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Diffstat (limited to '.venv/lib/python3.12/site-packages/fastapi/routing.py')
| -rw-r--r-- | .venv/lib/python3.12/site-packages/fastapi/routing.py | 4439 |
1 files changed, 4439 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/fastapi/routing.py b/.venv/lib/python3.12/site-packages/fastapi/routing.py new file mode 100644 index 00000000..457481e3 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/fastapi/routing.py @@ -0,0 +1,4439 @@ +import asyncio +import dataclasses +import email.message +import inspect +import json +from contextlib import AsyncExitStack, asynccontextmanager +from enum import Enum, IntEnum +from typing import ( + Any, + AsyncIterator, + Callable, + Coroutine, + Dict, + List, + Mapping, + Optional, + Sequence, + Set, + Tuple, + Type, + Union, +) + +from fastapi import params +from fastapi._compat import ( + ModelField, + Undefined, + _get_model_config, + _model_dump, + _normalize_errors, + lenient_issubclass, +) +from fastapi.datastructures import Default, DefaultPlaceholder +from fastapi.dependencies.models import Dependant +from fastapi.dependencies.utils import ( + _should_embed_body_fields, + get_body_field, + get_dependant, + get_flat_dependant, + get_parameterless_sub_dependant, + get_typed_return_annotation, + solve_dependencies, +) +from fastapi.encoders import jsonable_encoder +from fastapi.exceptions import ( + FastAPIError, + RequestValidationError, + ResponseValidationError, + WebSocketRequestValidationError, +) +from fastapi.types import DecoratedCallable, IncEx +from fastapi.utils import ( + create_cloned_field, + create_model_field, + generate_unique_id, + get_value_or_default, + is_body_allowed_for_status_code, +) +from pydantic import BaseModel +from starlette import routing +from starlette.concurrency import run_in_threadpool +from starlette.exceptions import HTTPException +from starlette.requests import Request +from starlette.responses import JSONResponse, Response +from starlette.routing import ( + BaseRoute, + Match, + compile_path, + get_name, + request_response, + websocket_session, +) +from starlette.routing import Mount as Mount # noqa +from starlette.types import AppType, ASGIApp, Lifespan, Scope +from starlette.websockets import WebSocket +from typing_extensions import Annotated, Doc, deprecated + + +def _prepare_response_content( + res: Any, + *, + exclude_unset: bool, + exclude_defaults: bool = False, + exclude_none: bool = False, +) -> Any: + if isinstance(res, BaseModel): + read_with_orm_mode = getattr(_get_model_config(res), "read_with_orm_mode", None) + if read_with_orm_mode: + # Let from_orm extract the data from this model instead of converting + # it now to a dict. + # Otherwise, there's no way to extract lazy data that requires attribute + # access instead of dict iteration, e.g. lazy relationships. + return res + return _model_dump( + res, + by_alias=True, + exclude_unset=exclude_unset, + exclude_defaults=exclude_defaults, + exclude_none=exclude_none, + ) + elif isinstance(res, list): + return [ + _prepare_response_content( + item, + exclude_unset=exclude_unset, + exclude_defaults=exclude_defaults, + exclude_none=exclude_none, + ) + for item in res + ] + elif isinstance(res, dict): + return { + k: _prepare_response_content( + v, + exclude_unset=exclude_unset, + exclude_defaults=exclude_defaults, + exclude_none=exclude_none, + ) + for k, v in res.items() + } + elif dataclasses.is_dataclass(res): + return dataclasses.asdict(res) + return res + + +def _merge_lifespan_context( + original_context: Lifespan[Any], nested_context: Lifespan[Any] +) -> Lifespan[Any]: + @asynccontextmanager + async def merged_lifespan( + app: AppType, + ) -> AsyncIterator[Optional[Mapping[str, Any]]]: + async with original_context(app) as maybe_original_state: + async with nested_context(app) as maybe_nested_state: + if maybe_nested_state is None and maybe_original_state is None: + yield None # old ASGI compatibility + else: + yield {**(maybe_nested_state or {}), **(maybe_original_state or {})} + + return merged_lifespan # type: ignore[return-value] + + +async def serialize_response( + *, + field: Optional[ModelField] = None, + response_content: Any, + include: Optional[IncEx] = None, + exclude: Optional[IncEx] = None, + by_alias: bool = True, + exclude_unset: bool = False, + exclude_defaults: bool = False, + exclude_none: bool = False, + is_coroutine: bool = True, +) -> Any: + if field: + errors = [] + if not hasattr(field, "serialize"): + # pydantic v1 + response_content = _prepare_response_content( + response_content, + exclude_unset=exclude_unset, + exclude_defaults=exclude_defaults, + exclude_none=exclude_none, + ) + if is_coroutine: + value, errors_ = field.validate(response_content, {}, loc=("response",)) + else: + value, errors_ = await run_in_threadpool( + field.validate, response_content, {}, loc=("response",) + ) + if isinstance(errors_, list): + errors.extend(errors_) + elif errors_: + errors.append(errors_) + if errors: + raise ResponseValidationError( + errors=_normalize_errors(errors), body=response_content + ) + + if hasattr(field, "serialize"): + return field.serialize( + value, + include=include, + exclude=exclude, + by_alias=by_alias, + exclude_unset=exclude_unset, + exclude_defaults=exclude_defaults, + exclude_none=exclude_none, + ) + + return jsonable_encoder( + value, + include=include, + exclude=exclude, + by_alias=by_alias, + exclude_unset=exclude_unset, + exclude_defaults=exclude_defaults, + exclude_none=exclude_none, + ) + else: + return jsonable_encoder(response_content) + + +async def run_endpoint_function( + *, dependant: Dependant, values: Dict[str, Any], is_coroutine: bool +) -> Any: + # Only called by get_request_handler. Has been split into its own function to + # facilitate profiling endpoints, since inner functions are harder to profile. + assert dependant.call is not None, "dependant.call must be a function" + + if is_coroutine: + return await dependant.call(**values) + else: + return await run_in_threadpool(dependant.call, **values) + + +def get_request_handler( + dependant: Dependant, + body_field: Optional[ModelField] = None, + status_code: Optional[int] = None, + response_class: Union[Type[Response], DefaultPlaceholder] = Default(JSONResponse), + response_field: Optional[ModelField] = None, + response_model_include: Optional[IncEx] = None, + response_model_exclude: Optional[IncEx] = 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, + dependency_overrides_provider: Optional[Any] = None, + embed_body_fields: bool = False, +) -> Callable[[Request], Coroutine[Any, Any, Response]]: + assert dependant.call is not None, "dependant.call must be a function" + is_coroutine = asyncio.iscoroutinefunction(dependant.call) + is_body_form = body_field and isinstance(body_field.field_info, params.Form) + if isinstance(response_class, DefaultPlaceholder): + actual_response_class: Type[Response] = response_class.value + else: + actual_response_class = response_class + + async def app(request: Request) -> Response: + response: Union[Response, None] = None + async with AsyncExitStack() as file_stack: + try: + body: Any = None + if body_field: + if is_body_form: + body = await request.form() + file_stack.push_async_callback(body.close) + else: + body_bytes = await request.body() + if body_bytes: + json_body: Any = Undefined + content_type_value = request.headers.get("content-type") + if not content_type_value: + json_body = await request.json() + else: + message = email.message.Message() + message["content-type"] = content_type_value + if message.get_content_maintype() == "application": + subtype = message.get_content_subtype() + if subtype == "json" or subtype.endswith("+json"): + json_body = await request.json() + if json_body != Undefined: + body = json_body + else: + body = body_bytes + except json.JSONDecodeError as e: + validation_error = RequestValidationError( + [ + { + "type": "json_invalid", + "loc": ("body", e.pos), + "msg": "JSON decode error", + "input": {}, + "ctx": {"error": e.msg}, + } + ], + body=e.doc, + ) + raise validation_error from e + except HTTPException: + # If a middleware raises an HTTPException, it should be raised again + raise + except Exception as e: + http_error = HTTPException( + status_code=400, detail="There was an error parsing the body" + ) + raise http_error from e + errors: List[Any] = [] + async with AsyncExitStack() as async_exit_stack: + solved_result = await solve_dependencies( + request=request, + dependant=dependant, + body=body, + dependency_overrides_provider=dependency_overrides_provider, + async_exit_stack=async_exit_stack, + embed_body_fields=embed_body_fields, + ) + errors = solved_result.errors + if not errors: + raw_response = await run_endpoint_function( + dependant=dependant, + values=solved_result.values, + is_coroutine=is_coroutine, + ) + if isinstance(raw_response, Response): + if raw_response.background is None: + raw_response.background = solved_result.background_tasks + response = raw_response + else: + response_args: Dict[str, Any] = { + "background": solved_result.background_tasks + } + # If status_code was set, use it, otherwise use the default from the + # response class, in the case of redirect it's 307 + current_status_code = ( + status_code + if status_code + else solved_result.response.status_code + ) + if current_status_code is not None: + response_args["status_code"] = current_status_code + if solved_result.response.status_code: + response_args["status_code"] = ( + solved_result.response.status_code + ) + content = await serialize_response( + field=response_field, + response_content=raw_response, + include=response_model_include, + exclude=response_model_exclude, + by_alias=response_model_by_alias, + exclude_unset=response_model_exclude_unset, + exclude_defaults=response_model_exclude_defaults, + exclude_none=response_model_exclude_none, + is_coroutine=is_coroutine, + ) + response = actual_response_class(content, **response_args) + if not is_body_allowed_for_status_code(response.status_code): + response.body = b"" + response.headers.raw.extend(solved_result.response.headers.raw) + if errors: + validation_error = RequestValidationError( + _normalize_errors(errors), body=body + ) + raise validation_error + if response is None: + raise FastAPIError( + "No response object was returned. There's a high chance that the " + "application code is raising an exception and a dependency with yield " + "has a block with a bare except, or a block with except Exception, " + "and is not raising the exception again. Read more about it in the " + "docs: https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/#dependencies-with-yield-and-except" + ) + return response + + return app + + +def get_websocket_app( + dependant: Dependant, + dependency_overrides_provider: Optional[Any] = None, + embed_body_fields: bool = False, +) -> Callable[[WebSocket], Coroutine[Any, Any, Any]]: + async def app(websocket: WebSocket) -> None: + async with AsyncExitStack() as async_exit_stack: + # TODO: remove this scope later, after a few releases + # This scope fastapi_astack is no longer used by FastAPI, kept for + # compatibility, just in case + websocket.scope["fastapi_astack"] = async_exit_stack + solved_result = await solve_dependencies( + request=websocket, + dependant=dependant, + dependency_overrides_provider=dependency_overrides_provider, + async_exit_stack=async_exit_stack, + embed_body_fields=embed_body_fields, + ) + if solved_result.errors: + raise WebSocketRequestValidationError( + _normalize_errors(solved_result.errors) + ) + assert dependant.call is not None, "dependant.call must be a function" + await dependant.call(**solved_result.values) + + return app + + +class APIWebSocketRoute(routing.WebSocketRoute): + def __init__( + self, + path: str, + endpoint: Callable[..., Any], + *, + name: Optional[str] = None, + dependencies: Optional[Sequence[params.Depends]] = None, + dependency_overrides_provider: Optional[Any] = None, + ) -> None: + self.path = path + self.endpoint = endpoint + self.name = get_name(endpoint) if name is None else name + self.dependencies = list(dependencies or []) + self.path_regex, self.path_format, self.param_convertors = compile_path(path) + self.dependant = get_dependant(path=self.path_format, call=self.endpoint) + for depends in self.dependencies[::-1]: + self.dependant.dependencies.insert( + 0, + get_parameterless_sub_dependant(depends=depends, path=self.path_format), + ) + self._flat_dependant = get_flat_dependant(self.dependant) + self._embed_body_fields = _should_embed_body_fields( + self._flat_dependant.body_params + ) + self.app = websocket_session( + get_websocket_app( + dependant=self.dependant, + dependency_overrides_provider=dependency_overrides_provider, + embed_body_fields=self._embed_body_fields, + ) + ) + + def matches(self, scope: Scope) -> Tuple[Match, Scope]: + match, child_scope = super().matches(scope) + if match != Match.NONE: + child_scope["route"] = self + return match, child_scope + + +class APIRoute(routing.Route): + def __init__( + self, + path: str, + endpoint: Callable[..., Any], + *, + response_model: Any = Default(None), + status_code: Optional[int] = None, + tags: Optional[List[Union[str, Enum]]] = None, + dependencies: Optional[Sequence[params.Depends]] = None, + summary: Optional[str] = None, + description: Optional[str] = None, + response_description: str = "Successful Response", + responses: Optional[Dict[Union[int, str], Dict[str, Any]]] = None, + deprecated: Optional[bool] = None, + name: Optional[str] = None, + methods: Optional[Union[Set[str], List[str]]] = None, + operation_id: Optional[str] = None, + response_model_include: Optional[IncEx] = None, + response_model_exclude: Optional[IncEx] = 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: Union[Type[Response], DefaultPlaceholder] = Default( + JSONResponse + ), + dependency_overrides_provider: Optional[Any] = None, + callbacks: Optional[List[BaseRoute]] = None, + openapi_extra: Optional[Dict[str, Any]] = None, + generate_unique_id_function: Union[ + Callable[["APIRoute"], str], DefaultPlaceholder + ] = Default(generate_unique_id), + ) -> None: + self.path = path + self.endpoint = endpoint + if isinstance(response_model, DefaultPlaceholder): + return_annotation = get_typed_return_annotation(endpoint) + if lenient_issubclass(return_annotation, Response): + response_model = None + else: + response_model = return_annotation + self.response_model = response_model + self.summary = summary + self.response_description = response_description + self.deprecated = deprecated + self.operation_id = operation_id + self.response_model_include = response_model_include + self.response_model_exclude = response_model_exclude + self.response_model_by_alias = response_model_by_alias + self.response_model_exclude_unset = response_model_exclude_unset + self.response_model_exclude_defaults = response_model_exclude_defaults + self.response_model_exclude_none = response_model_exclude_none + self.include_in_schema = include_in_schema + self.response_class = response_class + self.dependency_overrides_provider = dependency_overrides_provider + self.callbacks = callbacks + self.openapi_extra = openapi_extra + self.generate_unique_id_function = generate_unique_id_function + self.tags = tags or [] + self.responses = responses or {} + self.name = get_name(endpoint) if name is None else name + self.path_regex, self.path_format, self.param_convertors = compile_path(path) + if methods is None: + methods = ["GET"] + self.methods: Set[str] = {method.upper() for method in methods} + if isinstance(generate_unique_id_function, DefaultPlaceholder): + current_generate_unique_id: Callable[[APIRoute], str] = ( + generate_unique_id_function.value + ) + else: + current_generate_unique_id = generate_unique_id_function + self.unique_id = self.operation_id or current_generate_unique_id(self) + # normalize enums e.g. http.HTTPStatus + if isinstance(status_code, IntEnum): + status_code = int(status_code) + self.status_code = status_code + if self.response_model: + assert is_body_allowed_for_status_code(status_code), ( + f"Status code {status_code} must not have a response body" + ) + response_name = "Response_" + self.unique_id + self.response_field = create_model_field( + name=response_name, + type_=self.response_model, + mode="serialization", + ) + # Create a clone of the field, so that a Pydantic submodel is not returned + # as is just because it's an instance of a subclass of a more limited class + # e.g. UserInDB (containing hashed_password) could be a subclass of User + # that doesn't have the hashed_password. But because it's a subclass, it + # would pass the validation and be returned as is. + # By being a new field, no inheritance will be passed as is. A new model + # will always be created. + # TODO: remove when deprecating Pydantic v1 + self.secure_cloned_response_field: Optional[ModelField] = ( + create_cloned_field(self.response_field) + ) + else: + self.response_field = None # type: ignore + self.secure_cloned_response_field = None + self.dependencies = list(dependencies or []) + self.description = description or inspect.cleandoc(self.endpoint.__doc__ or "") + # if a "form feed" character (page break) is found in the description text, + # truncate description text to the content preceding the first "form feed" + self.description = self.description.split("\f")[0].strip() + response_fields = {} + for additional_status_code, response in self.responses.items(): + assert isinstance(response, dict), "An additional response must be a dict" + model = response.get("model") + if model: + assert is_body_allowed_for_status_code(additional_status_code), ( + f"Status code {additional_status_code} must not have a response body" + ) + response_name = f"Response_{additional_status_code}_{self.unique_id}" + response_field = create_model_field( + name=response_name, type_=model, mode="serialization" + ) + response_fields[additional_status_code] = response_field + if response_fields: + self.response_fields: Dict[Union[int, str], ModelField] = response_fields + else: + self.response_fields = {} + + assert callable(endpoint), "An endpoint must be a callable" + self.dependant = get_dependant(path=self.path_format, call=self.endpoint) + for depends in self.dependencies[::-1]: + self.dependant.dependencies.insert( + 0, + get_parameterless_sub_dependant(depends=depends, path=self.path_format), + ) + self._flat_dependant = get_flat_dependant(self.dependant) + self._embed_body_fields = _should_embed_body_fields( + self._flat_dependant.body_params + ) + self.body_field = get_body_field( + flat_dependant=self._flat_dependant, + name=self.unique_id, + embed_body_fields=self._embed_body_fields, + ) + self.app = request_response(self.get_route_handler()) + + def get_route_handler(self) -> Callable[[Request], Coroutine[Any, Any, Response]]: + return get_request_handler( + dependant=self.dependant, + body_field=self.body_field, + status_code=self.status_code, + response_class=self.response_class, + response_field=self.secure_cloned_response_field, + response_model_include=self.response_model_include, + response_model_exclude=self.response_model_exclude, + response_model_by_alias=self.response_model_by_alias, + response_model_exclude_unset=self.response_model_exclude_unset, + response_model_exclude_defaults=self.response_model_exclude_defaults, + response_model_exclude_none=self.response_model_exclude_none, + dependency_overrides_provider=self.dependency_overrides_provider, + embed_body_fields=self._embed_body_fields, + ) + + def matches(self, scope: Scope) -> Tuple[Match, Scope]: + match, child_scope = super().matches(scope) + if match != Match.NONE: + child_scope["route"] = self + return match, child_scope + + +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[ + Optional[List[Union[str, Enum]]], + 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[ + Optional[Sequence[params.Depends]], + 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[ + Optional[Dict[Union[int, str], Dict[str, Any]]], + 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[ + Optional[List[BaseRoute]], + 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[ + Optional[List[BaseRoute]], + 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[ + Optional[ASGIApp], + Doc( + """ + Default function handler for this router. Used to handle + 404 Not Found errors. + """ + ), + ] = None, + dependency_overrides_provider: Annotated[ + Optional[Any], + 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[ + Optional[Sequence[Callable[[], Any]]], + 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[ + Optional[Sequence[Callable[[], Any]]], + 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[ + Optional[Lifespan[Any]], + 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[ + Optional[bool], + 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-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), + ) -> None: + super().__init__( + routes=routes, + redirect_slashes=redirect_slashes, + default=default, + on_startup=on_startup, + on_shutdown=on_shutdown, + lifespan=lifespan, + ) + 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 '/'" + ) + self.prefix = prefix + self.tags: List[Union[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 + + def route( + self, + path: str, + methods: Optional[List[str]] = None, + name: Optional[str] = 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: Optional[int] = None, + tags: Optional[List[Union[str, Enum]]] = None, + dependencies: Optional[Sequence[params.Depends]] = None, + summary: Optional[str] = None, + description: Optional[str] = None, + response_description: str = "Successful Response", + responses: Optional[Dict[Union[int, str], Dict[str, Any]]] = None, + deprecated: Optional[bool] = None, + methods: Optional[Union[Set[str], List[str]]] = None, + operation_id: Optional[str] = None, + response_model_include: Optional[IncEx] = None, + response_model_exclude: Optional[IncEx] = 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: Union[Type[Response], DefaultPlaceholder] = Default( + JSONResponse + ), + name: Optional[str] = None, + route_class_override: Optional[Type[APIRoute]] = None, + callbacks: Optional[List[BaseRoute]] = None, + openapi_extra: Optional[Dict[str, Any]] = None, + generate_unique_id_function: Union[ + Callable[[APIRoute], str], DefaultPlaceholder + ] = Default(generate_unique_id), + ) -> 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, + ) + self.routes.append(route) + + def api_route( + self, + path: str, + *, + response_model: Any = Default(None), + status_code: Optional[int] = None, + tags: Optional[List[Union[str, Enum]]] = None, + dependencies: Optional[Sequence[params.Depends]] = None, + summary: Optional[str] = None, + description: Optional[str] = None, + response_description: str = "Successful Response", + responses: Optional[Dict[Union[int, str], Dict[str, Any]]] = None, + deprecated: Optional[bool] = None, + methods: Optional[List[str]] = None, + operation_id: Optional[str] = None, + response_model_include: Optional[IncEx] = None, + response_model_exclude: Optional[IncEx] = 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: Optional[str] = None, + callbacks: Optional[List[BaseRoute]] = None, + openapi_extra: Optional[Dict[str, Any]] = 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: Optional[str] = None, + *, + dependencies: Optional[Sequence[params.Depends]] = 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[ + Optional[str], + Doc( + """ + A name for the WebSocket. Only used internally. + """ + ), + ] = None, + *, + dependencies: Annotated[ + Optional[Sequence[params.Depends]], + 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: Union[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[ + Optional[List[Union[str, Enum]]], + 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[ + Optional[Sequence[params.Depends]], + 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[ + Optional[Dict[Union[int, str], Dict[str, Any]]], + 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[ + Optional[List[BaseRoute]], + 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[ + Optional[bool], + 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) + ``` + """ + 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, + ) + 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[ + Optional[int], + 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[ + Optional[List[Union[str, Enum]]], + 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[ + Optional[Sequence[params.Depends]], + 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[ + Optional[str], + 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[ + Optional[str], + 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[ + Optional[Dict[Union[int, str], Dict[str, Any]]], + 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[ + Optional[bool], + Doc( + """ + Mark this *path operation* as deprecated. + + It will be added to the generated OpenAPI (e.g. visible at `/docs`). + """ + ), + ] = None, + operation_id: Annotated[ + Optional[str], + 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[ + Optional[IncEx], + 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[ + Optional[IncEx], + 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-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[ + Optional[str], + Doc( + """ + Name for this *path operation*. Only used internally. + """ + ), + ] = None, + callbacks: Annotated[ + Optional[List[BaseRoute]], + 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[ + Optional[Dict[str, Any]], + 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[ + Optional[int], + 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[ + Optional[List[Union[str, Enum]]], + 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[ + Optional[Sequence[params.Depends]], + 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[ + Optional[str], + 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[ + Optional[str], + 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[ + Optional[Dict[Union[int, str], Dict[str, Any]]], + 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[ + Optional[bool], + Doc( + """ + Mark this *path operation* as deprecated. + + It will be added to the generated OpenAPI (e.g. visible at `/docs`). + """ + ), + ] = None, + operation_id: Annotated[ + Optional[str], + 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[ + Optional[IncEx], + 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[ + Optional[IncEx], + 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-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[ + Optional[str], + Doc( + """ + Name for this *path operation*. Only used internally. + """ + ), + ] = None, + callbacks: Annotated[ + Optional[List[BaseRoute]], + 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[ + Optional[Dict[str, Any]], + 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[ + Optional[int], + 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[ + Optional[List[Union[str, Enum]]], + 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[ + Optional[Sequence[params.Depends]], + 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[ + Optional[str], + 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[ + Optional[str], + 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[ + Optional[Dict[Union[int, str], Dict[str, Any]]], + 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[ + Optional[bool], + Doc( + """ + Mark this *path operation* as deprecated. + + It will be added to the generated OpenAPI (e.g. visible at `/docs`). + """ + ), + ] = None, + operation_id: Annotated[ + Optional[str], + 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[ + Optional[IncEx], + 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[ + Optional[IncEx], + 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-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[ + Optional[str], + Doc( + """ + Name for this *path operation*. Only used internally. + """ + ), + ] = None, + callbacks: Annotated[ + Optional[List[BaseRoute]], + 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[ + Optional[Dict[str, Any]], + 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[ + Optional[int], + 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[ + Optional[List[Union[str, Enum]]], + 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[ + Optional[Sequence[params.Depends]], + 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[ + Optional[str], + 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[ + Optional[str], + 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[ + Optional[Dict[Union[int, str], Dict[str, Any]]], + 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[ + Optional[bool], + Doc( + """ + Mark this *path operation* as deprecated. + + It will be added to the generated OpenAPI (e.g. visible at `/docs`). + """ + ), + ] = None, + operation_id: Annotated[ + Optional[str], + 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[ + Optional[IncEx], + 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[ + Optional[IncEx], + 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-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[ + Optional[str], + Doc( + """ + Name for this *path operation*. Only used internally. + """ + ), + ] = None, + callbacks: Annotated[ + Optional[List[BaseRoute]], + 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[ + Optional[Dict[str, Any]], + 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[ + Optional[int], + 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[ + Optional[List[Union[str, Enum]]], + 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[ + Optional[Sequence[params.Depends]], + 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[ + Optional[str], + 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[ + Optional[str], + 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[ + Optional[Dict[Union[int, str], Dict[str, Any]]], + 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[ + Optional[bool], + Doc( + """ + Mark this *path operation* as deprecated. + + It will be added to the generated OpenAPI (e.g. visible at `/docs`). + """ + ), + ] = None, + operation_id: Annotated[ + Optional[str], + 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[ + Optional[IncEx], + 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[ + Optional[IncEx], + 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-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[ + Optional[str], + Doc( + """ + Name for this *path operation*. Only used internally. + """ + ), + ] = None, + callbacks: Annotated[ + Optional[List[BaseRoute]], + 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[ + Optional[Dict[str, Any]], + 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[ + Optional[int], + 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[ + Optional[List[Union[str, Enum]]], + 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[ + Optional[Sequence[params.Depends]], + 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[ + Optional[str], + 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[ + Optional[str], + 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[ + Optional[Dict[Union[int, str], Dict[str, Any]]], + 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[ + Optional[bool], + Doc( + """ + Mark this *path operation* as deprecated. + + It will be added to the generated OpenAPI (e.g. visible at `/docs`). + """ + ), + ] = None, + operation_id: Annotated[ + Optional[str], + 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[ + Optional[IncEx], + 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[ + Optional[IncEx], + 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-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[ + Optional[str], + Doc( + """ + Name for this *path operation*. Only used internally. + """ + ), + ] = None, + callbacks: Annotated[ + Optional[List[BaseRoute]], + 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[ + Optional[Dict[str, Any]], + 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[ + Optional[int], + 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[ + Optional[List[Union[str, Enum]]], + 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[ + Optional[Sequence[params.Depends]], + 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[ + Optional[str], + 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[ + Optional[str], + 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[ + Optional[Dict[Union[int, str], Dict[str, Any]]], + 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[ + Optional[bool], + Doc( + """ + Mark this *path operation* as deprecated. + + It will be added to the generated OpenAPI (e.g. visible at `/docs`). + """ + ), + ] = None, + operation_id: Annotated[ + Optional[str], + 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[ + Optional[IncEx], + 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[ + Optional[IncEx], + 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-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[ + Optional[str], + Doc( + """ + Name for this *path operation*. Only used internally. + """ + ), + ] = None, + callbacks: Annotated[ + Optional[List[BaseRoute]], + 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[ + Optional[Dict[str, Any]], + 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[ + Optional[int], + 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[ + Optional[List[Union[str, Enum]]], + 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[ + Optional[Sequence[params.Depends]], + 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[ + Optional[str], + 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[ + Optional[str], + 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[ + Optional[Dict[Union[int, str], Dict[str, Any]]], + 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[ + Optional[bool], + Doc( + """ + Mark this *path operation* as deprecated. + + It will be added to the generated OpenAPI (e.g. visible at `/docs`). + """ + ), + ] = None, + operation_id: Annotated[ + Optional[str], + 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[ + Optional[IncEx], + 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[ + Optional[IncEx], + 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-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[ + Optional[str], + Doc( + """ + Name for this *path operation*. Only used internally. + """ + ), + ] = None, + callbacks: Annotated[ + Optional[List[BaseRoute]], + 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[ + Optional[Dict[str, Any]], + 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, + ) + + @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 |