mirror
/
tiangolo.fastapi
mirror of https://github.com/tiangolo/fastapi
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
6995 Commits
22 Branches
287 Tags
362 MiB
 
Tree: 813742492e
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from '813742492e'
${ noResults }
tiangolo.fastapi/fastapi/routing_router.py

4002 lines
153 KiB
Raw Blame History

import inspect
from collections.abc import (
Callable,
Collection,
Sequence,
)
from contextlib import (
asynccontextmanager,
)
from enum import Enum
from typing import (
Annotated,
Any,
)
from annotated_doc import Doc
from fastapi import params
from fastapi.datastructures import Default, DefaultPlaceholder
from fastapi.exceptions import (
FastAPIError,
)
from fastapi.routing_handlers import (
get_request_handler as get_request_handler,
)
from fastapi.routing_handlers import (
get_websocket_app as get_websocket_app,
)
from fastapi.routing_routes import APIRoute as APIRoute
from fastapi.routing_routes import APIWebSocketRoute as APIWebSocketRoute
from fastapi.routing_utils import (
_DefaultLifespan,
_merge_lifespan_context,
_wrap_gen_lifespan_context,
)
from fastapi.types import DecoratedCallable, IncEx
from fastapi.utils import (
generate_unique_id,
get_value_or_default,
)
from starlette import routing
from starlette._utils import is_async_callable
from starlette.responses import JSONResponse, Response
from starlette.routing import (
BaseRoute,
)
from starlette.routing import Mount as Mount # noqa
from starlette.types import ASGIApp, Lifespan
from typing_extensions import deprecated
class APIRouter(routing.Router):
"""
`APIRouter` class, used to group *path operations*, for example to structure
an app in multiple files. It would then be included in the `FastAPI` app, or
in another `APIRouter` (ultimately included in the app).
Read more about it in the
[FastAPI docs for Bigger Applications - Multiple Files](https://fastapi.tiangolo.com/tutorial/bigger-applications/).
## Example
```python
from fastapi import APIRouter, FastAPI
app = FastAPI()
router = APIRouter()
@router.get("/users/", tags=["users"])
async def read_users():
return [{"username": "Rick"}, {"username": "Morty"}]
app.include_router(router)
```
"""
def __init__(
self,
*,
prefix: Annotated[str, Doc("An optional path prefix for the router.")] = "",
tags: Annotated[
list[str | Enum] | None,
Doc(
"""
A list of tags to be applied to all the *path operations* in this
router.
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/).
"""
),
] = None,
dependencies: Annotated[
Sequence[params.Depends] | None,
Doc(
"""
A list of dependencies (using `Depends()`) to be applied to all the
*path operations* in this router.
Read more about it in the
[FastAPI docs for Bigger Applications - Multiple Files](https://fastapi.tiangolo.com/tutorial/bigger-applications/#include-an-apirouter-with-a-custom-prefix-tags-responses-and-dependencies).
"""
),
] = None,
default_response_class: Annotated[
type[Response],
Doc(
"""
The default response class to be used.
Read more in the
[FastAPI docs for Custom Response - HTML, Stream, File, others](https://fastapi.tiangolo.com/advanced/custom-response/#default-response-class).
"""
),
] = Default(JSONResponse),
responses: Annotated[
dict[int | str, dict[str, Any]] | None,
Doc(
"""
Additional responses to be shown in OpenAPI.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
Read more about it in the
[FastAPI docs for Additional Responses in OpenAPI](https://fastapi.tiangolo.com/advanced/additional-responses/).
And in the
[FastAPI docs for Bigger Applications](https://fastapi.tiangolo.com/tutorial/bigger-applications/#include-an-apirouter-with-a-custom-prefix-tags-responses-and-dependencies).
"""
),
] = None,
callbacks: Annotated[
list[BaseRoute] | None,
Doc(
"""
OpenAPI callbacks that should apply to all *path operations* in this
router.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
Read more about it in the
[FastAPI docs for OpenAPI Callbacks](https://fastapi.tiangolo.com/advanced/openapi-callbacks/).
"""
),
] = None,
routes: Annotated[
list[BaseRoute] | None,
Doc(
"""
**Note**: you probably shouldn't use this parameter, it is inherited
from Starlette and supported for compatibility.
---
A list of routes to serve incoming HTTP and WebSocket requests.
"""
),
deprecated(
"""
You normally wouldn't use this parameter with FastAPI, it is inherited
from Starlette and supported for compatibility.
In FastAPI, you normally would use the *path operation methods*,
like `router.get()`, `router.post()`, etc.
"""
),
] = None,
redirect_slashes: Annotated[
bool,
Doc(
"""
Whether to detect and redirect slashes in URLs when the client doesn't
use the same format.
"""
),
] = True,
default: Annotated[
ASGIApp | None,
Doc(
"""
Default function handler for this router. Used to handle
404 Not Found errors.
"""
),
] = None,
dependency_overrides_provider: Annotated[
Any | None,
Doc(
"""
Only used internally by FastAPI to handle dependency overrides.
You shouldn't need to use it. It normally points to the `FastAPI` app
object.
"""
),
] = None,
route_class: Annotated[
type[APIRoute],
Doc(
"""
Custom route (*path operation*) class to be used by this router.
Read more about it in the
[FastAPI docs for Custom Request and APIRoute class](https://fastapi.tiangolo.com/how-to/custom-request-and-route/#custom-apiroute-class-in-a-router).
"""
),
] = APIRoute,
on_startup: Annotated[
Sequence[Callable[[], Any]] | None,
Doc(
"""
A list of startup event handler functions.
You should instead use the `lifespan` handlers.
Read more in the [FastAPI docs for `lifespan`](https://fastapi.tiangolo.com/advanced/events/).
"""
),
] = None,
on_shutdown: Annotated[
Sequence[Callable[[], Any]] | None,
Doc(
"""
A list of shutdown event handler functions.
You should instead use the `lifespan` handlers.
Read more in the
[FastAPI docs for `lifespan`](https://fastapi.tiangolo.com/advanced/events/).
"""
),
] = None,
# the generic to Lifespan[AppType] is the type of the top level application
# which the router cannot know statically, so we use typing.Any
lifespan: Annotated[
Lifespan[Any] | None,
Doc(
"""
A `Lifespan` context manager handler. This replaces `startup` and
`shutdown` functions with a single context manager.
Read more in the
[FastAPI docs for `lifespan`](https://fastapi.tiangolo.com/advanced/events/).
"""
),
] = None,
deprecated: Annotated[
bool | None,
Doc(
"""
Mark all *path operations* in this router as deprecated.
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/).
"""
),
] = None,
include_in_schema: Annotated[
bool,
Doc(
"""
To include (or not) all the *path operations* in this router in the
generated OpenAPI.
This affects the generated OpenAPI (e.g. visible at `/docs`).
Read more about it in the
[FastAPI docs for Query Parameters and String Validations](https://fastapi.tiangolo.com/tutorial/query-params-str-validations/#exclude-parameters-from-openapi).
"""
),
] = True,
generate_unique_id_function: Annotated[
Callable[[APIRoute], str],
Doc(
"""
Customize the function used to generate unique IDs for the *path
operations* shown in the generated OpenAPI.
This is particularly useful when automatically generating clients or
SDKs for your API.
Read more about it in the
[FastAPI docs about how to Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/#custom-generate-unique-id-function).
"""
),
] = Default(generate_unique_id),
strict_content_type: Annotated[
bool,
Doc(
"""
Enable strict checking for request Content-Type headers.
When `True` (the default), requests with a body that do not include
a `Content-Type` header will **not** be parsed as JSON.
This prevents potential cross-site request forgery (CSRF) attacks
that exploit the browser's ability to send requests without a
Content-Type header, bypassing CORS preflight checks. In particular
applicable for apps that need to be run locally (in localhost).
When `False`, requests without a `Content-Type` header will have
their body parsed as JSON, which maintains compatibility with
certain clients that don't send `Content-Type` headers.
Read more about it in the
[FastAPI docs for Strict Content-Type](https://fastapi.tiangolo.com/advanced/strict-content-type/).
"""
),
] = Default(True),
) -> None:
# Determine the lifespan context to use
if lifespan is None:
# Use the default lifespan that runs on_startup/on_shutdown handlers
lifespan_context: Lifespan[Any] = _DefaultLifespan(self)
elif inspect.isasyncgenfunction(lifespan):
lifespan_context = asynccontextmanager(lifespan)
elif inspect.isgeneratorfunction(lifespan):
lifespan_context = _wrap_gen_lifespan_context(lifespan)
else:
lifespan_context = lifespan
self.lifespan_context = lifespan_context
super().__init__(
routes=routes,
redirect_slashes=redirect_slashes,
default=default,
lifespan=lifespan_context,
)
if prefix:
assert prefix.startswith("/"), "A path prefix must start with '/'"
assert not prefix.endswith("/"), (
"A path prefix must not end with '/', as the routes will start with '/'"
)
# Handle on_startup/on_shutdown locally since Starlette removed support
# Ref: https://github.com/Kludex/starlette/pull/3117
# TODO: deprecate this once the lifespan (or alternative) interface is improved
self.on_startup: list[Callable[[], Any]] = (
[] if on_startup is None else list(on_startup)
)
self.on_shutdown: list[Callable[[], Any]] = (
[] if on_shutdown is None else list(on_shutdown)
)
self.prefix = prefix
self.tags: list[str | Enum] = tags or []
self.dependencies = list(dependencies or [])
self.deprecated = deprecated
self.include_in_schema = include_in_schema
self.responses = responses or {}
self.callbacks = callbacks or []
self.dependency_overrides_provider = dependency_overrides_provider
self.route_class = route_class
self.default_response_class = default_response_class
self.generate_unique_id_function = generate_unique_id_function
self.strict_content_type = strict_content_type
def route(
self,
path: str,
methods: Collection[str] | None = None,
name: str | None = None,
include_in_schema: bool = True,
) -> Callable[[DecoratedCallable], DecoratedCallable]:
def decorator(func: DecoratedCallable) -> DecoratedCallable:
self.add_route(
path,
func,
methods=methods,
name=name,
include_in_schema=include_in_schema,
)
return func
return decorator
def add_api_route(
self,
path: str,
endpoint: Callable[..., Any],
*,
response_model: Any = Default(None),
status_code: int | None = None,
tags: list[str | Enum] | None = None,
dependencies: Sequence[params.Depends] | None = None,
summary: str | None = None,
description: str | None = None,
response_description: str = "Successful Response",
responses: dict[int | str, dict[str, Any]] | None = None,
deprecated: bool | None = None,
methods: set[str] | list[str] | None = None,
operation_id: str | None = None,
response_model_include: IncEx | None = None,
response_model_exclude: IncEx | None = None,
response_model_by_alias: bool = True,
response_model_exclude_unset: bool = False,
response_model_exclude_defaults: bool = False,
response_model_exclude_none: bool = False,
include_in_schema: bool = True,
response_class: type[Response] | DefaultPlaceholder = Default(JSONResponse),
name: str | None = None,
route_class_override: type[APIRoute] | None = None,
callbacks: list[BaseRoute] | None = None,
openapi_extra: dict[str, Any] | None = None,
generate_unique_id_function: Callable[[APIRoute], str]
| DefaultPlaceholder = Default(generate_unique_id),
strict_content_type: bool | DefaultPlaceholder = Default(True),
) -> None:
route_class = route_class_override or self.route_class
responses = responses or {}
combined_responses = {**self.responses, **responses}
current_response_class = get_value_or_default(
response_class, self.default_response_class
)
current_tags = self.tags.copy()
if tags:
current_tags.extend(tags)
current_dependencies = self.dependencies.copy()
if dependencies:
current_dependencies.extend(dependencies)
current_callbacks = self.callbacks.copy()
if callbacks:
current_callbacks.extend(callbacks)
current_generate_unique_id = get_value_or_default(
generate_unique_id_function, self.generate_unique_id_function
)
route = route_class(
self.prefix + path,
endpoint=endpoint,
response_model=response_model,
status_code=status_code,
tags=current_tags,
dependencies=current_dependencies,
summary=summary,
description=description,
response_description=response_description,
responses=combined_responses,
deprecated=deprecated or self.deprecated,
methods=methods,
operation_id=operation_id,
response_model_include=response_model_include,
response_model_exclude=response_model_exclude,
response_model_by_alias=response_model_by_alias,
response_model_exclude_unset=response_model_exclude_unset,
response_model_exclude_defaults=response_model_exclude_defaults,
response_model_exclude_none=response_model_exclude_none,
include_in_schema=include_in_schema and self.include_in_schema,
response_class=current_response_class,
name=name,
dependency_overrides_provider=self.dependency_overrides_provider,
callbacks=current_callbacks,
openapi_extra=openapi_extra,
generate_unique_id_function=current_generate_unique_id,
strict_content_type=get_value_or_default(
strict_content_type, self.strict_content_type
),
)
self.routes.append(route)
def api_route(
self,
path: str,
*,
response_model: Any = Default(None),
status_code: int | None = None,
tags: list[str | Enum] | None = None,
dependencies: Sequence[params.Depends] | None = None,
summary: str | None = None,
description: str | None = None,
response_description: str = "Successful Response",
responses: dict[int | str, dict[str, Any]] | None = None,
deprecated: bool | None = None,
methods: list[str] | None = None,
operation_id: str | None = None,
response_model_include: IncEx | None = None,
response_model_exclude: IncEx | None = None,
response_model_by_alias: bool = True,
response_model_exclude_unset: bool = False,
response_model_exclude_defaults: bool = False,
response_model_exclude_none: bool = False,
include_in_schema: bool = True,
response_class: type[Response] = Default(JSONResponse),
name: str | None = None,
callbacks: list[BaseRoute] | None = None,
openapi_extra: dict[str, Any] | None = None,
generate_unique_id_function: Callable[[APIRoute], str] = Default(
generate_unique_id
),
) -> Callable[[DecoratedCallable], DecoratedCallable]:
def decorator(func: DecoratedCallable) -> DecoratedCallable:
self.add_api_route(
path,
func,
response_model=response_model,
status_code=status_code,
tags=tags,
dependencies=dependencies,
summary=summary,
description=description,
response_description=response_description,
responses=responses,
deprecated=deprecated,
methods=methods,
operation_id=operation_id,
response_model_include=response_model_include,
response_model_exclude=response_model_exclude,
response_model_by_alias=response_model_by_alias,
response_model_exclude_unset=response_model_exclude_unset,
response_model_exclude_defaults=response_model_exclude_defaults,
response_model_exclude_none=response_model_exclude_none,
include_in_schema=include_in_schema,
response_class=response_class,
name=name,
callbacks=callbacks,
openapi_extra=openapi_extra,
generate_unique_id_function=generate_unique_id_function,
)
return func
return decorator
def add_api_websocket_route(
self,
path: str,
endpoint: Callable[..., Any],
name: str | None = None,
*,
dependencies: Sequence[params.Depends] | None = None,
) -> None:
current_dependencies = self.dependencies.copy()
if dependencies:
current_dependencies.extend(dependencies)
route = APIWebSocketRoute(
self.prefix + path,
endpoint=endpoint,
name=name,
dependencies=current_dependencies,
dependency_overrides_provider=self.dependency_overrides_provider,
)
self.routes.append(route)
def websocket(
self,
path: Annotated[
str,
Doc(
"""
WebSocket path.
"""
),
],
name: Annotated[
str | None,
Doc(
"""
A name for the WebSocket. Only used internally.
"""
),
] = None,
*,
dependencies: Annotated[
Sequence[params.Depends] | None,
Doc(
"""
A list of dependencies (using `Depends()`) to be used for this
WebSocket.
Read more about it in the
[FastAPI docs for WebSockets](https://fastapi.tiangolo.com/advanced/websockets/).
"""
),
] = None,
) -> Callable[[DecoratedCallable], DecoratedCallable]:
"""
Decorate a WebSocket function.
Read more about it in the
[FastAPI docs for WebSockets](https://fastapi.tiangolo.com/advanced/websockets/).
**Example**
## Example
```python
from fastapi import APIRouter, FastAPI, WebSocket
app = FastAPI()
router = APIRouter()
@router.websocket("/ws")
async def websocket_endpoint(websocket: WebSocket):
await websocket.accept()
while True:
data = await websocket.receive_text()
await websocket.send_text(f"Message text was: {data}")
app.include_router(router)
```
"""
def decorator(func: DecoratedCallable) -> DecoratedCallable:
self.add_api_websocket_route(
path, func, name=name, dependencies=dependencies
)
return func
return decorator
def websocket_route(
self, path: str, name: str | None = None
) -> Callable[[DecoratedCallable], DecoratedCallable]:
def decorator(func: DecoratedCallable) -> DecoratedCallable:
self.add_websocket_route(path, func, name=name)
return func
return decorator
def include_router(
self,
router: Annotated["APIRouter", Doc("The `APIRouter` to include.")],
*,
prefix: Annotated[str, Doc("An optional path prefix for the router.")] = "",
tags: Annotated[
list[str | Enum] | None,
Doc(
"""
A list of tags to be applied to all the *path operations* in this
router.
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/).
"""
),
] = None,
dependencies: Annotated[
Sequence[params.Depends] | None,
Doc(
"""
A list of dependencies (using `Depends()`) to be applied to all the
*path operations* in this router.
Read more about it in the
[FastAPI docs for Bigger Applications - Multiple Files](https://fastapi.tiangolo.com/tutorial/bigger-applications/#include-an-apirouter-with-a-custom-prefix-tags-responses-and-dependencies).
"""
),
] = None,
default_response_class: Annotated[
type[Response],
Doc(
"""
The default response class to be used.
Read more in the
[FastAPI docs for Custom Response - HTML, Stream, File, others](https://fastapi.tiangolo.com/advanced/custom-response/#default-response-class).
"""
),
] = Default(JSONResponse),
responses: Annotated[
dict[int | str, dict[str, Any]] | None,
Doc(
"""
Additional responses to be shown in OpenAPI.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
Read more about it in the
[FastAPI docs for Additional Responses in OpenAPI](https://fastapi.tiangolo.com/advanced/additional-responses/).
And in the
[FastAPI docs for Bigger Applications](https://fastapi.tiangolo.com/tutorial/bigger-applications/#include-an-apirouter-with-a-custom-prefix-tags-responses-and-dependencies).
"""
),
] = None,
callbacks: Annotated[
list[BaseRoute] | None,
Doc(
"""
OpenAPI callbacks that should apply to all *path operations* in this
router.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
Read more about it in the
[FastAPI docs for OpenAPI Callbacks](https://fastapi.tiangolo.com/advanced/openapi-callbacks/).
"""
),
] = None,
deprecated: Annotated[
bool | None,
Doc(
"""
Mark all *path operations* in this router as deprecated.
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/).
"""
),
] = None,
include_in_schema: Annotated[
bool,
Doc(
"""
Include (or not) all the *path operations* in this router in the
generated OpenAPI schema.
This affects the generated OpenAPI (e.g. visible at `/docs`).
"""
),
] = True,
generate_unique_id_function: Annotated[
Callable[[APIRoute], str],
Doc(
"""
Customize the function used to generate unique IDs for the *path
operations* shown in the generated OpenAPI.
This is particularly useful when automatically generating clients or
SDKs for your API.
Read more about it in the
[FastAPI docs about how to Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/#custom-generate-unique-id-function).
"""
),
] = Default(generate_unique_id),
) -> None:
"""
Include another `APIRouter` in the same current `APIRouter`.
Read more about it in the
[FastAPI docs for Bigger Applications](https://fastapi.tiangolo.com/tutorial/bigger-applications/).
## Example
```python
from fastapi import APIRouter, FastAPI
app = FastAPI()
internal_router = APIRouter()
users_router = APIRouter()
@users_router.get("/users/")
def read_users():
return [{"name": "Rick"}, {"name": "Morty"}]
internal_router.include_router(users_router)
app.include_router(internal_router)
```
"""
assert self is not router, (
"Cannot include the same APIRouter instance into itself. "
"Did you mean to include a different router?"
)
if prefix:
assert prefix.startswith("/"), "A path prefix must start with '/'"
assert not prefix.endswith("/"), (
"A path prefix must not end with '/', as the routes will start with '/'"
)
else:
for r in router.routes:
path = getattr(r, "path") # noqa: B009
name = getattr(r, "name", "unknown")
if path is not None and not path:
raise FastAPIError(
f"Prefix and path cannot be both empty (path operation: {name})"
)
if responses is None:
responses = {}
for route in router.routes:
if isinstance(route, APIRoute):
combined_responses = {**responses, **route.responses}
use_response_class = get_value_or_default(
route.response_class,
router.default_response_class,
default_response_class,
self.default_response_class,
)
current_tags = []
if tags:
current_tags.extend(tags)
if route.tags:
current_tags.extend(route.tags)
current_dependencies: list[params.Depends] = []
if dependencies:
current_dependencies.extend(dependencies)
if route.dependencies:
current_dependencies.extend(route.dependencies)
current_callbacks = []
if callbacks:
current_callbacks.extend(callbacks)
if route.callbacks:
current_callbacks.extend(route.callbacks)
current_generate_unique_id = get_value_or_default(
route.generate_unique_id_function,
router.generate_unique_id_function,
generate_unique_id_function,
self.generate_unique_id_function,
)
self.add_api_route(
prefix + route.path,
route.endpoint,
response_model=route.response_model,
status_code=route.status_code,
tags=current_tags,
dependencies=current_dependencies,
summary=route.summary,
description=route.description,
response_description=route.response_description,
responses=combined_responses,
deprecated=route.deprecated or deprecated or self.deprecated,
methods=route.methods,
operation_id=route.operation_id,
response_model_include=route.response_model_include,
response_model_exclude=route.response_model_exclude,
response_model_by_alias=route.response_model_by_alias,
response_model_exclude_unset=route.response_model_exclude_unset,
response_model_exclude_defaults=route.response_model_exclude_defaults,
response_model_exclude_none=route.response_model_exclude_none,
include_in_schema=route.include_in_schema
and self.include_in_schema
and include_in_schema,
response_class=use_response_class,
name=route.name,
route_class_override=type(route),
callbacks=current_callbacks,
openapi_extra=route.openapi_extra,
generate_unique_id_function=current_generate_unique_id,
strict_content_type=get_value_or_default(
route.strict_content_type,
router.strict_content_type,
self.strict_content_type,
),
)
elif isinstance(route, routing.Route):
methods = list(route.methods or [])
self.add_route(
prefix + route.path,
route.endpoint,
methods=methods,
include_in_schema=route.include_in_schema,
name=route.name,
)
elif isinstance(route, APIWebSocketRoute):
current_dependencies = []
if dependencies:
current_dependencies.extend(dependencies)
if route.dependencies:
current_dependencies.extend(route.dependencies)
self.add_api_websocket_route(
prefix + route.path,
route.endpoint,
dependencies=current_dependencies,
name=route.name,
)
elif isinstance(route, routing.WebSocketRoute):
self.add_websocket_route(
prefix + route.path, route.endpoint, name=route.name
)
for handler in router.on_startup:
self.add_event_handler("startup", handler)
for handler in router.on_shutdown:
self.add_event_handler("shutdown", handler)
self.lifespan_context = _merge_lifespan_context(
self.lifespan_context,
router.lifespan_context,
)
def get(
self,
path: Annotated[
str,
Doc(
"""
The URL path to be used for this *path operation*.
For example, in `http://example.com/items`, the path is `/items`.
"""
),
],
*,
response_model: Annotated[
Any,
Doc(
"""
The type to use for the response.
It could be any valid Pydantic *field* type. So, it doesn't have to
be a Pydantic model, it could be other things, like a `list`, `dict`,
etc.
It will be used for:
* Documentation: the generated OpenAPI (and the UI at `/docs`) will
show it as the response (JSON Schema).
* Serialization: you could return an arbitrary object and the
`response_model` would be used to serialize that object into the
corresponding JSON.
* Filtering: the JSON sent to the client will only contain the data
(fields) defined in the `response_model`. If you returned an object
that contains an attribute `password` but the `response_model` does
not include that field, the JSON sent to the client would not have
that `password`.
* Validation: whatever you return will be serialized with the
`response_model`, converting any data as necessary to generate the
corresponding JSON. But if the data in the object returned is not
valid, that would mean a violation of the contract with the client,
so it's an error from the API developer. So, FastAPI will raise an
error and return a 500 error code (Internal Server Error).
Read more about it in the
[FastAPI docs for Response Model](https://fastapi.tiangolo.com/tutorial/response-model/).
"""
),
] = Default(None),
status_code: Annotated[
int | None,
Doc(
"""
The default status code to be used for the response.
You could override the status code by returning a response directly.
Read more about it in the
[FastAPI docs for Response Status Code](https://fastapi.tiangolo.com/tutorial/response-status-code/).
"""
),
] = None,
tags: Annotated[
list[str | Enum] | None,
Doc(
"""
A list of tags to be applied to the *path operation*.
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/#tags).
"""
),
] = None,
dependencies: Annotated[
Sequence[params.Depends] | None,
Doc(
"""
A list of dependencies (using `Depends()`) to be applied to the
*path operation*.
Read more about it in the
[FastAPI docs for Dependencies in path operation decorators](https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/).
"""
),
] = None,
summary: Annotated[
str | None,
Doc(
"""
A summary for the *path operation*.
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/).
"""
),
] = None,
description: Annotated[
str | None,
Doc(
"""
A description for the *path operation*.
If not provided, it will be extracted automatically from the docstring
of the *path operation function*.
It can contain Markdown.
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/).
"""
),
] = None,
response_description: Annotated[
str,
Doc(
"""
The description for the default response.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
"""
),
] = "Successful Response",
responses: Annotated[
dict[int | str, dict[str, Any]] | None,
Doc(
"""
Additional responses that could be returned by this *path operation*.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
"""
),
] = None,
deprecated: Annotated[
bool | None,
Doc(
"""
Mark this *path operation* as deprecated.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
"""
),
] = None,
operation_id: Annotated[
str | None,
Doc(
"""
Custom operation ID to be used by this *path operation*.
By default, it is generated automatically.
If you provide a custom operation ID, you need to make sure it is
unique for the whole API.
You can customize the
operation ID generation with the parameter
`generate_unique_id_function` in the `FastAPI` class.
Read more about it in the
[FastAPI docs about how to Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/#custom-generate-unique-id-function).
"""
),
] = None,
response_model_include: Annotated[
IncEx | None,
Doc(
"""
Configuration passed to Pydantic to include only certain fields in the
response data.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
"""
),
] = None,
response_model_exclude: Annotated[
IncEx | None,
Doc(
"""
Configuration passed to Pydantic to exclude certain fields in the
response data.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
"""
),
] = None,
response_model_by_alias: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response model
should be serialized by alias when an alias is used.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
"""
),
] = True,
response_model_exclude_unset: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response data
should have all the fields, including the ones that were not set and
have their default values. This is different from
`response_model_exclude_defaults` in that if the fields are set,
they will be included in the response, even if the value is the same
as the default.
When `True`, default values are omitted from the response.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#use-the-response_model_exclude_unset-parameter).
"""
),
] = False,
response_model_exclude_defaults: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response data
should have all the fields, including the ones that have the same value
as the default. This is different from `response_model_exclude_unset`
in that if the fields are set but contain the same default values,
they will be excluded from the response.
When `True`, default values are omitted from the response.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#use-the-response_model_exclude_unset-parameter).
"""
),
] = False,
response_model_exclude_none: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response data should
exclude fields set to `None`.
This is much simpler (less smart) than `response_model_exclude_unset`
and `response_model_exclude_defaults`. You probably want to use one of
those two instead of this one, as those allow returning `None` values
when it makes sense.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_exclude_none).
"""
),
] = False,
include_in_schema: Annotated[
bool,
Doc(
"""
Include this *path operation* in the generated OpenAPI schema.
This affects the generated OpenAPI (e.g. visible at `/docs`).
Read more about it in the
[FastAPI docs for Query Parameters and String Validations](https://fastapi.tiangolo.com/tutorial/query-params-str-validations/#exclude-parameters-from-openapi).
"""
),
] = True,
response_class: Annotated[
type[Response],
Doc(
"""
Response class to be used for this *path operation*.
This will not be used if you return a response directly.
Read more about it in the
[FastAPI docs for Custom Response - HTML, Stream, File, others](https://fastapi.tiangolo.com/advanced/custom-response/#redirectresponse).
"""
),
] = Default(JSONResponse),
name: Annotated[
str | None,
Doc(
"""
Name for this *path operation*. Only used internally.
"""
),
] = None,
callbacks: Annotated[
list[BaseRoute] | None,
Doc(
"""
List of *path operations* that will be used as OpenAPI callbacks.
This is only for OpenAPI documentation, the callbacks won't be used
directly.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
Read more about it in the
[FastAPI docs for OpenAPI Callbacks](https://fastapi.tiangolo.com/advanced/openapi-callbacks/).
"""
),
] = None,
openapi_extra: Annotated[
dict[str, Any] | None,
Doc(
"""
Extra metadata to be included in the OpenAPI schema for this *path
operation*.
Read more about it in the
[FastAPI docs for Path Operation Advanced Configuration](https://fastapi.tiangolo.com/advanced/path-operation-advanced-configuration/#custom-openapi-path-operation-schema).
"""
),
] = None,
generate_unique_id_function: Annotated[
Callable[[APIRoute], str],
Doc(
"""
Customize the function used to generate unique IDs for the *path
operations* shown in the generated OpenAPI.
This is particularly useful when automatically generating clients or
SDKs for your API.
Read more about it in the
[FastAPI docs about how to Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/#custom-generate-unique-id-function).
"""
),
] = Default(generate_unique_id),
) -> Callable[[DecoratedCallable], DecoratedCallable]:
"""
Add a *path operation* using an HTTP GET operation.
## Example
```python
from fastapi import APIRouter, FastAPI
app = FastAPI()
router = APIRouter()
@router.get("/items/")
def read_items():
return [{"name": "Empanada"}, {"name": "Arepa"}]
app.include_router(router)
```
"""
return self.api_route(
path=path,
response_model=response_model,
status_code=status_code,
tags=tags,
dependencies=dependencies,
summary=summary,
description=description,
response_description=response_description,
responses=responses,
deprecated=deprecated,
methods=["GET"],
operation_id=operation_id,
response_model_include=response_model_include,
response_model_exclude=response_model_exclude,
response_model_by_alias=response_model_by_alias,
response_model_exclude_unset=response_model_exclude_unset,
response_model_exclude_defaults=response_model_exclude_defaults,
response_model_exclude_none=response_model_exclude_none,
include_in_schema=include_in_schema,
response_class=response_class,
name=name,
callbacks=callbacks,
openapi_extra=openapi_extra,
generate_unique_id_function=generate_unique_id_function,
)
def put(
self,
path: Annotated[
str,
Doc(
"""
The URL path to be used for this *path operation*.
For example, in `http://example.com/items`, the path is `/items`.
"""
),
],
*,
response_model: Annotated[
Any,
Doc(
"""
The type to use for the response.
It could be any valid Pydantic *field* type. So, it doesn't have to
be a Pydantic model, it could be other things, like a `list`, `dict`,
etc.
It will be used for:
* Documentation: the generated OpenAPI (and the UI at `/docs`) will
show it as the response (JSON Schema).
* Serialization: you could return an arbitrary object and the
`response_model` would be used to serialize that object into the
corresponding JSON.
* Filtering: the JSON sent to the client will only contain the data
(fields) defined in the `response_model`. If you returned an object
that contains an attribute `password` but the `response_model` does
not include that field, the JSON sent to the client would not have
that `password`.
* Validation: whatever you return will be serialized with the
`response_model`, converting any data as necessary to generate the
corresponding JSON. But if the data in the object returned is not
valid, that would mean a violation of the contract with the client,
so it's an error from the API developer. So, FastAPI will raise an
error and return a 500 error code (Internal Server Error).
Read more about it in the
[FastAPI docs for Response Model](https://fastapi.tiangolo.com/tutorial/response-model/).
"""
),
] = Default(None),
status_code: Annotated[
int | None,
Doc(
"""
The default status code to be used for the response.
You could override the status code by returning a response directly.
Read more about it in the
[FastAPI docs for Response Status Code](https://fastapi.tiangolo.com/tutorial/response-status-code/).
"""
),
] = None,
tags: Annotated[
list[str | Enum] | None,
Doc(
"""
A list of tags to be applied to the *path operation*.
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/#tags).
"""
),
] = None,
dependencies: Annotated[
Sequence[params.Depends] | None,
Doc(
"""
A list of dependencies (using `Depends()`) to be applied to the
*path operation*.
Read more about it in the
[FastAPI docs for Dependencies in path operation decorators](https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/).
"""
),
] = None,
summary: Annotated[
str | None,
Doc(
"""
A summary for the *path operation*.
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/).
"""
),
] = None,
description: Annotated[
str | None,
Doc(
"""
A description for the *path operation*.
If not provided, it will be extracted automatically from the docstring
of the *path operation function*.
It can contain Markdown.
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/).
"""
),
] = None,
response_description: Annotated[
str,
Doc(
"""
The description for the default response.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
"""
),
] = "Successful Response",
responses: Annotated[
dict[int | str, dict[str, Any]] | None,
Doc(
"""
Additional responses that could be returned by this *path operation*.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
"""
),
] = None,
deprecated: Annotated[
bool | None,
Doc(
"""
Mark this *path operation* as deprecated.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
"""
),
] = None,
operation_id: Annotated[
str | None,
Doc(
"""
Custom operation ID to be used by this *path operation*.
By default, it is generated automatically.
If you provide a custom operation ID, you need to make sure it is
unique for the whole API.
You can customize the
operation ID generation with the parameter
`generate_unique_id_function` in the `FastAPI` class.
Read more about it in the
[FastAPI docs about how to Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/#custom-generate-unique-id-function).
"""
),
] = None,
response_model_include: Annotated[
IncEx | None,
Doc(
"""
Configuration passed to Pydantic to include only certain fields in the
response data.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
"""
),
] = None,
response_model_exclude: Annotated[
IncEx | None,
Doc(
"""
Configuration passed to Pydantic to exclude certain fields in the
response data.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
"""
),
] = None,
response_model_by_alias: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response model
should be serialized by alias when an alias is used.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
"""
),
] = True,
response_model_exclude_unset: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response data
should have all the fields, including the ones that were not set and
have their default values. This is different from
`response_model_exclude_defaults` in that if the fields are set,
they will be included in the response, even if the value is the same
as the default.
When `True`, default values are omitted from the response.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#use-the-response_model_exclude_unset-parameter).
"""
),
] = False,
response_model_exclude_defaults: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response data
should have all the fields, including the ones that have the same value
as the default. This is different from `response_model_exclude_unset`
in that if the fields are set but contain the same default values,
they will be excluded from the response.
When `True`, default values are omitted from the response.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#use-the-response_model_exclude_unset-parameter).
"""
),
] = False,
response_model_exclude_none: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response data should
exclude fields set to `None`.
This is much simpler (less smart) than `response_model_exclude_unset`
and `response_model_exclude_defaults`. You probably want to use one of
those two instead of this one, as those allow returning `None` values
when it makes sense.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_exclude_none).
"""
),
] = False,
include_in_schema: Annotated[
bool,
Doc(
"""
Include this *path operation* in the generated OpenAPI schema.
This affects the generated OpenAPI (e.g. visible at `/docs`).
Read more about it in the
[FastAPI docs for Query Parameters and String Validations](https://fastapi.tiangolo.com/tutorial/query-params-str-validations/#exclude-parameters-from-openapi).
"""
),
] = True,
response_class: Annotated[
type[Response],
Doc(
"""
Response class to be used for this *path operation*.
This will not be used if you return a response directly.
Read more about it in the
[FastAPI docs for Custom Response - HTML, Stream, File, others](https://fastapi.tiangolo.com/advanced/custom-response/#redirectresponse).
"""
),
] = Default(JSONResponse),
name: Annotated[
str | None,
Doc(
"""
Name for this *path operation*. Only used internally.
"""
),
] = None,
callbacks: Annotated[
list[BaseRoute] | None,
Doc(
"""
List of *path operations* that will be used as OpenAPI callbacks.
This is only for OpenAPI documentation, the callbacks won't be used
directly.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
Read more about it in the
[FastAPI docs for OpenAPI Callbacks](https://fastapi.tiangolo.com/advanced/openapi-callbacks/).
"""
),
] = None,
openapi_extra: Annotated[
dict[str, Any] | None,
Doc(
"""
Extra metadata to be included in the OpenAPI schema for this *path
operation*.
Read more about it in the
[FastAPI docs for Path Operation Advanced Configuration](https://fastapi.tiangolo.com/advanced/path-operation-advanced-configuration/#custom-openapi-path-operation-schema).
"""
),
] = None,
generate_unique_id_function: Annotated[
Callable[[APIRoute], str],
Doc(
"""
Customize the function used to generate unique IDs for the *path
operations* shown in the generated OpenAPI.
This is particularly useful when automatically generating clients or
SDKs for your API.
Read more about it in the
[FastAPI docs about how to Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/#custom-generate-unique-id-function).
"""
),
] = Default(generate_unique_id),
) -> Callable[[DecoratedCallable], DecoratedCallable]:
"""
Add a *path operation* using an HTTP PUT operation.
## Example
```python
from fastapi import APIRouter, FastAPI
from pydantic import BaseModel
class Item(BaseModel):
name: str
description: str | None = None
app = FastAPI()
router = APIRouter()
@router.put("/items/{item_id}")
def replace_item(item_id: str, item: Item):
return {"message": "Item replaced", "id": item_id}
app.include_router(router)
```
"""
return self.api_route(
path=path,
response_model=response_model,
status_code=status_code,
tags=tags,
dependencies=dependencies,
summary=summary,
description=description,
response_description=response_description,
responses=responses,
deprecated=deprecated,
methods=["PUT"],
operation_id=operation_id,
response_model_include=response_model_include,
response_model_exclude=response_model_exclude,
response_model_by_alias=response_model_by_alias,
response_model_exclude_unset=response_model_exclude_unset,
response_model_exclude_defaults=response_model_exclude_defaults,
response_model_exclude_none=response_model_exclude_none,
include_in_schema=include_in_schema,
response_class=response_class,
name=name,
callbacks=callbacks,
openapi_extra=openapi_extra,
generate_unique_id_function=generate_unique_id_function,
)
def post(
self,
path: Annotated[
str,
Doc(
"""
The URL path to be used for this *path operation*.
For example, in `http://example.com/items`, the path is `/items`.
"""
),
],
*,
response_model: Annotated[
Any,
Doc(
"""
The type to use for the response.
It could be any valid Pydantic *field* type. So, it doesn't have to
be a Pydantic model, it could be other things, like a `list`, `dict`,
etc.
It will be used for:
* Documentation: the generated OpenAPI (and the UI at `/docs`) will
show it as the response (JSON Schema).
* Serialization: you could return an arbitrary object and the
`response_model` would be used to serialize that object into the
corresponding JSON.
* Filtering: the JSON sent to the client will only contain the data
(fields) defined in the `response_model`. If you returned an object
that contains an attribute `password` but the `response_model` does
not include that field, the JSON sent to the client would not have
that `password`.
* Validation: whatever you return will be serialized with the
`response_model`, converting any data as necessary to generate the
corresponding JSON. But if the data in the object returned is not
valid, that would mean a violation of the contract with the client,
so it's an error from the API developer. So, FastAPI will raise an
error and return a 500 error code (Internal Server Error).
Read more about it in the
[FastAPI docs for Response Model](https://fastapi.tiangolo.com/tutorial/response-model/).
"""
),
] = Default(None),
status_code: Annotated[
int | None,
Doc(
"""
The default status code to be used for the response.
You could override the status code by returning a response directly.
Read more about it in the
[FastAPI docs for Response Status Code](https://fastapi.tiangolo.com/tutorial/response-status-code/).
"""
),
] = None,
tags: Annotated[
list[str | Enum] | None,
Doc(
"""
A list of tags to be applied to the *path operation*.
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/#tags).
"""
),
] = None,
dependencies: Annotated[
Sequence[params.Depends] | None,
Doc(
"""
A list of dependencies (using `Depends()`) to be applied to the
*path operation*.
Read more about it in the
[FastAPI docs for Dependencies in path operation decorators](https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/).
"""
),
] = None,
summary: Annotated[
str | None,
Doc(
"""
A summary for the *path operation*.
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/).
"""
),
] = None,
description: Annotated[
str | None,
Doc(
"""
A description for the *path operation*.
If not provided, it will be extracted automatically from the docstring
of the *path operation function*.
It can contain Markdown.
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/).
"""
),
] = None,
response_description: Annotated[
str,
Doc(
"""
The description for the default response.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
"""
),
] = "Successful Response",
responses: Annotated[
dict[int | str, dict[str, Any]] | None,
Doc(
"""
Additional responses that could be returned by this *path operation*.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
"""
),
] = None,
deprecated: Annotated[
bool | None,
Doc(
"""
Mark this *path operation* as deprecated.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
"""
),
] = None,
operation_id: Annotated[
str | None,
Doc(
"""
Custom operation ID to be used by this *path operation*.
By default, it is generated automatically.
If you provide a custom operation ID, you need to make sure it is
unique for the whole API.
You can customize the
operation ID generation with the parameter
`generate_unique_id_function` in the `FastAPI` class.
Read more about it in the
[FastAPI docs about how to Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/#custom-generate-unique-id-function).
"""
),
] = None,
response_model_include: Annotated[
IncEx | None,
Doc(
"""
Configuration passed to Pydantic to include only certain fields in the
response data.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
"""
),
] = None,
response_model_exclude: Annotated[
IncEx | None,
Doc(
"""
Configuration passed to Pydantic to exclude certain fields in the
response data.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
"""
),
] = None,
response_model_by_alias: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response model
should be serialized by alias when an alias is used.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
"""
),
] = True,
response_model_exclude_unset: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response data
should have all the fields, including the ones that were not set and
have their default values. This is different from
`response_model_exclude_defaults` in that if the fields are set,
they will be included in the response, even if the value is the same
as the default.
When `True`, default values are omitted from the response.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#use-the-response_model_exclude_unset-parameter).
"""
),
] = False,
response_model_exclude_defaults: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response data
should have all the fields, including the ones that have the same value
as the default. This is different from `response_model_exclude_unset`
in that if the fields are set but contain the same default values,
they will be excluded from the response.
When `True`, default values are omitted from the response.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#use-the-response_model_exclude_unset-parameter).
"""
),
] = False,
response_model_exclude_none: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response data should
exclude fields set to `None`.
This is much simpler (less smart) than `response_model_exclude_unset`
and `response_model_exclude_defaults`. You probably want to use one of
those two instead of this one, as those allow returning `None` values
when it makes sense.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_exclude_none).
"""
),
] = False,
include_in_schema: Annotated[
bool,
Doc(
"""
Include this *path operation* in the generated OpenAPI schema.
This affects the generated OpenAPI (e.g. visible at `/docs`).
Read more about it in the
[FastAPI docs for Query Parameters and String Validations](https://fastapi.tiangolo.com/tutorial/query-params-str-validations/#exclude-parameters-from-openapi).
"""
),
] = True,
response_class: Annotated[
type[Response],
Doc(
"""
Response class to be used for this *path operation*.
This will not be used if you return a response directly.
Read more about it in the
[FastAPI docs for Custom Response - HTML, Stream, File, others](https://fastapi.tiangolo.com/advanced/custom-response/#redirectresponse).
"""
),
] = Default(JSONResponse),
name: Annotated[
str | None,
Doc(
"""
Name for this *path operation*. Only used internally.
"""
),
] = None,
callbacks: Annotated[
list[BaseRoute] | None,
Doc(
"""
List of *path operations* that will be used as OpenAPI callbacks.
This is only for OpenAPI documentation, the callbacks won't be used
directly.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
Read more about it in the
[FastAPI docs for OpenAPI Callbacks](https://fastapi.tiangolo.com/advanced/openapi-callbacks/).
"""
),
] = None,
openapi_extra: Annotated[
dict[str, Any] | None,
Doc(
"""
Extra metadata to be included in the OpenAPI schema for this *path
operation*.
Read more about it in the
[FastAPI docs for Path Operation Advanced Configuration](https://fastapi.tiangolo.com/advanced/path-operation-advanced-configuration/#custom-openapi-path-operation-schema).
"""
),
] = None,
generate_unique_id_function: Annotated[
Callable[[APIRoute], str],
Doc(
"""
Customize the function used to generate unique IDs for the *path
operations* shown in the generated OpenAPI.
This is particularly useful when automatically generating clients or
SDKs for your API.
Read more about it in the
[FastAPI docs about how to Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/#custom-generate-unique-id-function).
"""
),
] = Default(generate_unique_id),
) -> Callable[[DecoratedCallable], DecoratedCallable]:
"""
Add a *path operation* using an HTTP POST operation.
## Example
```python
from fastapi import APIRouter, FastAPI
from pydantic import BaseModel
class Item(BaseModel):
name: str
description: str | None = None
app = FastAPI()
router = APIRouter()
@router.post("/items/")
def create_item(item: Item):
return {"message": "Item created"}
app.include_router(router)
```
"""
return self.api_route(
path=path,
response_model=response_model,
status_code=status_code,
tags=tags,
dependencies=dependencies,
summary=summary,
description=description,
response_description=response_description,
responses=responses,
deprecated=deprecated,
methods=["POST"],
operation_id=operation_id,
response_model_include=response_model_include,
response_model_exclude=response_model_exclude,
response_model_by_alias=response_model_by_alias,
response_model_exclude_unset=response_model_exclude_unset,
response_model_exclude_defaults=response_model_exclude_defaults,
response_model_exclude_none=response_model_exclude_none,
include_in_schema=include_in_schema,
response_class=response_class,
name=name,
callbacks=callbacks,
openapi_extra=openapi_extra,
generate_unique_id_function=generate_unique_id_function,
)
def delete(
self,
path: Annotated[
str,
Doc(
"""
The URL path to be used for this *path operation*.
For example, in `http://example.com/items`, the path is `/items`.
"""
),
],
*,
response_model: Annotated[
Any,
Doc(
"""
The type to use for the response.
It could be any valid Pydantic *field* type. So, it doesn't have to
be a Pydantic model, it could be other things, like a `list`, `dict`,
etc.
It will be used for:
* Documentation: the generated OpenAPI (and the UI at `/docs`) will
show it as the response (JSON Schema).
* Serialization: you could return an arbitrary object and the
`response_model` would be used to serialize that object into the
corresponding JSON.
* Filtering: the JSON sent to the client will only contain the data
(fields) defined in the `response_model`. If you returned an object
that contains an attribute `password` but the `response_model` does
not include that field, the JSON sent to the client would not have
that `password`.
* Validation: whatever you return will be serialized with the
`response_model`, converting any data as necessary to generate the
corresponding JSON. But if the data in the object returned is not
valid, that would mean a violation of the contract with the client,
so it's an error from the API developer. So, FastAPI will raise an
error and return a 500 error code (Internal Server Error).
Read more about it in the
[FastAPI docs for Response Model](https://fastapi.tiangolo.com/tutorial/response-model/).
"""
),
] = Default(None),
status_code: Annotated[
int | None,
Doc(
"""
The default status code to be used for the response.
You could override the status code by returning a response directly.
Read more about it in the
[FastAPI docs for Response Status Code](https://fastapi.tiangolo.com/tutorial/response-status-code/).
"""
),
] = None,
tags: Annotated[
list[str | Enum] | None,
Doc(
"""
A list of tags to be applied to the *path operation*.
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/#tags).
"""
),
] = None,
dependencies: Annotated[
Sequence[params.Depends] | None,
Doc(
"""
A list of dependencies (using `Depends()`) to be applied to the
*path operation*.
Read more about it in the
[FastAPI docs for Dependencies in path operation decorators](https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/).
"""
),
] = None,
summary: Annotated[
str | None,
Doc(
"""
A summary for the *path operation*.
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/).
"""
),
] = None,
description: Annotated[
str | None,
Doc(
"""
A description for the *path operation*.
If not provided, it will be extracted automatically from the docstring
of the *path operation function*.
It can contain Markdown.
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/).
"""
),
] = None,
response_description: Annotated[
str,
Doc(
"""
The description for the default response.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
"""
),
] = "Successful Response",
responses: Annotated[
dict[int | str, dict[str, Any]] | None,
Doc(
"""
Additional responses that could be returned by this *path operation*.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
"""
),
] = None,
deprecated: Annotated[
bool | None,
Doc(
"""
Mark this *path operation* as deprecated.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
"""
),
] = None,
operation_id: Annotated[
str | None,
Doc(
"""
Custom operation ID to be used by this *path operation*.
By default, it is generated automatically.
If you provide a custom operation ID, you need to make sure it is
unique for the whole API.
You can customize the
operation ID generation with the parameter
`generate_unique_id_function` in the `FastAPI` class.
Read more about it in the
[FastAPI docs about how to Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/#custom-generate-unique-id-function).
"""
),
] = None,
response_model_include: Annotated[
IncEx | None,
Doc(
"""
Configuration passed to Pydantic to include only certain fields in the
response data.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
"""
),
] = None,
response_model_exclude: Annotated[
IncEx | None,
Doc(
"""
Configuration passed to Pydantic to exclude certain fields in the
response data.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
"""
),
] = None,
response_model_by_alias: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response model
should be serialized by alias when an alias is used.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
"""
),
] = True,
response_model_exclude_unset: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response data
should have all the fields, including the ones that were not set and
have their default values. This is different from
`response_model_exclude_defaults` in that if the fields are set,
they will be included in the response, even if the value is the same
as the default.
When `True`, default values are omitted from the response.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#use-the-response_model_exclude_unset-parameter).
"""
),
] = False,
response_model_exclude_defaults: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response data
should have all the fields, including the ones that have the same value
as the default. This is different from `response_model_exclude_unset`
in that if the fields are set but contain the same default values,
they will be excluded from the response.
When `True`, default values are omitted from the response.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#use-the-response_model_exclude_unset-parameter).
"""
),
] = False,
response_model_exclude_none: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response data should
exclude fields set to `None`.
This is much simpler (less smart) than `response_model_exclude_unset`
and `response_model_exclude_defaults`. You probably want to use one of
those two instead of this one, as those allow returning `None` values
when it makes sense.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_exclude_none).
"""
),
] = False,
include_in_schema: Annotated[
bool,
Doc(
"""
Include this *path operation* in the generated OpenAPI schema.
This affects the generated OpenAPI (e.g. visible at `/docs`).
Read more about it in the
[FastAPI docs for Query Parameters and String Validations](https://fastapi.tiangolo.com/tutorial/query-params-str-validations/#exclude-parameters-from-openapi).
"""
),
] = True,
response_class: Annotated[
type[Response],
Doc(
"""
Response class to be used for this *path operation*.
This will not be used if you return a response directly.
Read more about it in the
[FastAPI docs for Custom Response - HTML, Stream, File, others](https://fastapi.tiangolo.com/advanced/custom-response/#redirectresponse).
"""
),
] = Default(JSONResponse),
name: Annotated[
str | None,
Doc(
"""
Name for this *path operation*. Only used internally.
"""
),
] = None,
callbacks: Annotated[
list[BaseRoute] | None,
Doc(
"""
List of *path operations* that will be used as OpenAPI callbacks.
This is only for OpenAPI documentation, the callbacks won't be used
directly.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
Read more about it in the
[FastAPI docs for OpenAPI Callbacks](https://fastapi.tiangolo.com/advanced/openapi-callbacks/).
"""
),
] = None,
openapi_extra: Annotated[
dict[str, Any] | None,
Doc(
"""
Extra metadata to be included in the OpenAPI schema for this *path
operation*.
Read more about it in the
[FastAPI docs for Path Operation Advanced Configuration](https://fastapi.tiangolo.com/advanced/path-operation-advanced-configuration/#custom-openapi-path-operation-schema).
"""
),
] = None,
generate_unique_id_function: Annotated[
Callable[[APIRoute], str],
Doc(
"""
Customize the function used to generate unique IDs for the *path
operations* shown in the generated OpenAPI.
This is particularly useful when automatically generating clients or
SDKs for your API.
Read more about it in the
[FastAPI docs about how to Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/#custom-generate-unique-id-function).
"""
),
] = Default(generate_unique_id),
) -> Callable[[DecoratedCallable], DecoratedCallable]:
"""
Add a *path operation* using an HTTP DELETE operation.
## Example
```python
from fastapi import APIRouter, FastAPI
app = FastAPI()
router = APIRouter()
@router.delete("/items/{item_id}")
def delete_item(item_id: str):
return {"message": "Item deleted"}
app.include_router(router)
```
"""
return self.api_route(
path=path,
response_model=response_model,
status_code=status_code,
tags=tags,
dependencies=dependencies,
summary=summary,
description=description,
response_description=response_description,
responses=responses,
deprecated=deprecated,
methods=["DELETE"],
operation_id=operation_id,
response_model_include=response_model_include,
response_model_exclude=response_model_exclude,
response_model_by_alias=response_model_by_alias,
response_model_exclude_unset=response_model_exclude_unset,
response_model_exclude_defaults=response_model_exclude_defaults,
response_model_exclude_none=response_model_exclude_none,
include_in_schema=include_in_schema,
response_class=response_class,
name=name,
callbacks=callbacks,
openapi_extra=openapi_extra,
generate_unique_id_function=generate_unique_id_function,
)
def options(
self,
path: Annotated[
str,
Doc(
"""
The URL path to be used for this *path operation*.
For example, in `http://example.com/items`, the path is `/items`.
"""
),
],
*,
response_model: Annotated[
Any,
Doc(
"""
The type to use for the response.
It could be any valid Pydantic *field* type. So, it doesn't have to
be a Pydantic model, it could be other things, like a `list`, `dict`,
etc.
It will be used for:
* Documentation: the generated OpenAPI (and the UI at `/docs`) will
show it as the response (JSON Schema).
* Serialization: you could return an arbitrary object and the
`response_model` would be used to serialize that object into the
corresponding JSON.
* Filtering: the JSON sent to the client will only contain the data
(fields) defined in the `response_model`. If you returned an object
that contains an attribute `password` but the `response_model` does
not include that field, the JSON sent to the client would not have
that `password`.
* Validation: whatever you return will be serialized with the
`response_model`, converting any data as necessary to generate the
corresponding JSON. But if the data in the object returned is not
valid, that would mean a violation of the contract with the client,
so it's an error from the API developer. So, FastAPI will raise an
error and return a 500 error code (Internal Server Error).
Read more about it in the
[FastAPI docs for Response Model](https://fastapi.tiangolo.com/tutorial/response-model/).
"""
),
] = Default(None),
status_code: Annotated[
int | None,
Doc(
"""
The default status code to be used for the response.
You could override the status code by returning a response directly.
Read more about it in the
[FastAPI docs for Response Status Code](https://fastapi.tiangolo.com/tutorial/response-status-code/).
"""
),
] = None,
tags: Annotated[
list[str | Enum] | None,
Doc(
"""
A list of tags to be applied to the *path operation*.
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/#tags).
"""
),
] = None,
dependencies: Annotated[
Sequence[params.Depends] | None,
Doc(
"""
A list of dependencies (using `Depends()`) to be applied to the
*path operation*.
Read more about it in the
[FastAPI docs for Dependencies in path operation decorators](https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/).
"""
),
] = None,
summary: Annotated[
str | None,
Doc(
"""
A summary for the *path operation*.
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/).
"""
),
] = None,
description: Annotated[
str | None,
Doc(
"""
A description for the *path operation*.
If not provided, it will be extracted automatically from the docstring
of the *path operation function*.
It can contain Markdown.
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/).
"""
),
] = None,
response_description: Annotated[
str,
Doc(
"""
The description for the default response.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
"""
),
] = "Successful Response",
responses: Annotated[
dict[int | str, dict[str, Any]] | None,
Doc(
"""
Additional responses that could be returned by this *path operation*.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
"""
),
] = None,
deprecated: Annotated[
bool | None,
Doc(
"""
Mark this *path operation* as deprecated.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
"""
),
] = None,
operation_id: Annotated[
str | None,
Doc(
"""
Custom operation ID to be used by this *path operation*.
By default, it is generated automatically.
If you provide a custom operation ID, you need to make sure it is
unique for the whole API.
You can customize the
operation ID generation with the parameter
`generate_unique_id_function` in the `FastAPI` class.
Read more about it in the
[FastAPI docs about how to Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/#custom-generate-unique-id-function).
"""
),
] = None,
response_model_include: Annotated[
IncEx | None,
Doc(
"""
Configuration passed to Pydantic to include only certain fields in the
response data.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
"""
),
] = None,
response_model_exclude: Annotated[
IncEx | None,
Doc(
"""
Configuration passed to Pydantic to exclude certain fields in the
response data.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
"""
),
] = None,
response_model_by_alias: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response model
should be serialized by alias when an alias is used.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
"""
),
] = True,
response_model_exclude_unset: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response data
should have all the fields, including the ones that were not set and
have their default values. This is different from
`response_model_exclude_defaults` in that if the fields are set,
they will be included in the response, even if the value is the same
as the default.
When `True`, default values are omitted from the response.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#use-the-response_model_exclude_unset-parameter).
"""
),
] = False,
response_model_exclude_defaults: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response data
should have all the fields, including the ones that have the same value
as the default. This is different from `response_model_exclude_unset`
in that if the fields are set but contain the same default values,
they will be excluded from the response.
When `True`, default values are omitted from the response.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#use-the-response_model_exclude_unset-parameter).
"""
),
] = False,
response_model_exclude_none: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response data should
exclude fields set to `None`.
This is much simpler (less smart) than `response_model_exclude_unset`
and `response_model_exclude_defaults`. You probably want to use one of
those two instead of this one, as those allow returning `None` values
when it makes sense.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_exclude_none).
"""
),
] = False,
include_in_schema: Annotated[
bool,
Doc(
"""
Include this *path operation* in the generated OpenAPI schema.
This affects the generated OpenAPI (e.g. visible at `/docs`).
Read more about it in the
[FastAPI docs for Query Parameters and String Validations](https://fastapi.tiangolo.com/tutorial/query-params-str-validations/#exclude-parameters-from-openapi).
"""
),
] = True,
response_class: Annotated[
type[Response],
Doc(
"""
Response class to be used for this *path operation*.
This will not be used if you return a response directly.
Read more about it in the
[FastAPI docs for Custom Response - HTML, Stream, File, others](https://fastapi.tiangolo.com/advanced/custom-response/#redirectresponse).
"""
),
] = Default(JSONResponse),
name: Annotated[
str | None,
Doc(
"""
Name for this *path operation*. Only used internally.
"""
),
] = None,
callbacks: Annotated[
list[BaseRoute] | None,
Doc(
"""
List of *path operations* that will be used as OpenAPI callbacks.
This is only for OpenAPI documentation, the callbacks won't be used
directly.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
Read more about it in the
[FastAPI docs for OpenAPI Callbacks](https://fastapi.tiangolo.com/advanced/openapi-callbacks/).
"""
),
] = None,
openapi_extra: Annotated[
dict[str, Any] | None,
Doc(
"""
Extra metadata to be included in the OpenAPI schema for this *path
operation*.
Read more about it in the
[FastAPI docs for Path Operation Advanced Configuration](https://fastapi.tiangolo.com/advanced/path-operation-advanced-configuration/#custom-openapi-path-operation-schema).
"""
),
] = None,
generate_unique_id_function: Annotated[
Callable[[APIRoute], str],
Doc(
"""
Customize the function used to generate unique IDs for the *path
operations* shown in the generated OpenAPI.
This is particularly useful when automatically generating clients or
SDKs for your API.
Read more about it in the
[FastAPI docs about how to Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/#custom-generate-unique-id-function).
"""
),
] = Default(generate_unique_id),
) -> Callable[[DecoratedCallable], DecoratedCallable]:
"""
Add a *path operation* using an HTTP OPTIONS operation.
## Example
```python
from fastapi import APIRouter, FastAPI
app = FastAPI()
router = APIRouter()
@router.options("/items/")
def get_item_options():
return {"additions": ["Aji", "Guacamole"]}
app.include_router(router)
```
"""
return self.api_route(
path=path,
response_model=response_model,
status_code=status_code,
tags=tags,
dependencies=dependencies,
summary=summary,
description=description,
response_description=response_description,
responses=responses,
deprecated=deprecated,
methods=["OPTIONS"],
operation_id=operation_id,
response_model_include=response_model_include,
response_model_exclude=response_model_exclude,
response_model_by_alias=response_model_by_alias,
response_model_exclude_unset=response_model_exclude_unset,
response_model_exclude_defaults=response_model_exclude_defaults,
response_model_exclude_none=response_model_exclude_none,
include_in_schema=include_in_schema,
response_class=response_class,
name=name,
callbacks=callbacks,
openapi_extra=openapi_extra,
generate_unique_id_function=generate_unique_id_function,
)
def head(
self,
path: Annotated[
str,
Doc(
"""
The URL path to be used for this *path operation*.
For example, in `http://example.com/items`, the path is `/items`.
"""
),
],
*,
response_model: Annotated[
Any,
Doc(
"""
The type to use for the response.
It could be any valid Pydantic *field* type. So, it doesn't have to
be a Pydantic model, it could be other things, like a `list`, `dict`,
etc.
It will be used for:
* Documentation: the generated OpenAPI (and the UI at `/docs`) will
show it as the response (JSON Schema).
* Serialization: you could return an arbitrary object and the
`response_model` would be used to serialize that object into the
corresponding JSON.
* Filtering: the JSON sent to the client will only contain the data
(fields) defined in the `response_model`. If you returned an object
that contains an attribute `password` but the `response_model` does
not include that field, the JSON sent to the client would not have
that `password`.
* Validation: whatever you return will be serialized with the
`response_model`, converting any data as necessary to generate the
corresponding JSON. But if the data in the object returned is not
valid, that would mean a violation of the contract with the client,
so it's an error from the API developer. So, FastAPI will raise an
error and return a 500 error code (Internal Server Error).
Read more about it in the
[FastAPI docs for Response Model](https://fastapi.tiangolo.com/tutorial/response-model/).
"""
),
] = Default(None),
status_code: Annotated[
int | None,
Doc(
"""
The default status code to be used for the response.
You could override the status code by returning a response directly.
Read more about it in the
[FastAPI docs for Response Status Code](https://fastapi.tiangolo.com/tutorial/response-status-code/).
"""
),
] = None,
tags: Annotated[
list[str | Enum] | None,
Doc(
"""
A list of tags to be applied to the *path operation*.
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/#tags).
"""
),
] = None,
dependencies: Annotated[
Sequence[params.Depends] | None,
Doc(
"""
A list of dependencies (using `Depends()`) to be applied to the
*path operation*.
Read more about it in the
[FastAPI docs for Dependencies in path operation decorators](https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/).
"""
),
] = None,
summary: Annotated[
str | None,
Doc(
"""
A summary for the *path operation*.
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/).
"""
),
] = None,
description: Annotated[
str | None,
Doc(
"""
A description for the *path operation*.
If not provided, it will be extracted automatically from the docstring
of the *path operation function*.
It can contain Markdown.
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/).
"""
),
] = None,
response_description: Annotated[
str,
Doc(
"""
The description for the default response.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
"""
),
] = "Successful Response",
responses: Annotated[
dict[int | str, dict[str, Any]] | None,
Doc(
"""
Additional responses that could be returned by this *path operation*.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
"""
),
] = None,
deprecated: Annotated[
bool | None,
Doc(
"""
Mark this *path operation* as deprecated.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
"""
),
] = None,
operation_id: Annotated[
str | None,
Doc(
"""
Custom operation ID to be used by this *path operation*.
By default, it is generated automatically.
If you provide a custom operation ID, you need to make sure it is
unique for the whole API.
You can customize the
operation ID generation with the parameter
`generate_unique_id_function` in the `FastAPI` class.
Read more about it in the
[FastAPI docs about how to Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/#custom-generate-unique-id-function).
"""
),
] = None,
response_model_include: Annotated[
IncEx | None,
Doc(
"""
Configuration passed to Pydantic to include only certain fields in the
response data.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
"""
),
] = None,
response_model_exclude: Annotated[
IncEx | None,
Doc(
"""
Configuration passed to Pydantic to exclude certain fields in the
response data.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
"""
),
] = None,
response_model_by_alias: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response model
should be serialized by alias when an alias is used.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
"""
),
] = True,
response_model_exclude_unset: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response data
should have all the fields, including the ones that were not set and
have their default values. This is different from
`response_model_exclude_defaults` in that if the fields are set,
they will be included in the response, even if the value is the same
as the default.
When `True`, default values are omitted from the response.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#use-the-response_model_exclude_unset-parameter).
"""
),
] = False,
response_model_exclude_defaults: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response data
should have all the fields, including the ones that have the same value
as the default. This is different from `response_model_exclude_unset`
in that if the fields are set but contain the same default values,
they will be excluded from the response.
When `True`, default values are omitted from the response.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#use-the-response_model_exclude_unset-parameter).
"""
),
] = False,
response_model_exclude_none: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response data should
exclude fields set to `None`.
This is much simpler (less smart) than `response_model_exclude_unset`
and `response_model_exclude_defaults`. You probably want to use one of
those two instead of this one, as those allow returning `None` values
when it makes sense.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_exclude_none).
"""
),
] = False,
include_in_schema: Annotated[
bool,
Doc(
"""
Include this *path operation* in the generated OpenAPI schema.
This affects the generated OpenAPI (e.g. visible at `/docs`).
Read more about it in the
[FastAPI docs for Query Parameters and String Validations](https://fastapi.tiangolo.com/tutorial/query-params-str-validations/#exclude-parameters-from-openapi).
"""
),
] = True,
response_class: Annotated[
type[Response],
Doc(
"""
Response class to be used for this *path operation*.
This will not be used if you return a response directly.
Read more about it in the
[FastAPI docs for Custom Response - HTML, Stream, File, others](https://fastapi.tiangolo.com/advanced/custom-response/#redirectresponse).
"""
),
] = Default(JSONResponse),
name: Annotated[
str | None,
Doc(
"""
Name for this *path operation*. Only used internally.
"""
),
] = None,
callbacks: Annotated[
list[BaseRoute] | None,
Doc(
"""
List of *path operations* that will be used as OpenAPI callbacks.
This is only for OpenAPI documentation, the callbacks won't be used
directly.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
Read more about it in the
[FastAPI docs for OpenAPI Callbacks](https://fastapi.tiangolo.com/advanced/openapi-callbacks/).
"""
),
] = None,
openapi_extra: Annotated[
dict[str, Any] | None,
Doc(
"""
Extra metadata to be included in the OpenAPI schema for this *path
operation*.
Read more about it in the
[FastAPI docs for Path Operation Advanced Configuration](https://fastapi.tiangolo.com/advanced/path-operation-advanced-configuration/#custom-openapi-path-operation-schema).
"""
),
] = None,
generate_unique_id_function: Annotated[
Callable[[APIRoute], str],
Doc(
"""
Customize the function used to generate unique IDs for the *path
operations* shown in the generated OpenAPI.
This is particularly useful when automatically generating clients or
SDKs for your API.
Read more about it in the
[FastAPI docs about how to Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/#custom-generate-unique-id-function).
"""
),
] = Default(generate_unique_id),
) -> Callable[[DecoratedCallable], DecoratedCallable]:
"""
Add a *path operation* using an HTTP HEAD operation.
## Example
```python
from fastapi import APIRouter, FastAPI
from pydantic import BaseModel
class Item(BaseModel):
name: str
description: str | None = None
app = FastAPI()
router = APIRouter()
@router.head("/items/", status_code=204)
def get_items_headers(response: Response):
response.headers["X-Cat-Dog"] = "Alone in the world"
app.include_router(router)
```
"""
return self.api_route(
path=path,
response_model=response_model,
status_code=status_code,
tags=tags,
dependencies=dependencies,
summary=summary,
description=description,
response_description=response_description,
responses=responses,
deprecated=deprecated,
methods=["HEAD"],
operation_id=operation_id,
response_model_include=response_model_include,
response_model_exclude=response_model_exclude,
response_model_by_alias=response_model_by_alias,
response_model_exclude_unset=response_model_exclude_unset,
response_model_exclude_defaults=response_model_exclude_defaults,
response_model_exclude_none=response_model_exclude_none,
include_in_schema=include_in_schema,
response_class=response_class,
name=name,
callbacks=callbacks,
openapi_extra=openapi_extra,
generate_unique_id_function=generate_unique_id_function,
)
def patch(
self,
path: Annotated[
str,
Doc(
"""
The URL path to be used for this *path operation*.
For example, in `http://example.com/items`, the path is `/items`.
"""
),
],
*,
response_model: Annotated[
Any,
Doc(
"""
The type to use for the response.
It could be any valid Pydantic *field* type. So, it doesn't have to
be a Pydantic model, it could be other things, like a `list`, `dict`,
etc.
It will be used for:
* Documentation: the generated OpenAPI (and the UI at `/docs`) will
show it as the response (JSON Schema).
* Serialization: you could return an arbitrary object and the
`response_model` would be used to serialize that object into the
corresponding JSON.
* Filtering: the JSON sent to the client will only contain the data
(fields) defined in the `response_model`. If you returned an object
that contains an attribute `password` but the `response_model` does
not include that field, the JSON sent to the client would not have
that `password`.
* Validation: whatever you return will be serialized with the
`response_model`, converting any data as necessary to generate the
corresponding JSON. But if the data in the object returned is not
valid, that would mean a violation of the contract with the client,
so it's an error from the API developer. So, FastAPI will raise an
error and return a 500 error code (Internal Server Error).
Read more about it in the
[FastAPI docs for Response Model](https://fastapi.tiangolo.com/tutorial/response-model/).
"""
),
] = Default(None),
status_code: Annotated[
int | None,
Doc(
"""
The default status code to be used for the response.
You could override the status code by returning a response directly.
Read more about it in the
[FastAPI docs for Response Status Code](https://fastapi.tiangolo.com/tutorial/response-status-code/).
"""
),
] = None,
tags: Annotated[
list[str | Enum] | None,
Doc(
"""
A list of tags to be applied to the *path operation*.
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/#tags).
"""
),
] = None,
dependencies: Annotated[
Sequence[params.Depends] | None,
Doc(
"""
A list of dependencies (using `Depends()`) to be applied to the
*path operation*.
Read more about it in the
[FastAPI docs for Dependencies in path operation decorators](https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/).
"""
),
] = None,
summary: Annotated[
str | None,
Doc(
"""
A summary for the *path operation*.
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/).
"""
),
] = None,
description: Annotated[
str | None,
Doc(
"""
A description for the *path operation*.
If not provided, it will be extracted automatically from the docstring
of the *path operation function*.
It can contain Markdown.
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/).
"""
),
] = None,
response_description: Annotated[
str,
Doc(
"""
The description for the default response.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
"""
),
] = "Successful Response",
responses: Annotated[
dict[int | str, dict[str, Any]] | None,
Doc(
"""
Additional responses that could be returned by this *path operation*.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
"""
),
] = None,
deprecated: Annotated[
bool | None,
Doc(
"""
Mark this *path operation* as deprecated.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
"""
),
] = None,
operation_id: Annotated[
str | None,
Doc(
"""
Custom operation ID to be used by this *path operation*.
By default, it is generated automatically.
If you provide a custom operation ID, you need to make sure it is
unique for the whole API.
You can customize the
operation ID generation with the parameter
`generate_unique_id_function` in the `FastAPI` class.
Read more about it in the
[FastAPI docs about how to Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/#custom-generate-unique-id-function).
"""
),
] = None,
response_model_include: Annotated[
IncEx | None,
Doc(
"""
Configuration passed to Pydantic to include only certain fields in the
response data.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
"""
),
] = None,
response_model_exclude: Annotated[
IncEx | None,
Doc(
"""
Configuration passed to Pydantic to exclude certain fields in the
response data.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
"""
),
] = None,
response_model_by_alias: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response model
should be serialized by alias when an alias is used.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
"""
),
] = True,
response_model_exclude_unset: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response data
should have all the fields, including the ones that were not set and
have their default values. This is different from
`response_model_exclude_defaults` in that if the fields are set,
they will be included in the response, even if the value is the same
as the default.
When `True`, default values are omitted from the response.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#use-the-response_model_exclude_unset-parameter).
"""
),
] = False,
response_model_exclude_defaults: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response data
should have all the fields, including the ones that have the same value
as the default. This is different from `response_model_exclude_unset`
in that if the fields are set but contain the same default values,
they will be excluded from the response.
When `True`, default values are omitted from the response.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#use-the-response_model_exclude_unset-parameter).
"""
),
] = False,
response_model_exclude_none: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response data should
exclude fields set to `None`.
This is much simpler (less smart) than `response_model_exclude_unset`
and `response_model_exclude_defaults`. You probably want to use one of
those two instead of this one, as those allow returning `None` values
when it makes sense.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_exclude_none).
"""
),
] = False,
include_in_schema: Annotated[
bool,
Doc(
"""
Include this *path operation* in the generated OpenAPI schema.
This affects the generated OpenAPI (e.g. visible at `/docs`).
Read more about it in the
[FastAPI docs for Query Parameters and String Validations](https://fastapi.tiangolo.com/tutorial/query-params-str-validations/#exclude-parameters-from-openapi).
"""
),
] = True,
response_class: Annotated[
type[Response],
Doc(
"""
Response class to be used for this *path operation*.
This will not be used if you return a response directly.
Read more about it in the
[FastAPI docs for Custom Response - HTML, Stream, File, others](https://fastapi.tiangolo.com/advanced/custom-response/#redirectresponse).
"""
),
] = Default(JSONResponse),
name: Annotated[
str | None,
Doc(
"""
Name for this *path operation*. Only used internally.
"""
),
] = None,
callbacks: Annotated[
list[BaseRoute] | None,
Doc(
"""
List of *path operations* that will be used as OpenAPI callbacks.
This is only for OpenAPI documentation, the callbacks won't be used
directly.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
Read more about it in the
[FastAPI docs for OpenAPI Callbacks](https://fastapi.tiangolo.com/advanced/openapi-callbacks/).
"""
),
] = None,
openapi_extra: Annotated[
dict[str, Any] | None,
Doc(
"""
Extra metadata to be included in the OpenAPI schema for this *path
operation*.
Read more about it in the
[FastAPI docs for Path Operation Advanced Configuration](https://fastapi.tiangolo.com/advanced/path-operation-advanced-configuration/#custom-openapi-path-operation-schema).
"""
),
] = None,
generate_unique_id_function: Annotated[
Callable[[APIRoute], str],
Doc(
"""
Customize the function used to generate unique IDs for the *path
operations* shown in the generated OpenAPI.
This is particularly useful when automatically generating clients or
SDKs for your API.
Read more about it in the
[FastAPI docs about how to Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/#custom-generate-unique-id-function).
"""
),
] = Default(generate_unique_id),
) -> Callable[[DecoratedCallable], DecoratedCallable]:
"""
Add a *path operation* using an HTTP PATCH operation.
## Example
```python
from fastapi import APIRouter, FastAPI
from pydantic import BaseModel
class Item(BaseModel):
name: str
description: str | None = None
app = FastAPI()
router = APIRouter()
@router.patch("/items/")
def update_item(item: Item):
return {"message": "Item updated in place"}
app.include_router(router)
```
"""
return self.api_route(
path=path,
response_model=response_model,
status_code=status_code,
tags=tags,
dependencies=dependencies,
summary=summary,
description=description,
response_description=response_description,
responses=responses,
deprecated=deprecated,
methods=["PATCH"],
operation_id=operation_id,
response_model_include=response_model_include,
response_model_exclude=response_model_exclude,
response_model_by_alias=response_model_by_alias,
response_model_exclude_unset=response_model_exclude_unset,
response_model_exclude_defaults=response_model_exclude_defaults,
response_model_exclude_none=response_model_exclude_none,
include_in_schema=include_in_schema,
response_class=response_class,
name=name,
callbacks=callbacks,
openapi_extra=openapi_extra,
generate_unique_id_function=generate_unique_id_function,
)
def trace(
self,
path: Annotated[
str,
Doc(
"""
The URL path to be used for this *path operation*.
For example, in `http://example.com/items`, the path is `/items`.
"""
),
],
*,
response_model: Annotated[
Any,
Doc(
"""
The type to use for the response.
It could be any valid Pydantic *field* type. So, it doesn't have to
be a Pydantic model, it could be other things, like a `list`, `dict`,
etc.
It will be used for:
* Documentation: the generated OpenAPI (and the UI at `/docs`) will
show it as the response (JSON Schema).
* Serialization: you could return an arbitrary object and the
`response_model` would be used to serialize that object into the
corresponding JSON.
* Filtering: the JSON sent to the client will only contain the data
(fields) defined in the `response_model`. If you returned an object
that contains an attribute `password` but the `response_model` does
not include that field, the JSON sent to the client would not have
that `password`.
* Validation: whatever you return will be serialized with the
`response_model`, converting any data as necessary to generate the
corresponding JSON. But if the data in the object returned is not
valid, that would mean a violation of the contract with the client,
so it's an error from the API developer. So, FastAPI will raise an
error and return a 500 error code (Internal Server Error).
Read more about it in the
[FastAPI docs for Response Model](https://fastapi.tiangolo.com/tutorial/response-model/).
"""
),
] = Default(None),
status_code: Annotated[
int | None,
Doc(
"""
The default status code to be used for the response.
You could override the status code by returning a response directly.
Read more about it in the
[FastAPI docs for Response Status Code](https://fastapi.tiangolo.com/tutorial/response-status-code/).
"""
),
] = None,
tags: Annotated[
list[str | Enum] | None,
Doc(
"""
A list of tags to be applied to the *path operation*.
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/#tags).
"""
),
] = None,
dependencies: Annotated[
Sequence[params.Depends] | None,
Doc(
"""
A list of dependencies (using `Depends()`) to be applied to the
*path operation*.
Read more about it in the
[FastAPI docs for Dependencies in path operation decorators](https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/).
"""
),
] = None,
summary: Annotated[
str | None,
Doc(
"""
A summary for the *path operation*.
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/).
"""
),
] = None,
description: Annotated[
str | None,
Doc(
"""
A description for the *path operation*.
If not provided, it will be extracted automatically from the docstring
of the *path operation function*.
It can contain Markdown.
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/).
"""
),
] = None,
response_description: Annotated[
str,
Doc(
"""
The description for the default response.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
"""
),
] = "Successful Response",
responses: Annotated[
dict[int | str, dict[str, Any]] | None,
Doc(
"""
Additional responses that could be returned by this *path operation*.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
"""
),
] = None,
deprecated: Annotated[
bool | None,
Doc(
"""
Mark this *path operation* as deprecated.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
"""
),
] = None,
operation_id: Annotated[
str | None,
Doc(
"""
Custom operation ID to be used by this *path operation*.
By default, it is generated automatically.
If you provide a custom operation ID, you need to make sure it is
unique for the whole API.
You can customize the
operation ID generation with the parameter
`generate_unique_id_function` in the `FastAPI` class.
Read more about it in the
[FastAPI docs about how to Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/#custom-generate-unique-id-function).
"""
),
] = None,
response_model_include: Annotated[
IncEx | None,
Doc(
"""
Configuration passed to Pydantic to include only certain fields in the
response data.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
"""
),
] = None,
response_model_exclude: Annotated[
IncEx | None,
Doc(
"""
Configuration passed to Pydantic to exclude certain fields in the
response data.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
"""
),
] = None,
response_model_by_alias: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response model
should be serialized by alias when an alias is used.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
"""
),
] = True,
response_model_exclude_unset: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response data
should have all the fields, including the ones that were not set and
have their default values. This is different from
`response_model_exclude_defaults` in that if the fields are set,
they will be included in the response, even if the value is the same
as the default.
When `True`, default values are omitted from the response.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#use-the-response_model_exclude_unset-parameter).
"""
),
] = False,
response_model_exclude_defaults: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response data
should have all the fields, including the ones that have the same value
as the default. This is different from `response_model_exclude_unset`
in that if the fields are set but contain the same default values,
they will be excluded from the response.
When `True`, default values are omitted from the response.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#use-the-response_model_exclude_unset-parameter).
"""
),
] = False,
response_model_exclude_none: Annotated[
bool,
Doc(
"""
Configuration passed to Pydantic to define if the response data should
exclude fields set to `None`.
This is much simpler (less smart) than `response_model_exclude_unset`
and `response_model_exclude_defaults`. You probably want to use one of
those two instead of this one, as those allow returning `None` values
when it makes sense.
Read more about it in the
[FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_exclude_none).
"""
),
] = False,
include_in_schema: Annotated[
bool,
Doc(
"""
Include this *path operation* in the generated OpenAPI schema.
This affects the generated OpenAPI (e.g. visible at `/docs`).
Read more about it in the
[FastAPI docs for Query Parameters and String Validations](https://fastapi.tiangolo.com/tutorial/query-params-str-validations/#exclude-parameters-from-openapi).
"""
),
] = True,
response_class: Annotated[
type[Response],
Doc(
"""
Response class to be used for this *path operation*.
This will not be used if you return a response directly.
Read more about it in the
[FastAPI docs for Custom Response - HTML, Stream, File, others](https://fastapi.tiangolo.com/advanced/custom-response/#redirectresponse).
"""
),
] = Default(JSONResponse),
name: Annotated[
str | None,
Doc(
"""
Name for this *path operation*. Only used internally.
"""
),
] = None,
callbacks: Annotated[
list[BaseRoute] | None,
Doc(
"""
List of *path operations* that will be used as OpenAPI callbacks.
This is only for OpenAPI documentation, the callbacks won't be used
directly.
It will be added to the generated OpenAPI (e.g. visible at `/docs`).
Read more about it in the
[FastAPI docs for OpenAPI Callbacks](https://fastapi.tiangolo.com/advanced/openapi-callbacks/).
"""
),
] = None,
openapi_extra: Annotated[
dict[str, Any] | None,
Doc(
"""
Extra metadata to be included in the OpenAPI schema for this *path
operation*.
Read more about it in the
[FastAPI docs for Path Operation Advanced Configuration](https://fastapi.tiangolo.com/advanced/path-operation-advanced-configuration/#custom-openapi-path-operation-schema).
"""
),
] = None,
generate_unique_id_function: Annotated[
Callable[[APIRoute], str],
Doc(
"""
Customize the function used to generate unique IDs for the *path
operations* shown in the generated OpenAPI.
This is particularly useful when automatically generating clients or
SDKs for your API.
Read more about it in the
[FastAPI docs about how to Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/#custom-generate-unique-id-function).
"""
),
] = Default(generate_unique_id),
) -> Callable[[DecoratedCallable], DecoratedCallable]:
"""
Add a *path operation* using an HTTP TRACE operation.
## Example
```python
from fastapi import APIRouter, FastAPI
from pydantic import BaseModel
class Item(BaseModel):
name: str
description: str | None = None
app = FastAPI()
router = APIRouter()
@router.trace("/items/{item_id}")
def trace_item(item_id: str):
return None
app.include_router(router)
```
"""
return self.api_route(
path=path,
response_model=response_model,
status_code=status_code,
tags=tags,
dependencies=dependencies,
summary=summary,
description=description,
response_description=response_description,
responses=responses,
deprecated=deprecated,
methods=["TRACE"],
operation_id=operation_id,
response_model_include=response_model_include,
response_model_exclude=response_model_exclude,
response_model_by_alias=response_model_by_alias,
response_model_exclude_unset=response_model_exclude_unset,
response_model_exclude_defaults=response_model_exclude_defaults,
response_model_exclude_none=response_model_exclude_none,
include_in_schema=include_in_schema,
response_class=response_class,
name=name,
callbacks=callbacks,
openapi_extra=openapi_extra,
generate_unique_id_function=generate_unique_id_function,
)
# TODO: remove this once the lifespan (or alternative) interface is improved
async def _startup(self) -> None:
"""
Run any `.on_startup` event handlers.
This method is kept for backward compatibility after Starlette removed
support for on_startup/on_shutdown handlers.
Ref: https://github.com/Kludex/starlette/pull/3117
"""
for handler in self.on_startup:
if is_async_callable(handler):
await handler()
else:
handler()
# TODO: remove this once the lifespan (or alternative) interface is improved
async def _shutdown(self) -> None:
"""
Run any `.on_shutdown` event handlers.
This method is kept for backward compatibility after Starlette removed
support for on_startup/on_shutdown handlers.
Ref: https://github.com/Kludex/starlette/pull/3117
"""
for handler in self.on_shutdown:
if is_async_callable(handler):
await handler()
else:
handler()
# TODO: remove this once the lifespan (or alternative) interface is improved
def add_event_handler(
self,
event_type: str,
func: Callable[[], Any],
) -> None:
"""
Add an event handler function for startup or shutdown.
This method is kept for backward compatibility after Starlette removed
support for on_startup/on_shutdown handlers.
Ref: https://github.com/Kludex/starlette/pull/3117
"""
assert event_type in ("startup", "shutdown")
if event_type == "startup":
self.on_startup.append(func)
else:
self.on_shutdown.append(func)
@deprecated(
"""
on_event is deprecated, use lifespan event handlers instead.
Read more about it in the
[FastAPI docs for Lifespan Events](https://fastapi.tiangolo.com/advanced/events/).
"""
)
def on_event(
self,
event_type: Annotated[
str,
Doc(
"""
The type of event. `startup` or `shutdown`.
"""
),
],
) -> Callable[[DecoratedCallable], DecoratedCallable]:
"""
Add an event handler for the router.
`on_event` is deprecated, use `lifespan` event handlers instead.
Read more about it in the
[FastAPI docs for Lifespan Events](https://fastapi.tiangolo.com/advanced/events/#alternative-events-deprecated).
"""
def decorator(func: DecoratedCallable) -> DecoratedCallable:
self.add_event_handler(event_type, func)
return func
return decorator