +121,9 @@ class OAuth2PasswordRequestForm:
                 * `users:read`
                 * `profile`
                 * `openid`
+
+                Read more about it in the
+                [FastAPI docs for Simple OAuth2 with Password and Bearer](https://fastapi.tiangolo.com/tutorial/security/simple-oauth2/).
                 """
             ),
         ] = "",
@@ -222,6 +234,9 @@ class OAuth2PasswordRequestFormStrict(OAuth2PasswordRequestForm):
                 "password". This dependency is strict about it. If you want to be
                 permissive, use instead the `OAuth2PasswordRequestForm` dependency
                 class.
+
+                Read more about it in the
+                [FastAPI docs for Simple OAuth2 with Password and Bearer](https://fastapi.tiangolo.com/tutorial/security/simple-oauth2/).
                 """
             ),
         ],
@@ -232,6 +247,9 @@ class OAuth2PasswordRequestFormStrict(OAuth2PasswordRequestForm):
                 """
                 `username` string. The OAuth2 spec requires the exact field name
                 `username`.
+
+                Read more about it in the
+                [FastAPI docs for Simple OAuth2 with Password and Bearer](https://fastapi.tiangolo.com/tutorial/security/simple-oauth2/).
                 """
             ),
         ],
@@ -242,6 +260,9 @@ class OAuth2PasswordRequestFormStrict(OAuth2PasswordRequestForm):
                 """
                 `password` string. The OAuth2 spec requires the exact field name
                 `password`.
+
+                Read more about it in the
+                [FastAPI docs for Simple OAuth2 with Password and Bearer](https://fastapi.tiangolo.com/tutorial/security/simple-oauth2/).
                 """
             ),
         ],
@@ -266,6 +287,9 @@ class OAuth2PasswordRequestFormStrict(OAuth2PasswordRequestForm):
                 * `users:read`
                 * `profile`
                 * `openid`
+
+                Read more about it in the
+                [FastAPI docs for Simple OAuth2 with Password and Bearer](https://fastapi.tiangolo.com/tutorial/security/simple-oauth2/).
                 """
             ),
         ] = "",
@@ -423,6 +447,9 @@ class OAuth2PasswordBearer(OAuth2):
                 """
                 The URL to obtain the OAuth2 token. This would be the *path operation*
                 that has `OAuth2PasswordRequestForm` as a dependency.
+
+                Read more about it in the
+                [FastAPI docs for Simple OAuth2 with Password and Bearer](https://fastapi.tiangolo.com/tutorial/security/simple-oauth2/).
                 """
             ),
         ],
@@ -442,6 +469,9 @@ class OAuth2PasswordBearer(OAuth2):
                 """
                 The OAuth2 scopes that would be required by the *path operations* that
                 use this dependency.
+
+                Read more about it in the
+                [FastAPI docs for Simple OAuth2 with Password and Bearer](https://fastapi.tiangolo.com/tutorial/security/simple-oauth2/).
                 """
             ),
         ] = None,