From 6d7ba58f880be618ade07f8ea080fe8c4bf8a896 Mon Sep 17 00:00:00 2001 From: cyfraeviolae Date: Wed, 3 Apr 2024 03:10:44 -0400 Subject: venv --- .../litestar/handlers/http_handlers/__init__.py | 15 + .../__pycache__/__init__.cpython-311.pyc | Bin 0 -> 584 bytes .../__pycache__/_utils.cpython-311.pyc | Bin 0 -> 9051 bytes .../http_handlers/__pycache__/base.cpython-311.pyc | Bin 0 -> 32501 bytes .../__pycache__/decorators.cpython-311.pyc | Bin 0 -> 58348 bytes .../litestar/handlers/http_handlers/_utils.py | 221 ++++ .../litestar/handlers/http_handlers/base.py | 591 +++++++++++ .../litestar/handlers/http_handlers/decorators.py | 1096 ++++++++++++++++++++ 8 files changed, 1923 insertions(+) create mode 100644 venv/lib/python3.11/site-packages/litestar/handlers/http_handlers/__init__.py create mode 100644 venv/lib/python3.11/site-packages/litestar/handlers/http_handlers/__pycache__/__init__.cpython-311.pyc create mode 100644 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b/venv/lib/python3.11/site-packages/litestar/handlers/http_handlers/__init__.py @@ -0,0 +1,15 @@ +from __future__ import annotations + +from .base import HTTPRouteHandler, route +from .decorators import delete, get, head, patch, post, put + +__all__ = ( + "HTTPRouteHandler", + "delete", + "get", + "head", + "patch", + "post", + "put", + "route", +) diff --git a/venv/lib/python3.11/site-packages/litestar/handlers/http_handlers/__pycache__/__init__.cpython-311.pyc b/venv/lib/python3.11/site-packages/litestar/handlers/http_handlers/__pycache__/__init__.cpython-311.pyc new file mode 100644 index 0000000..848ac8f Binary files /dev/null and b/venv/lib/python3.11/site-packages/litestar/handlers/http_handlers/__pycache__/__init__.cpython-311.pyc differ diff --git a/venv/lib/python3.11/site-packages/litestar/handlers/http_handlers/__pycache__/_utils.cpython-311.pyc b/venv/lib/python3.11/site-packages/litestar/handlers/http_handlers/__pycache__/_utils.cpython-311.pyc new file mode 100644 index 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a/venv/lib/python3.11/site-packages/litestar/handlers/http_handlers/_utils.py b/venv/lib/python3.11/site-packages/litestar/handlers/http_handlers/_utils.py new file mode 100644 index 0000000..ec95145 --- /dev/null +++ b/venv/lib/python3.11/site-packages/litestar/handlers/http_handlers/_utils.py @@ -0,0 +1,221 @@ +from __future__ import annotations + +from functools import lru_cache +from inspect import isawaitable +from typing import TYPE_CHECKING, Any, Sequence, cast + +from litestar.enums import HttpMethod +from litestar.exceptions import ValidationException +from litestar.response import Response +from litestar.status_codes import HTTP_200_OK, HTTP_201_CREATED, HTTP_204_NO_CONTENT +from litestar.types.builtin_types import NoneType + +if TYPE_CHECKING: + from litestar.app import Litestar + from litestar.background_tasks import BackgroundTask, BackgroundTasks + from litestar.connection import Request + from litestar.datastructures import Cookie, ResponseHeader + from litestar.types import AfterRequestHookHandler, ASGIApp, AsyncAnyCallable, Method, TypeEncodersMap + from litestar.typing import FieldDefinition + +__all__ = ( + "create_data_handler", + "create_generic_asgi_response_handler", + "create_response_handler", + "get_default_status_code", + "is_empty_response_annotation", + "normalize_headers", + "normalize_http_method", +) + + +def create_data_handler( + after_request: AfterRequestHookHandler | None, + background: BackgroundTask | BackgroundTasks | None, + cookies: frozenset[Cookie], + headers: frozenset[ResponseHeader], + media_type: str, + response_class: type[Response], + status_code: int, + type_encoders: TypeEncodersMap | None, +) -> AsyncAnyCallable: + """Create a handler function for arbitrary data. + + Args: + after_request: An after request handler. + background: A background task or background tasks. + cookies: A set of pre-defined cookies. + headers: A set of response headers. + media_type: The response media type. + response_class: The response class to use. + status_code: The response status code. + type_encoders: A mapping of types to encoder functions. + + Returns: + A handler function. + + """ + + async def handler( + data: Any, + request: Request[Any, Any, Any], + app: Litestar, + **kwargs: Any, + ) -> ASGIApp: + if isawaitable(data): + data = await data + + response = response_class( + background=background, + content=data, + media_type=media_type, + status_code=status_code, + type_encoders=type_encoders, + ) + + if after_request: + response = await after_request(response) # type: ignore[arg-type,misc] + + return response.to_asgi_response(app=None, request=request, headers=normalize_headers(headers), cookies=cookies) # pyright: ignore + + return handler + + +def create_generic_asgi_response_handler(after_request: AfterRequestHookHandler | None) -> AsyncAnyCallable: + """Create a handler function for Responses. + + Args: + after_request: An after request handler. + + Returns: + A handler function. + """ + + async def handler(data: ASGIApp, **kwargs: Any) -> ASGIApp: + return await after_request(data) if after_request else data # type: ignore[arg-type, misc, no-any-return] + + return handler + + +@lru_cache(1024) +def normalize_headers(headers: frozenset[ResponseHeader]) -> dict[str, str]: + """Given a dictionary of ResponseHeader, filter them and return a dictionary of values. + + Args: + headers: A dictionary of :class:`ResponseHeader ` values + + Returns: + A string keyed dictionary of normalized values + """ + return { + header.name: cast("str", header.value) # we know value to be a string at this point because we validate it + # that it's not None when initializing a header with documentation_only=True + for header in headers + if not header.documentation_only + } + + +def create_response_handler( + after_request: AfterRequestHookHandler | None, + background: BackgroundTask | BackgroundTasks | None, + cookies: frozenset[Cookie], + headers: frozenset[ResponseHeader], + media_type: str, + status_code: int, + type_encoders: TypeEncodersMap | None, +) -> AsyncAnyCallable: + """Create a handler function for Litestar Responses. + + Args: + after_request: An after request handler. + background: A background task or background tasks. + cookies: A set of pre-defined cookies. + headers: A set of response headers. + media_type: The response media type. + status_code: The response status code. + type_encoders: A mapping of types to encoder functions. + + Returns: + A handler function. + """ + + normalized_headers = normalize_headers(headers) + cookie_list = list(cookies) + + async def handler( + data: Response, + app: Litestar, + request: Request, + **kwargs: Any, # kwargs is for return dto + ) -> ASGIApp: + response = await after_request(data) if after_request else data # type:ignore[arg-type,misc] + return response.to_asgi_response( # type: ignore[no-any-return] + app=None, + background=background, + cookies=cookie_list, + headers=normalized_headers, + media_type=media_type, + request=request, + status_code=status_code, + type_encoders=type_encoders, + ) + + return handler + + +def normalize_http_method(http_methods: HttpMethod | Method | Sequence[HttpMethod | Method]) -> set[Method]: + """Normalize HTTP method(s) into a set of upper-case method names. + + Args: + http_methods: A value for http method. + + Returns: + A normalized set of http methods. + """ + output: set[str] = set() + + if isinstance(http_methods, str): + http_methods = [http_methods] # pyright: ignore + + for method in http_methods: + method_name = method.value.upper() if isinstance(method, HttpMethod) else method.upper() + if method_name not in HTTP_METHOD_NAMES: + raise ValidationException(f"Invalid HTTP method: {method_name}") + output.add(method_name) + + return cast("set[Method]", output) + + +def get_default_status_code(http_methods: set[Method]) -> int: + """Return the default status code for a given set of HTTP methods. + + Args: + http_methods: A set of method strings + + Returns: + A status code + """ + if HttpMethod.POST in http_methods: + return HTTP_201_CREATED + if HttpMethod.DELETE in http_methods: + return HTTP_204_NO_CONTENT + return HTTP_200_OK + + +def is_empty_response_annotation(return_annotation: FieldDefinition) -> bool: + """Return whether the return annotation is an empty response. + + Args: + return_annotation: A return annotation. + + Returns: + Whether the return annotation is an empty response. + """ + return ( + return_annotation.is_subclass_of(NoneType) + or return_annotation.is_subclass_of(Response) + and return_annotation.has_inner_subclass_of(NoneType) + ) + + +HTTP_METHOD_NAMES = {m.value for m in HttpMethod} diff --git a/venv/lib/python3.11/site-packages/litestar/handlers/http_handlers/base.py b/venv/lib/python3.11/site-packages/litestar/handlers/http_handlers/base.py new file mode 100644 index 0000000..757253e --- /dev/null +++ b/venv/lib/python3.11/site-packages/litestar/handlers/http_handlers/base.py @@ -0,0 +1,591 @@ +from __future__ import annotations + +from enum import Enum +from typing import TYPE_CHECKING, AnyStr, Mapping, Sequence, TypedDict, cast + +from litestar._layers.utils import narrow_response_cookies, narrow_response_headers +from litestar.connection import Request +from litestar.datastructures.cookie import Cookie +from litestar.datastructures.response_header import ResponseHeader +from litestar.enums import HttpMethod, MediaType +from litestar.exceptions import ( + HTTPException, + ImproperlyConfiguredException, +) +from litestar.handlers.base import BaseRouteHandler +from litestar.handlers.http_handlers._utils import ( + create_data_handler, + create_generic_asgi_response_handler, + create_response_handler, + get_default_status_code, + is_empty_response_annotation, + normalize_http_method, +) +from litestar.openapi.spec import Operation +from litestar.response import Response +from litestar.status_codes import HTTP_204_NO_CONTENT, HTTP_304_NOT_MODIFIED +from litestar.types import ( + AfterRequestHookHandler, + AfterResponseHookHandler, + AnyCallable, + ASGIApp, + BeforeRequestHookHandler, + CacheKeyBuilder, + Dependencies, + Empty, + EmptyType, + ExceptionHandlersMap, + Guard, + Method, + Middleware, + ResponseCookies, + ResponseHeaders, + TypeEncodersMap, +) +from litestar.utils import ensure_async_callable +from litestar.utils.predicates import is_async_callable +from litestar.utils.warnings import warn_implicit_sync_to_thread, warn_sync_to_thread_with_async_callable + +if TYPE_CHECKING: + from typing import Any, Awaitable, Callable + + from litestar.app import Litestar + from litestar.background_tasks import BackgroundTask, BackgroundTasks + from litestar.config.response_cache import CACHE_FOREVER + from litestar.datastructures import CacheControlHeader, ETag + from litestar.dto import AbstractDTO + from litestar.openapi.datastructures import ResponseSpec + from litestar.openapi.spec import SecurityRequirement + from litestar.types.callable_types import AsyncAnyCallable, OperationIDCreator + from litestar.types.composite_types import TypeDecodersSequence + +__all__ = ("HTTPRouteHandler", "route") + + +class ResponseHandlerMap(TypedDict): + default_handler: Callable[[Any], Awaitable[ASGIApp]] | EmptyType + response_type_handler: Callable[[Any], Awaitable[ASGIApp]] | EmptyType + + +class HTTPRouteHandler(BaseRouteHandler): + """HTTP Route Decorator. + + Use this decorator to decorate an HTTP handler with multiple methods. + """ + + __slots__ = ( + "_resolved_after_response", + "_resolved_before_request", + "_response_handler_mapping", + "_resolved_include_in_schema", + "_resolved_tags", + "_resolved_security", + "after_request", + "after_response", + "background", + "before_request", + "cache", + "cache_control", + "cache_key_builder", + "content_encoding", + "content_media_type", + "deprecated", + "description", + "etag", + "has_sync_callable", + "http_methods", + "include_in_schema", + "media_type", + "operation_class", + "operation_id", + "raises", + "request_class", + "response_class", + "response_cookies", + "response_description", + "response_headers", + "responses", + "security", + "status_code", + "summary", + "sync_to_thread", + "tags", + "template_name", + ) + + has_sync_callable: bool + + def __init__( + self, + path: str | Sequence[str] | None = None, + *, + after_request: AfterRequestHookHandler | None = None, + after_response: AfterResponseHookHandler | None = None, + background: BackgroundTask | BackgroundTasks | None = None, + before_request: BeforeRequestHookHandler | None = None, + cache: bool | int | type[CACHE_FOREVER] = False, + cache_control: CacheControlHeader | None = None, + cache_key_builder: CacheKeyBuilder | None = None, + dependencies: Dependencies | None = None, + dto: type[AbstractDTO] | None | EmptyType = Empty, + etag: ETag | None = None, + exception_handlers: ExceptionHandlersMap | None = None, + guards: Sequence[Guard] | None = None, + http_method: HttpMethod | Method | Sequence[HttpMethod | Method], + media_type: MediaType | str | None = None, + middleware: Sequence[Middleware] | None = None, + name: str | None = None, + opt: Mapping[str, Any] | None = None, + request_class: type[Request] | None = None, + response_class: type[Response] | None = None, + response_cookies: ResponseCookies | None = None, + response_headers: ResponseHeaders | None = None, + return_dto: type[AbstractDTO] | None | EmptyType = Empty, + status_code: int | None = None, + sync_to_thread: bool | None = None, + # OpenAPI related attributes + content_encoding: str | None = None, + content_media_type: str | None = None, + deprecated: bool = False, + description: str | None = None, + include_in_schema: bool | EmptyType = Empty, + operation_class: type[Operation] = Operation, + operation_id: str | OperationIDCreator | None = None, + raises: Sequence[type[HTTPException]] | None = None, + response_description: str | None = None, + responses: Mapping[int, ResponseSpec] | None = None, + signature_namespace: Mapping[str, Any] | None = None, + security: Sequence[SecurityRequirement] | None = None, + summary: str | None = None, + tags: Sequence[str] | None = None, + type_decoders: TypeDecodersSequence | None = None, + type_encoders: TypeEncodersMap | None = None, + **kwargs: Any, + ) -> None: + """Initialize ``HTTPRouteHandler``. + + Args: + path: A path fragment for the route handler function or a sequence of path fragments. + If not given defaults to ``/`` + after_request: A sync or async function executed before a :class:`Request <.connection.Request>` is passed + to any route handler. If this function returns a value, the request will not reach the route handler, + and instead this value will be used. + after_response: A sync or async function called after the response has been awaited. It receives the + :class:`Request <.connection.Request>` object and should not return any values. + background: A :class:`BackgroundTask <.background_tasks.BackgroundTask>` instance or + :class:`BackgroundTasks <.background_tasks.BackgroundTasks>` to execute after the response is finished. + Defaults to ``None``. + before_request: A sync or async function called immediately before calling the route handler. Receives + the :class:`Request <.connection.Request>` instance and any non-``None`` return value is used for the + response, bypassing the route handler. + cache: Enables response caching if configured on the application level. Valid values are ``True`` or a + number of seconds (e.g. ``120``) to cache the response. + cache_control: A ``cache-control`` header of type + :class:`CacheControlHeader <.datastructures.CacheControlHeader>` that will be added to the response. + cache_key_builder: A :class:`cache-key builder function <.types.CacheKeyBuilder>`. Allows for customization + of the cache key if caching is configured on the application level. + dependencies: A string keyed mapping of dependency :class:`Provider <.di.Provide>` instances. + dto: :class:`AbstractDTO <.dto.base_dto.AbstractDTO>` to use for (de)serializing and + validation of request data. + etag: An ``etag`` header of type :class:`ETag <.datastructures.ETag>` that will be added to the response. + exception_handlers: A mapping of status codes and/or exception types to handler functions. + guards: A sequence of :class:`Guard <.types.Guard>` callables. + http_method: An :class:`http method string <.types.Method>`, a member of the enum + :class:`HttpMethod <.enums.HttpMethod>` or a list of these that correlates to the methods the route + handler function should handle. + media_type: A member of the :class:`MediaType <.enums.MediaType>` enum or a string with a valid IANA + Media-Type. + middleware: A sequence of :class:`Middleware <.types.Middleware>`. + name: A string identifying the route handler. + opt: A string keyed mapping of arbitrary values that can be accessed in :class:`Guards <.types.Guard>` or + wherever you have access to :class:`Request <.connection.Request>` or + :class:`ASGI Scope <.types.Scope>`. + request_class: A custom subclass of :class:`Request <.connection.Request>` to be used as route handler's + default request. + response_class: A custom subclass of :class:`Response <.response.Response>` to be used as route handler's + default response. + response_cookies: A sequence of :class:`Cookie <.datastructures.Cookie>` instances. + response_headers: A string keyed mapping of :class:`ResponseHeader <.datastructures.ResponseHeader>` + instances. + responses: A mapping of additional status codes and a description of their expected content. + This information will be included in the OpenAPI schema + return_dto: :class:`AbstractDTO <.dto.base_dto.AbstractDTO>` to use for serializing + outbound response data. + signature_namespace: A mapping of names to types for use in forward reference resolution during signature modelling. + status_code: An http status code for the response. Defaults to ``200`` for mixed method or ``GET``, ``PUT`` and + ``PATCH``, ``201`` for ``POST`` and ``204`` for ``DELETE``. + sync_to_thread: A boolean dictating whether the handler function will be executed in a worker thread or the + main event loop. This has an effect only for sync handler functions. See using sync handler functions. + content_encoding: A string describing the encoding of the content, e.g. ``"base64"``. + content_media_type: A string designating the media-type of the content, e.g. ``"image/png"``. + deprecated: A boolean dictating whether this route should be marked as deprecated in the OpenAPI schema. + description: Text used for the route's schema description section. + include_in_schema: A boolean flag dictating whether the route handler should be documented in the OpenAPI schema. + operation_class: :class:`Operation <.openapi.spec.operation.Operation>` to be used with the route's OpenAPI schema. + operation_id: Either a string or a callable returning a string. An identifier used for the route's schema operationId. + raises: A list of exception classes extending from litestar.HttpException that is used for the OpenAPI documentation. + This list should describe all exceptions raised within the route handler's function/method. The Litestar + ValidationException will be added automatically for the schema if any validation is involved. + response_description: Text used for the route's response schema description section. + security: A sequence of dictionaries that contain information about which security scheme can be used on the endpoint. + summary: Text used for the route's schema summary section. + tags: A sequence of string tags that will be appended to the OpenAPI schema. + type_decoders: A sequence of tuples, each composed of a predicate testing for type identity and a msgspec hook for deserialization. + type_encoders: A mapping of types to callables that transform them into types supported for serialization. + **kwargs: Any additional kwarg - will be set in the opt dictionary. + """ + if not http_method: + raise ImproperlyConfiguredException("An http_method kwarg is required") + + self.http_methods = normalize_http_method(http_methods=http_method) + self.status_code = status_code or get_default_status_code(http_methods=self.http_methods) + + super().__init__( + path=path, + dependencies=dependencies, + dto=dto, + exception_handlers=exception_handlers, + guards=guards, + middleware=middleware, + name=name, + opt=opt, + return_dto=return_dto, + signature_namespace=signature_namespace, + type_decoders=type_decoders, + type_encoders=type_encoders, + **kwargs, + ) + + self.after_request = ensure_async_callable(after_request) if after_request else None # pyright: ignore + self.after_response = ensure_async_callable(after_response) if after_response else None + self.background = background + self.before_request = ensure_async_callable(before_request) if before_request else None + self.cache = cache + self.cache_control = cache_control + self.cache_key_builder = cache_key_builder + self.etag = etag + self.media_type: MediaType | str = media_type or "" + self.request_class = request_class + self.response_class = response_class + self.response_cookies: Sequence[Cookie] | None = narrow_response_cookies(response_cookies) + self.response_headers: Sequence[ResponseHeader] | None = narrow_response_headers(response_headers) + + self.sync_to_thread = sync_to_thread + # OpenAPI related attributes + self.content_encoding = content_encoding + self.content_media_type = content_media_type + self.deprecated = deprecated + self.description = description + self.include_in_schema = include_in_schema + self.operation_class = operation_class + self.operation_id = operation_id + self.raises = raises + self.response_description = response_description + self.summary = summary + self.tags = tags + self.security = security + self.responses = responses + # memoized attributes, defaulted to Empty + self._resolved_after_response: AsyncAnyCallable | None | EmptyType = Empty + self._resolved_before_request: AsyncAnyCallable | None | EmptyType = Empty + self._response_handler_mapping: ResponseHandlerMap = {"default_handler": Empty, "response_type_handler": Empty} + self._resolved_include_in_schema: bool | EmptyType = Empty + self._resolved_security: list[SecurityRequirement] | EmptyType = Empty + self._resolved_tags: list[str] | EmptyType = Empty + + def __call__(self, fn: AnyCallable) -> HTTPRouteHandler: + """Replace a function with itself.""" + if not is_async_callable(fn): + if self.sync_to_thread is None: + warn_implicit_sync_to_thread(fn, stacklevel=3) + elif self.sync_to_thread is not None: + warn_sync_to_thread_with_async_callable(fn, stacklevel=3) + + super().__call__(fn) + return self + + def resolve_request_class(self) -> type[Request]: + """Return the closest custom Request class in the owner graph or the default Request class. + + This method is memoized so the computation occurs only once. + + Returns: + The default :class:`Request <.connection.Request>` class for the route handler. + """ + return next( + (layer.request_class for layer in reversed(self.ownership_layers) if layer.request_class is not None), + Request, + ) + + def resolve_response_class(self) -> type[Response]: + """Return the closest custom Response class in the owner graph or the default Response class. + + This method is memoized so the computation occurs only once. + + Returns: + The default :class:`Response <.response.Response>` class for the route handler. + """ + return next( + (layer.response_class for layer in reversed(self.ownership_layers) if layer.response_class is not None), + Response, + ) + + def resolve_response_headers(self) -> frozenset[ResponseHeader]: + """Return all header parameters in the scope of the handler function. + + Returns: + A dictionary mapping keys to :class:`ResponseHeader <.datastructures.ResponseHeader>` instances. + """ + resolved_response_headers: dict[str, ResponseHeader] = {} + + for layer in self.ownership_layers: + if layer_response_headers := layer.response_headers: + if isinstance(layer_response_headers, Mapping): + # this can't happen unless you manually set response_headers on an instance, which would result in a + # type-checking error on everything but the controller. We cover this case nevertheless + resolved_response_headers.update( + {name: ResponseHeader(name=name, value=value) for name, value in layer_response_headers.items()} + ) + else: + resolved_response_headers.update({h.name: h for h in layer_response_headers}) + for extra_header in ("cache_control", "etag"): + if header_model := getattr(layer, extra_header, None): + resolved_response_headers[header_model.HEADER_NAME] = ResponseHeader( + name=header_model.HEADER_NAME, + value=header_model.to_header(), + documentation_only=header_model.documentation_only, + ) + + return frozenset(resolved_response_headers.values()) + + def resolve_response_cookies(self) -> frozenset[Cookie]: + """Return a list of Cookie instances. Filters the list to ensure each cookie key is unique. + + Returns: + A list of :class:`Cookie <.datastructures.Cookie>` instances. + """ + response_cookies: set[Cookie] = set() + for layer in reversed(self.ownership_layers): + if layer_response_cookies := layer.response_cookies: + if isinstance(layer_response_cookies, Mapping): + # this can't happen unless you manually set response_cookies on an instance, which would result in a + # type-checking error on everything but the controller. We cover this case nevertheless + response_cookies.update( + {Cookie(key=key, value=value) for key, value in layer_response_cookies.items()} + ) + else: + response_cookies.update(cast("set[Cookie]", layer_response_cookies)) + return frozenset(response_cookies) + + def resolve_before_request(self) -> AsyncAnyCallable | None: + """Resolve the before_handler handler by starting from the route handler and moving up. + + If a handler is found it is returned, otherwise None is set. + This method is memoized so the computation occurs only once. + + Returns: + An optional :class:`before request lifecycle hook handler <.types.BeforeRequestHookHandler>` + """ + if self._resolved_before_request is Empty: + before_request_handlers = [layer.before_request for layer in self.ownership_layers if layer.before_request] + self._resolved_before_request = before_request_handlers[-1] if before_request_handlers else None + return cast("AsyncAnyCallable | None", self._resolved_before_request) + + def resolve_after_response(self) -> AsyncAnyCallable | None: + """Resolve the after_response handler by starting from the route handler and moving up. + + If a handler is found it is returned, otherwise None is set. + This method is memoized so the computation occurs only once. + + Returns: + An optional :class:`after response lifecycle hook handler <.types.AfterResponseHookHandler>` + """ + if self._resolved_after_response is Empty: + after_response_handlers: list[AsyncAnyCallable] = [ + layer.after_response # type: ignore[misc] + for layer in self.ownership_layers + if layer.after_response + ] + self._resolved_after_response = after_response_handlers[-1] if after_response_handlers else None + + return cast("AsyncAnyCallable | None", self._resolved_after_response) + + def resolve_include_in_schema(self) -> bool: + """Resolve the 'include_in_schema' property by starting from the route handler and moving up. + + If 'include_in_schema' is found in any of the ownership layers, the last value found is returned. + If not found in any layer, the default value ``True`` is returned. + + Returns: + bool: The resolved 'include_in_schema' property. + """ + if self._resolved_include_in_schema is Empty: + include_in_schemas = [ + i.include_in_schema for i in self.ownership_layers if isinstance(i.include_in_schema, bool) + ] + self._resolved_include_in_schema = include_in_schemas[-1] if include_in_schemas else True + + return self._resolved_include_in_schema + + def resolve_security(self) -> list[SecurityRequirement]: + """Resolve the security property by starting from the route handler and moving up. + + Security requirements are additive, so the security requirements of the route handler are the sum of all + security requirements of the ownership layers. + + Returns: + list[SecurityRequirement]: The resolved security property. + """ + if self._resolved_security is Empty: + self._resolved_security = [] + for layer in self.ownership_layers: + if isinstance(layer.security, Sequence): + self._resolved_security.extend(layer.security) + + return self._resolved_security + + def resolve_tags(self) -> list[str]: + """Resolve the tags property by starting from the route handler and moving up. + + Tags are additive, so the tags of the route handler are the sum of all tags of the ownership layers. + + Returns: + list[str]: A sorted list of unique tags. + """ + if self._resolved_tags is Empty: + tag_set = set() + for layer in self.ownership_layers: + for tag in layer.tags or []: + tag_set.add(tag) + self._resolved_tags = sorted(tag_set) + + return self._resolved_tags + + def get_response_handler(self, is_response_type_data: bool = False) -> Callable[[Any], Awaitable[ASGIApp]]: + """Resolve the response_handler function for the route handler. + + This method is memoized so the computation occurs only once. + + Args: + is_response_type_data: Whether to return a handler for 'Response' instances. + + Returns: + Async Callable to handle an HTTP Request + """ + if self._response_handler_mapping["default_handler"] is Empty: + after_request_handlers: list[AsyncAnyCallable] = [ + layer.after_request # type: ignore[misc] + for layer in self.ownership_layers + if layer.after_request + ] + after_request = cast( + "AfterRequestHookHandler | None", + after_request_handlers[-1] if after_request_handlers else None, + ) + + media_type = self.media_type.value if isinstance(self.media_type, Enum) else self.media_type + response_class = self.resolve_response_class() + headers = self.resolve_response_headers() + cookies = self.resolve_response_cookies() + type_encoders = self.resolve_type_encoders() + + return_type = self.parsed_fn_signature.return_type + return_annotation = return_type.annotation + + self._response_handler_mapping["response_type_handler"] = response_type_handler = create_response_handler( + after_request=after_request, + background=self.background, + cookies=cookies, + headers=headers, + media_type=media_type, + status_code=self.status_code, + type_encoders=type_encoders, + ) + + if return_type.is_subclass_of(Response): + self._response_handler_mapping["default_handler"] = response_type_handler + elif is_async_callable(return_annotation) or return_annotation is ASGIApp: + self._response_handler_mapping["default_handler"] = create_generic_asgi_response_handler( + after_request=after_request + ) + else: + self._response_handler_mapping["default_handler"] = create_data_handler( + after_request=after_request, + background=self.background, + cookies=cookies, + headers=headers, + media_type=media_type, + response_class=response_class, + status_code=self.status_code, + type_encoders=type_encoders, + ) + + return cast( + "Callable[[Any], Awaitable[ASGIApp]]", + self._response_handler_mapping["response_type_handler"] + if is_response_type_data + else self._response_handler_mapping["default_handler"], + ) + + async def to_response(self, app: Litestar, data: Any, request: Request) -> ASGIApp: + """Return a :class:`Response <.response.Response>` from the handler by resolving and calling it. + + Args: + app: The :class:`Litestar ` app instance + data: Either an instance of a :class:`Response <.response.Response>`, + a Response instance or an arbitrary value. + request: A :class:`Request <.connection.Request>` instance + + Returns: + A Response instance + """ + if return_dto_type := self.resolve_return_dto(): + data = return_dto_type(request).data_to_encodable_type(data) + + response_handler = self.get_response_handler(is_response_type_data=isinstance(data, Response)) + return await response_handler(app=app, data=data, request=request) # type: ignore[call-arg] + + def on_registration(self, app: Litestar) -> None: + super().on_registration(app) + self.resolve_after_response() + self.resolve_include_in_schema() + self.has_sync_callable = not is_async_callable(self.fn) + + if self.has_sync_callable and self.sync_to_thread: + self._fn = ensure_async_callable(self.fn) + self.has_sync_callable = False + + def _validate_handler_function(self) -> None: + """Validate the route handler function once it is set by inspecting its return annotations.""" + super()._validate_handler_function() + + return_type = self.parsed_fn_signature.return_type + + if return_type.annotation is Empty: + raise ImproperlyConfiguredException( + "A return value of a route handler function should be type annotated. " + "If your function doesn't return a value, annotate it as returning 'None'." + ) + + if ( + self.status_code < 200 or self.status_code in {HTTP_204_NO_CONTENT, HTTP_304_NOT_MODIFIED} + ) and not is_empty_response_annotation(return_type): + raise ImproperlyConfiguredException( + "A status code 204, 304 or in the range below 200 does not support a response body. " + "If the function should return a value, change the route handler status code to an appropriate value.", + ) + + if not self.media_type: + if return_type.is_subclass_of((str, bytes)) or return_type.annotation is AnyStr: + self.media_type = MediaType.TEXT + elif not return_type.is_subclass_of(Response): + self.media_type = MediaType.JSON + + if "socket" in self.parsed_fn_signature.parameters: + raise ImproperlyConfiguredException("The 'socket' kwarg is not supported with http handlers") + + if "data" in self.parsed_fn_signature.parameters and "GET" in self.http_methods: + raise ImproperlyConfiguredException("'data' kwarg is unsupported for 'GET' request handlers") + + +route = HTTPRouteHandler diff --git a/venv/lib/python3.11/site-packages/litestar/handlers/http_handlers/decorators.py b/venv/lib/python3.11/site-packages/litestar/handlers/http_handlers/decorators.py new file mode 100644 index 0000000..1ae72e5 --- /dev/null +++ b/venv/lib/python3.11/site-packages/litestar/handlers/http_handlers/decorators.py @@ -0,0 +1,1096 @@ +from __future__ import annotations + +from typing import TYPE_CHECKING + +from litestar.enums import HttpMethod, MediaType +from litestar.exceptions import HTTPException, ImproperlyConfiguredException +from litestar.openapi.spec import Operation +from litestar.response.file import ASGIFileResponse, File +from litestar.types import Empty, TypeDecodersSequence +from litestar.types.builtin_types import NoneType +from litestar.utils import is_class_and_subclass + +from .base import HTTPRouteHandler + +if TYPE_CHECKING: + from typing import Any, Mapping, Sequence + + from litestar.background_tasks import BackgroundTask, BackgroundTasks + from litestar.config.response_cache import CACHE_FOREVER + from litestar.connection import Request + from litestar.datastructures import CacheControlHeader, ETag + from litestar.dto import AbstractDTO + from litestar.openapi.datastructures import ResponseSpec + from litestar.openapi.spec import SecurityRequirement + from litestar.response import Response + from litestar.types import ( + AfterRequestHookHandler, + AfterResponseHookHandler, + BeforeRequestHookHandler, + CacheKeyBuilder, + Dependencies, + EmptyType, + ExceptionHandlersMap, + Guard, + Middleware, + ResponseCookies, + ResponseHeaders, + TypeEncodersMap, + ) + from litestar.types.callable_types import OperationIDCreator + + +__all__ = ("get", "head", "post", "put", "patch", "delete") + +MSG_SEMANTIC_ROUTE_HANDLER_WITH_HTTP = "semantic route handlers cannot define http_method" + + +class delete(HTTPRouteHandler): + """DELETE Route Decorator. + + Use this decorator to decorate an HTTP handler for DELETE requests. + """ + + def __init__( + self, + path: str | None | Sequence[str] = None, + *, + after_request: AfterRequestHookHandler | None = None, + after_response: AfterResponseHookHandler | None = None, + background: BackgroundTask | BackgroundTasks | None = None, + before_request: BeforeRequestHookHandler | None = None, + cache: bool | int | type[CACHE_FOREVER] = False, + cache_control: CacheControlHeader | None = None, + cache_key_builder: CacheKeyBuilder | None = None, + dependencies: Dependencies | None = None, + dto: type[AbstractDTO] | None | EmptyType = Empty, + etag: ETag | None = None, + exception_handlers: ExceptionHandlersMap | None = None, + guards: Sequence[Guard] | None = None, + media_type: MediaType | str | None = None, + middleware: Sequence[Middleware] | None = None, + name: str | None = None, + opt: Mapping[str, Any] | None = None, + request_class: type[Request] | None = None, + response_class: type[Response] | None = None, + response_cookies: ResponseCookies | None = None, + response_headers: ResponseHeaders | None = None, + return_dto: type[AbstractDTO] | None | EmptyType = Empty, + signature_namespace: Mapping[str, Any] | None = None, + status_code: int | None = None, + sync_to_thread: bool | None = None, + # OpenAPI related attributes + content_encoding: str | None = None, + content_media_type: str | None = None, + deprecated: bool = False, + description: str | None = None, + include_in_schema: bool | EmptyType = Empty, + operation_class: type[Operation] = Operation, + operation_id: str | OperationIDCreator | None = None, + raises: Sequence[type[HTTPException]] | None = None, + response_description: str | None = None, + responses: Mapping[int, ResponseSpec] | None = None, + security: Sequence[SecurityRequirement] | None = None, + summary: str | None = None, + tags: Sequence[str] | None = None, + type_decoders: TypeDecodersSequence | None = None, + type_encoders: TypeEncodersMap | None = None, + **kwargs: Any, + ) -> None: + """Initialize ``delete`` + + Args: + path: A path fragment for the route handler function or a sequence of path fragments. + If not given defaults to ``/`` + after_request: A sync or async function executed before a :class:`Request <.connection.Request>` is passed + to any route handler. If this function returns a value, the request will not reach the route handler, + and instead this value will be used. + after_response: A sync or async function called after the response has been awaited. It receives the + :class:`Request <.connection.Request>` object and should not return any values. + background: A :class:`BackgroundTask <.background_tasks.BackgroundTask>` instance or + :class:`BackgroundTasks <.background_tasks.BackgroundTasks>` to execute after the response is finished. + Defaults to ``None``. + before_request: A sync or async function called immediately before calling the route handler. Receives + the :class:`.connection.Request` instance and any non-``None`` return value is used for the response, + bypassing the route handler. + cache: Enables response caching if configured on the application level. Valid values are ``True`` or a number + of seconds (e.g. ``120``) to cache the response. + cache_control: A ``cache-control`` header of type + :class:`CacheControlHeader <.datastructures.CacheControlHeader>` that will be added to the response. + cache_key_builder: A :class:`cache-key builder function <.types.CacheKeyBuilder>`. Allows for customization + of the cache key if caching is configured on the application level. + dto: :class:`AbstractDTO <.dto.base_dto.AbstractDTO>` to use for (de)serializing and + validation of request data. + dependencies: A string keyed mapping of dependency :class:`Provider <.di.Provide>` instances. + etag: An ``etag`` header of type :class:`ETag <.datastructures.ETag>` that will be added to the response. + exception_handlers: A mapping of status codes and/or exception types to handler functions. + guards: A sequence of :class:`Guard <.types.Guard>` callables. + http_method: An :class:`http method string <.types.Method>`, a member of the enum + :class:`HttpMethod ` or a list of these that correlates to the methods the + route handler function should handle. + media_type: A member of the :class:`MediaType <.enums.MediaType>` enum or a string with a + valid IANA Media-Type. + middleware: A sequence of :class:`Middleware <.types.Middleware>`. + name: A string identifying the route handler. + opt: A string keyed mapping of arbitrary values that can be accessed in :class:`Guards <.types.Guard>` or + wherever you have access to :class:`Request <.connection.Request>` or :class:`ASGI Scope <.types.Scope>`. + request_class: A custom subclass of :class:`Request <.connection.Request>` to be used as route handler's + default request. + response_class: A custom subclass of :class:`Response <.response.Response>` to be used as route handler's + default response. + response_cookies: A sequence of :class:`Cookie <.datastructures.Cookie>` instances. + response_headers: A string keyed mapping of :class:`ResponseHeader <.datastructures.ResponseHeader>` + instances. + responses: A mapping of additional status codes and a description of their expected content. + This information will be included in the OpenAPI schema + return_dto: :class:`AbstractDTO <.dto.base_dto.AbstractDTO>` to use for serializing + outbound response data. + signature_namespace: A mapping of names to types for use in forward reference resolution during signature modelling. + status_code: An http status code for the response. Defaults to ``200`` for mixed method or ``GET``, ``PUT`` + and ``PATCH``, ``201`` for ``POST`` and ``204`` for ``DELETE``. + sync_to_thread: A boolean dictating whether the handler function will be executed in a worker thread or the + main event loop. This has an effect only for sync handler functions. See using sync handler functions. + content_encoding: A string describing the encoding of the content, e.g. ``base64``. + content_media_type: A string designating the media-type of the content, e.g. ``image/png``. + deprecated: A boolean dictating whether this route should be marked as deprecated in the OpenAPI schema. + description: Text used for the route's schema description section. + include_in_schema: A boolean flag dictating whether the route handler should be documented in the OpenAPI schema. + operation_class: :class:`Operation <.openapi.spec.operation.Operation>` to be used with the route's OpenAPI schema. + operation_id: Either a string or a callable returning a string. An identifier used for the route's schema operationId. + raises: A list of exception classes extending from litestar.HttpException that is used for the OpenAPI documentation. + This list should describe all exceptions raised within the route handler's function/method. The Litestar + ValidationException will be added automatically for the schema if any validation is involved. + response_description: Text used for the route's response schema description section. + security: A sequence of dictionaries that contain information about which security scheme can be used on the endpoint. + summary: Text used for the route's schema summary section. + tags: A sequence of string tags that will be appended to the OpenAPI schema. + type_decoders: A sequence of tuples, each composed of a predicate testing for type identity and a msgspec + hook for deserialization. + type_encoders: A mapping of types to callables that transform them into types supported for serialization. + **kwargs: Any additional kwarg - will be set in the opt dictionary. + """ + if "http_method" in kwargs: + raise ImproperlyConfiguredException(MSG_SEMANTIC_ROUTE_HANDLER_WITH_HTTP) + super().__init__( + after_request=after_request, + after_response=after_response, + background=background, + before_request=before_request, + cache=cache, + cache_control=cache_control, + cache_key_builder=cache_key_builder, + content_encoding=content_encoding, + content_media_type=content_media_type, + dependencies=dependencies, + deprecated=deprecated, + description=description, + dto=dto, + etag=etag, + exception_handlers=exception_handlers, + guards=guards, + http_method=HttpMethod.DELETE, + include_in_schema=include_in_schema, + media_type=media_type, + middleware=middleware, + name=name, + operation_class=operation_class, + operation_id=operation_id, + opt=opt, + path=path, + raises=raises, + request_class=request_class, + response_class=response_class, + response_cookies=response_cookies, + response_description=response_description, + response_headers=response_headers, + responses=responses, + return_dto=return_dto, + security=security, + signature_namespace=signature_namespace, + status_code=status_code, + summary=summary, + sync_to_thread=sync_to_thread, + tags=tags, + type_decoders=type_decoders, + type_encoders=type_encoders, + **kwargs, + ) + + +class get(HTTPRouteHandler): + """GET Route Decorator. + + Use this decorator to decorate an HTTP handler for GET requests. + """ + + def __init__( + self, + path: str | None | Sequence[str] = None, + *, + after_request: AfterRequestHookHandler | None = None, + after_response: AfterResponseHookHandler | None = None, + background: BackgroundTask | BackgroundTasks | None = None, + before_request: BeforeRequestHookHandler | None = None, + cache: bool | int | type[CACHE_FOREVER] = False, + cache_control: CacheControlHeader | None = None, + cache_key_builder: CacheKeyBuilder | None = None, + dependencies: Dependencies | None = None, + dto: type[AbstractDTO] | None | EmptyType = Empty, + etag: ETag | None = None, + exception_handlers: ExceptionHandlersMap | None = None, + guards: Sequence[Guard] | None = None, + media_type: MediaType | str | None = None, + middleware: Sequence[Middleware] | None = None, + name: str | None = None, + opt: Mapping[str, Any] | None = None, + request_class: type[Request] | None = None, + response_class: type[Response] | None = None, + response_cookies: ResponseCookies | None = None, + response_headers: ResponseHeaders | None = None, + return_dto: type[AbstractDTO] | None | EmptyType = Empty, + signature_namespace: Mapping[str, Any] | None = None, + status_code: int | None = None, + sync_to_thread: bool | None = None, + # OpenAPI related attributes + content_encoding: str | None = None, + content_media_type: str | None = None, + deprecated: bool = False, + description: str | None = None, + include_in_schema: bool | EmptyType = Empty, + operation_class: type[Operation] = Operation, + operation_id: str | OperationIDCreator | None = None, + raises: Sequence[type[HTTPException]] | None = None, + response_description: str | None = None, + responses: Mapping[int, ResponseSpec] | None = None, + security: Sequence[SecurityRequirement] | None = None, + summary: str | None = None, + tags: Sequence[str] | None = None, + type_decoders: TypeDecodersSequence | None = None, + type_encoders: TypeEncodersMap | None = None, + **kwargs: Any, + ) -> None: + """Initialize ``get``. + + Args: + path: A path fragment for the route handler function or a sequence of path fragments. + If not given defaults to ``/`` + after_request: A sync or async function executed before a :class:`Request <.connection.Request>` is passed + to any route handler. If this function returns a value, the request will not reach the route handler, + and instead this value will be used. + after_response: A sync or async function called after the response has been awaited. It receives the + :class:`Request <.connection.Request>` object and should not return any values. + background: A :class:`BackgroundTask <.background_tasks.BackgroundTask>` instance or + :class:`BackgroundTasks <.background_tasks.BackgroundTasks>` to execute after the response is finished. + Defaults to ``None``. + before_request: A sync or async function called immediately before calling the route handler. Receives + the :class:`.connection.Request` instance and any non-``None`` return value is used for the response, + bypassing the route handler. + cache: Enables response caching if configured on the application level. Valid values are ``True`` or a number + of seconds (e.g. ``120``) to cache the response. + cache_control: A ``cache-control`` header of type + :class:`CacheControlHeader <.datastructures.CacheControlHeader>` that will be added to the response. + cache_key_builder: A :class:`cache-key builder function <.types.CacheKeyBuilder>`. Allows for customization + of the cache key if caching is configured on the application level. + dependencies: A string keyed mapping of dependency :class:`Provider <.di.Provide>` instances. + dto: :class:`AbstractDTO <.dto.base_dto.AbstractDTO>` to use for (de)serializing and + validation of request data. + etag: An ``etag`` header of type :class:`ETag <.datastructures.ETag>` that will be added to the response. + exception_handlers: A mapping of status codes and/or exception types to handler functions. + guards: A sequence of :class:`Guard <.types.Guard>` callables. + http_method: An :class:`http method string <.types.Method>`, a member of the enum + :class:`HttpMethod ` or a list of these that correlates to the methods the + route handler function should handle. + media_type: A member of the :class:`MediaType <.enums.MediaType>` enum or a string with a + valid IANA Media-Type. + middleware: A sequence of :class:`Middleware <.types.Middleware>`. + name: A string identifying the route handler. + opt: A string keyed mapping of arbitrary values that can be accessed in :class:`Guards <.types.Guard>` or + wherever you have access to :class:`Request <.connection.Request>` or :class:`ASGI Scope <.types.Scope>`. + request_class: A custom subclass of :class:`Request <.connection.Request>` to be used as route handler's + default request. + response_class: A custom subclass of :class:`Response <.response.Response>` to be used as route handler's + default response. + response_cookies: A sequence of :class:`Cookie <.datastructures.Cookie>` instances. + response_headers: A string keyed mapping of :class:`ResponseHeader <.datastructures.ResponseHeader>` + instances. + responses: A mapping of additional status codes and a description of their expected content. + This information will be included in the OpenAPI schema + return_dto: :class:`AbstractDTO <.dto.base_dto.AbstractDTO>` to use for serializing + outbound response data. + signature_namespace: A mapping of names to types for use in forward reference resolution during signature modelling. + status_code: An http status code for the response. Defaults to ``200`` for mixed method or ``GET``, ``PUT`` and + ``PATCH``, ``201`` for ``POST`` and ``204`` for ``DELETE``. + sync_to_thread: A boolean dictating whether the handler function will be executed in a worker thread or the + main event loop. This has an effect only for sync handler functions. See using sync handler functions. + content_encoding: A string describing the encoding of the content, e.g. ``base64``. + content_media_type: A string designating the media-type of the content, e.g. ``image/png``. + deprecated: A boolean dictating whether this route should be marked as deprecated in the OpenAPI schema. + description: Text used for the route's schema description section. + include_in_schema: A boolean flag dictating whether the route handler should be documented in the OpenAPI schema. + operation_class: :class:`Operation <.openapi.spec.operation.Operation>` to be used with the route's OpenAPI schema. + operation_id: Either a string or a callable returning a string. An identifier used for the route's schema operationId. + raises: A list of exception classes extending from litestar.HttpException that is used for the OpenAPI documentation. + This list should describe all exceptions raised within the route handler's function/method. The Litestar + ValidationException will be added automatically for the schema if any validation is involved. + response_description: Text used for the route's response schema description section. + security: A sequence of dictionaries that contain information about which security scheme can be used on the endpoint. + summary: Text used for the route's schema summary section. + tags: A sequence of string tags that will be appended to the OpenAPI schema. + type_decoders: A sequence of tuples, each composed of a predicate testing for type identity and a msgspec + hook for deserialization. + type_encoders: A mapping of types to callables that transform them into types supported for serialization. + **kwargs: Any additional kwarg - will be set in the opt dictionary. + """ + if "http_method" in kwargs: + raise ImproperlyConfiguredException(MSG_SEMANTIC_ROUTE_HANDLER_WITH_HTTP) + + super().__init__( + after_request=after_request, + after_response=after_response, + background=background, + before_request=before_request, + cache=cache, + cache_control=cache_control, + cache_key_builder=cache_key_builder, + content_encoding=content_encoding, + content_media_type=content_media_type, + dependencies=dependencies, + deprecated=deprecated, + description=description, + dto=dto, + etag=etag, + exception_handlers=exception_handlers, + guards=guards, + http_method=HttpMethod.GET, + include_in_schema=include_in_schema, + media_type=media_type, + middleware=middleware, + name=name, + operation_class=operation_class, + operation_id=operation_id, + opt=opt, + path=path, + raises=raises, + request_class=request_class, + response_class=response_class, + response_cookies=response_cookies, + response_description=response_description, + response_headers=response_headers, + responses=responses, + return_dto=return_dto, + security=security, + signature_namespace=signature_namespace, + status_code=status_code, + summary=summary, + sync_to_thread=sync_to_thread, + tags=tags, + type_decoders=type_decoders, + type_encoders=type_encoders, + **kwargs, + ) + + +class head(HTTPRouteHandler): + """HEAD Route Decorator. + + Use this decorator to decorate an HTTP handler for HEAD requests. + """ + + def __init__( + self, + path: str | None | Sequence[str] = None, + *, + after_request: AfterRequestHookHandler | None = None, + after_response: AfterResponseHookHandler | None = None, + background: BackgroundTask | BackgroundTasks | None = None, + before_request: BeforeRequestHookHandler | None = None, + cache: bool | int | type[CACHE_FOREVER] = False, + cache_control: CacheControlHeader | None = None, + cache_key_builder: CacheKeyBuilder | None = None, + dependencies: Dependencies | None = None, + dto: type[AbstractDTO] | None | EmptyType = Empty, + etag: ETag | None = None, + exception_handlers: ExceptionHandlersMap | None = None, + guards: Sequence[Guard] | None = None, + media_type: MediaType | str | None = None, + middleware: Sequence[Middleware] | None = None, + name: str | None = None, + opt: Mapping[str, Any] | None = None, + request_class: type[Request] | None = None, + response_class: type[Response] | None = None, + response_cookies: ResponseCookies | None = None, + response_headers: ResponseHeaders | None = None, + signature_namespace: Mapping[str, Any] | None = None, + status_code: int | None = None, + sync_to_thread: bool | None = None, + # OpenAPI related attributes + content_encoding: str | None = None, + content_media_type: str | None = None, + deprecated: bool = False, + description: str | None = None, + include_in_schema: bool | EmptyType = Empty, + operation_class: type[Operation] = Operation, + operation_id: str | OperationIDCreator | None = None, + raises: Sequence[type[HTTPException]] | None = None, + response_description: str | None = None, + responses: Mapping[int, ResponseSpec] | None = None, + return_dto: type[AbstractDTO] | None | EmptyType = Empty, + security: Sequence[SecurityRequirement] | None = None, + summary: str | None = None, + tags: Sequence[str] | None = None, + type_decoders: TypeDecodersSequence | None = None, + type_encoders: TypeEncodersMap | None = None, + **kwargs: Any, + ) -> None: + """Initialize ``head``. + + Notes: + - A response to a head request cannot include a body. + See: [MDN](https://developer.mozilla.org/en-US/docs/Web/HTTP/Methods/HEAD). + + Args: + path: A path fragment for the route handler function or a sequence of path fragments. + If not given defaults to ``/`` + after_request: A sync or async function executed before a :class:`Request <.connection.Request>` is passed + to any route handler. If this function returns a value, the request will not reach the route handler, + and instead this value will be used. + after_response: A sync or async function called after the response has been awaited. It receives the + :class:`Request <.connection.Request>` object and should not return any values. + background: A :class:`BackgroundTask <.background_tasks.BackgroundTask>` instance or + :class:`BackgroundTasks <.background_tasks.BackgroundTasks>` to execute after the response is finished. + Defaults to ``None``. + before_request: A sync or async function called immediately before calling the route handler. Receives + the :class:`.connection.Request` instance and any non-``None`` return value is used for the response, + bypassing the route handler. + cache: Enables response caching if configured on the application level. Valid values are ``True`` or a number + of seconds (e.g. ``120``) to cache the response. + cache_control: A ``cache-control`` header of type + :class:`CacheControlHeader <.datastructures.CacheControlHeader>` that will be added to the response. + cache_key_builder: A :class:`cache-key builder function <.types.CacheKeyBuilder>`. Allows for customization + of the cache key if caching is configured on the application level. + dependencies: A string keyed mapping of dependency :class:`Provider <.di.Provide>` instances. + dto: :class:`AbstractDTO <.dto.base_dto.AbstractDTO>` to use for (de)serializing and + validation of request data. + etag: An ``etag`` header of type :class:`ETag <.datastructures.ETag>` that will be added to the response. + exception_handlers: A mapping of status codes and/or exception types to handler functions. + guards: A sequence of :class:`Guard <.types.Guard>` callables. + http_method: An :class:`http method string <.types.Method>`, a member of the enum + :class:`HttpMethod ` or a list of these that correlates to the methods the + route handler function should handle. + media_type: A member of the :class:`MediaType <.enums.MediaType>` enum or a string with a + valid IANA Media-Type. + middleware: A sequence of :class:`Middleware <.types.Middleware>`. + name: A string identifying the route handler. + opt: A string keyed mapping of arbitrary values that can be accessed in :class:`Guards <.types.Guard>` or + wherever you have access to :class:`Request <.connection.Request>` or :class:`ASGI Scope <.types.Scope>`. + request_class: A custom subclass of :class:`Request <.connection.Request>` to be used as route handler's + default request. + response_class: A custom subclass of :class:`Response <.response.Response>` to be used as route handler's + default response. + response_cookies: A sequence of :class:`Cookie <.datastructures.Cookie>` instances. + response_headers: A string keyed mapping of :class:`ResponseHeader <.datastructures.ResponseHeader>` + instances. + responses: A mapping of additional status codes and a description of their expected content. + This information will be included in the OpenAPI schema + return_dto: :class:`AbstractDTO <.dto.base_dto.AbstractDTO>` to use for serializing + outbound response data. + signature_namespace: A mapping of names to types for use in forward reference resolution during signature modelling. + status_code: An http status code for the response. Defaults to ``200`` for mixed method or ``GET``, ``PUT`` and + ``PATCH``, ``201`` for ``POST`` and ``204`` for ``DELETE``. + sync_to_thread: A boolean dictating whether the handler function will be executed in a worker thread or the + main event loop. This has an effect only for sync handler functions. See using sync handler functions. + content_encoding: A string describing the encoding of the content, e.g. ``base64``. + content_media_type: A string designating the media-type of the content, e.g. ``image/png``. + deprecated: A boolean dictating whether this route should be marked as deprecated in the OpenAPI schema. + description: Text used for the route's schema description section. + include_in_schema: A boolean flag dictating whether the route handler should be documented in the OpenAPI schema. + operation_class: :class:`Operation <.openapi.spec.operation.Operation>` to be used with the route's OpenAPI schema. + operation_id: Either a string or a callable returning a string. An identifier used for the route's schema operationId. + raises: A list of exception classes extending from litestar.HttpException that is used for the OpenAPI documentation. + This list should describe all exceptions raised within the route handler's function/method. The Litestar + ValidationException will be added automatically for the schema if any validation is involved. + response_description: Text used for the route's response schema description section. + security: A sequence of dictionaries that contain information about which security scheme can be used on the endpoint. + summary: Text used for the route's schema summary section. + tags: A sequence of string tags that will be appended to the OpenAPI schema. + type_decoders: A sequence of tuples, each composed of a predicate testing for type identity and a msgspec + hook for deserialization. + type_encoders: A mapping of types to callables that transform them into types supported for serialization. + **kwargs: Any additional kwarg - will be set in the opt dictionary. + """ + if "http_method" in kwargs: + raise ImproperlyConfiguredException(MSG_SEMANTIC_ROUTE_HANDLER_WITH_HTTP) + + super().__init__( + after_request=after_request, + after_response=after_response, + background=background, + before_request=before_request, + cache=cache, + cache_control=cache_control, + cache_key_builder=cache_key_builder, + content_encoding=content_encoding, + content_media_type=content_media_type, + dependencies=dependencies, + deprecated=deprecated, + description=description, + dto=dto, + etag=etag, + exception_handlers=exception_handlers, + guards=guards, + http_method=HttpMethod.HEAD, + include_in_schema=include_in_schema, + media_type=media_type, + middleware=middleware, + name=name, + operation_class=operation_class, + operation_id=operation_id, + opt=opt, + path=path, + raises=raises, + request_class=request_class, + response_class=response_class, + response_cookies=response_cookies, + response_description=response_description, + response_headers=response_headers, + responses=responses, + return_dto=return_dto, + security=security, + signature_namespace=signature_namespace, + status_code=status_code, + summary=summary, + sync_to_thread=sync_to_thread, + tags=tags, + type_decoders=type_decoders, + type_encoders=type_encoders, + **kwargs, + ) + + def _validate_handler_function(self) -> None: + """Validate the route handler function once it is set by inspecting its return annotations.""" + super()._validate_handler_function() + + # we allow here File and File because these have special setting for head responses + return_annotation = self.parsed_fn_signature.return_type.annotation + if not ( + return_annotation in {NoneType, None} + or is_class_and_subclass(return_annotation, File) + or is_class_and_subclass(return_annotation, ASGIFileResponse) + ): + raise ImproperlyConfiguredException("A response to a head request should not have a body") + + +class patch(HTTPRouteHandler): + """PATCH Route Decorator. + + Use this decorator to decorate an HTTP handler for PATCH requests. + """ + + def __init__( + self, + path: str | None | Sequence[str] = None, + *, + after_request: AfterRequestHookHandler | None = None, + after_response: AfterResponseHookHandler | None = None, + background: BackgroundTask | BackgroundTasks | None = None, + before_request: BeforeRequestHookHandler | None = None, + cache: bool | int | type[CACHE_FOREVER] = False, + cache_control: CacheControlHeader | None = None, + cache_key_builder: CacheKeyBuilder | None = None, + dependencies: Dependencies | None = None, + dto: type[AbstractDTO] | None | EmptyType = Empty, + etag: ETag | None = None, + exception_handlers: ExceptionHandlersMap | None = None, + guards: Sequence[Guard] | None = None, + media_type: MediaType | str | None = None, + middleware: Sequence[Middleware] | None = None, + name: str | None = None, + opt: Mapping[str, Any] | None = None, + request_class: type[Request] | None = None, + response_class: type[Response] | None = None, + response_cookies: ResponseCookies | None = None, + response_headers: ResponseHeaders | None = None, + return_dto: type[AbstractDTO] | None | EmptyType = Empty, + signature_namespace: Mapping[str, Any] | None = None, + status_code: int | None = None, + sync_to_thread: bool | None = None, + # OpenAPI related attributes + content_encoding: str | None = None, + content_media_type: str | None = None, + deprecated: bool = False, + description: str | None = None, + include_in_schema: bool | EmptyType = Empty, + operation_class: type[Operation] = Operation, + operation_id: str | OperationIDCreator | None = None, + raises: Sequence[type[HTTPException]] | None = None, + response_description: str | None = None, + responses: Mapping[int, ResponseSpec] | None = None, + security: Sequence[SecurityRequirement] | None = None, + summary: str | None = None, + tags: Sequence[str] | None = None, + type_decoders: TypeDecodersSequence | None = None, + type_encoders: TypeEncodersMap | None = None, + **kwargs: Any, + ) -> None: + """Initialize ``patch``. + + Args: + path: A path fragment for the route handler function or a sequence of path fragments. + If not given defaults to ``/`` + after_request: A sync or async function executed before a :class:`Request <.connection.Request>` is passed + to any route handler. If this function returns a value, the request will not reach the route handler, + and instead this value will be used. + after_response: A sync or async function called after the response has been awaited. It receives the + :class:`Request <.connection.Request>` object and should not return any values. + background: A :class:`BackgroundTask <.background_tasks.BackgroundTask>` instance or + :class:`BackgroundTasks <.background_tasks.BackgroundTasks>` to execute after the response is finished. + Defaults to ``None``. + before_request: A sync or async function called immediately before calling the route handler. Receives + the :class:`.connection.Request` instance and any non-``None`` return value is used for the response, + bypassing the route handler. + cache: Enables response caching if configured on the application level. Valid values are ``True`` or a number + of seconds (e.g. ``120``) to cache the response. + cache_control: A ``cache-control`` header of type + :class:`CacheControlHeader <.datastructures.CacheControlHeader>` that will be added to the response. + cache_key_builder: A :class:`cache-key builder function <.types.CacheKeyBuilder>`. Allows for customization + of the cache key if caching is configured on the application level. + dependencies: A string keyed mapping of dependency :class:`Provider <.di.Provide>` instances. + dto: :class:`AbstractDTO <.dto.base_dto.AbstractDTO>` to use for (de)serializing and + validation of request data. + etag: An ``etag`` header of type :class:`ETag <.datastructures.ETag>` that will be added to the response. + exception_handlers: A mapping of status codes and/or exception types to handler functions. + guards: A sequence of :class:`Guard <.types.Guard>` callables. + http_method: An :class:`http method string <.types.Method>`, a member of the enum + :class:`HttpMethod ` or a list of these that correlates to the methods the + route handler function should handle. + media_type: A member of the :class:`MediaType <.enums.MediaType>` enum or a string with a + valid IANA Media-Type. + middleware: A sequence of :class:`Middleware <.types.Middleware>`. + name: A string identifying the route handler. + opt: A string keyed mapping of arbitrary values that can be accessed in :class:`Guards <.types.Guard>` or + wherever you have access to :class:`Request <.connection.Request>` or :class:`ASGI Scope <.types.Scope>`. + request_class: A custom subclass of :class:`Request <.connection.Request>` to be used as route handler's + default request. + response_class: A custom subclass of :class:`Response <.response.Response>` to be used as route handler's + default response. + response_cookies: A sequence of :class:`Cookie <.datastructures.Cookie>` instances. + response_headers: A string keyed mapping of :class:`ResponseHeader <.datastructures.ResponseHeader>` + instances. + responses: A mapping of additional status codes and a description of their expected content. + This information will be included in the OpenAPI schema + return_dto: :class:`AbstractDTO <.dto.base_dto.AbstractDTO>` to use for serializing + outbound response data. + signature_namespace: A mapping of names to types for use in forward reference resolution during signature modelling. + status_code: An http status code for the response. Defaults to ``200`` for mixed method or ``GET``, ``PUT`` and + ``PATCH``, ``201`` for ``POST`` and ``204`` for ``DELETE``. + sync_to_thread: A boolean dictating whether the handler function will be executed in a worker thread or the + main event loop. This has an effect only for sync handler functions. See using sync handler functions. + content_encoding: A string describing the encoding of the content, e.g. ``base64``. + content_media_type: A string designating the media-type of the content, e.g. ``image/png``. + deprecated: A boolean dictating whether this route should be marked as deprecated in the OpenAPI schema. + description: Text used for the route's schema description section. + include_in_schema: A boolean flag dictating whether the route handler should be documented in the OpenAPI schema. + operation_class: :class:`Operation <.openapi.spec.operation.Operation>` to be used with the route's OpenAPI schema. + operation_id: Either a string or a callable returning a string. An identifier used for the route's schema operationId. + raises: A list of exception classes extending from litestar.HttpException that is used for the OpenAPI documentation. + This list should describe all exceptions raised within the route handler's function/method. The Litestar + ValidationException will be added automatically for the schema if any validation is involved. + response_description: Text used for the route's response schema description section. + security: A sequence of dictionaries that contain information about which security scheme can be used on the endpoint. + summary: Text used for the route's schema summary section. + tags: A sequence of string tags that will be appended to the OpenAPI schema. + type_decoders: A sequence of tuples, each composed of a predicate testing for type identity and a msgspec + hook for deserialization. + type_encoders: A mapping of types to callables that transform them into types supported for serialization. + **kwargs: Any additional kwarg - will be set in the opt dictionary. + """ + if "http_method" in kwargs: + raise ImproperlyConfiguredException(MSG_SEMANTIC_ROUTE_HANDLER_WITH_HTTP) + super().__init__( + after_request=after_request, + after_response=after_response, + background=background, + before_request=before_request, + cache=cache, + cache_control=cache_control, + cache_key_builder=cache_key_builder, + content_encoding=content_encoding, + content_media_type=content_media_type, + dependencies=dependencies, + deprecated=deprecated, + description=description, + dto=dto, + etag=etag, + exception_handlers=exception_handlers, + guards=guards, + http_method=HttpMethod.PATCH, + include_in_schema=include_in_schema, + media_type=media_type, + middleware=middleware, + name=name, + operation_class=operation_class, + operation_id=operation_id, + opt=opt, + path=path, + raises=raises, + request_class=request_class, + response_class=response_class, + response_cookies=response_cookies, + response_description=response_description, + response_headers=response_headers, + responses=responses, + return_dto=return_dto, + security=security, + signature_namespace=signature_namespace, + status_code=status_code, + summary=summary, + sync_to_thread=sync_to_thread, + tags=tags, + type_decoders=type_decoders, + type_encoders=type_encoders, + **kwargs, + ) + + +class post(HTTPRouteHandler): + """POST Route Decorator. + + Use this decorator to decorate an HTTP handler for POST requests. + """ + + def __init__( + self, + path: str | None | Sequence[str] = None, + *, + after_request: AfterRequestHookHandler | None = None, + after_response: AfterResponseHookHandler | None = None, + background: BackgroundTask | BackgroundTasks | None = None, + before_request: BeforeRequestHookHandler | None = None, + cache: bool | int | type[CACHE_FOREVER] = False, + cache_control: CacheControlHeader | None = None, + cache_key_builder: CacheKeyBuilder | None = None, + dependencies: Dependencies | None = None, + dto: type[AbstractDTO] | None | EmptyType = Empty, + etag: ETag | None = None, + exception_handlers: ExceptionHandlersMap | None = None, + guards: Sequence[Guard] | None = None, + media_type: MediaType | str | None = None, + middleware: Sequence[Middleware] | None = None, + name: str | None = None, + opt: Mapping[str, Any] | None = None, + request_class: type[Request] | None = None, + response_class: type[Response] | None = None, + response_cookies: ResponseCookies | None = None, + response_headers: ResponseHeaders | None = None, + return_dto: type[AbstractDTO] | None | EmptyType = Empty, + signature_namespace: Mapping[str, Any] | None = None, + status_code: int | None = None, + sync_to_thread: bool | None = None, + # OpenAPI related attributes + content_encoding: str | None = None, + content_media_type: str | None = None, + deprecated: bool = False, + description: str | None = None, + include_in_schema: bool | EmptyType = Empty, + operation_class: type[Operation] = Operation, + operation_id: str | OperationIDCreator | None = None, + raises: Sequence[type[HTTPException]] | None = None, + response_description: str | None = None, + responses: Mapping[int, ResponseSpec] | None = None, + security: Sequence[SecurityRequirement] | None = None, + summary: str | None = None, + tags: Sequence[str] | None = None, + type_decoders: TypeDecodersSequence | None = None, + type_encoders: TypeEncodersMap | None = None, + **kwargs: Any, + ) -> None: + """Initialize ``post`` + + Args: + path: A path fragment for the route handler function or a sequence of path fragments. + If not given defaults to ``/`` + after_request: A sync or async function executed before a :class:`Request <.connection.Request>` is passed + to any route handler. If this function returns a value, the request will not reach the route handler, + and instead this value will be used. + after_response: A sync or async function called after the response has been awaited. It receives the + :class:`Request <.connection.Request>` object and should not return any values. + background: A :class:`BackgroundTask <.background_tasks.BackgroundTask>` instance or + :class:`BackgroundTasks <.background_tasks.BackgroundTasks>` to execute after the response is finished. + Defaults to ``None``. + before_request: A sync or async function called immediately before calling the route handler. Receives + the :class:`.connection.Request` instance and any non-``None`` return value is used for the response, + bypassing the route handler. + cache: Enables response caching if configured on the application level. Valid values are ``True`` or a number + of seconds (e.g. ``120``) to cache the response. + cache_control: A ``cache-control`` header of type + :class:`CacheControlHeader <.datastructures.CacheControlHeader>` that will be added to the response. + cache_key_builder: A :class:`cache-key builder function <.types.CacheKeyBuilder>`. Allows for customization + of the cache key if caching is configured on the application level. + dependencies: A string keyed mapping of dependency :class:`Provider <.di.Provide>` instances. + dto: :class:`AbstractDTO <.dto.base_dto.AbstractDTO>` to use for (de)serializing and + validation of request data. + etag: An ``etag`` header of type :class:`ETag <.datastructures.ETag>` that will be added to the response. + exception_handlers: A mapping of status codes and/or exception types to handler functions. + guards: A sequence of :class:`Guard <.types.Guard>` callables. + http_method: An :class:`http method string <.types.Method>`, a member of the enum + :class:`HttpMethod ` or a list of these that correlates to the methods the + route handler function should handle. + media_type: A member of the :class:`MediaType <.enums.MediaType>` enum or a string with a + valid IANA Media-Type. + middleware: A sequence of :class:`Middleware <.types.Middleware>`. + name: A string identifying the route handler. + opt: A string keyed mapping of arbitrary values that can be accessed in :class:`Guards <.types.Guard>` or + wherever you have access to :class:`Request <.connection.Request>` or :class:`ASGI Scope <.types.Scope>`. + request_class: A custom subclass of :class:`Request <.connection.Request>` to be used as route handler's + default request. + response_class: A custom subclass of :class:`Response <.response.Response>` to be used as route handler's + default response. + response_cookies: A sequence of :class:`Cookie <.datastructures.Cookie>` instances. + response_headers: A string keyed mapping of :class:`ResponseHeader <.datastructures.ResponseHeader>` + instances. + responses: A mapping of additional status codes and a description of their expected content. + This information will be included in the OpenAPI schema + return_dto: :class:`AbstractDTO <.dto.base_dto.AbstractDTO>` to use for serializing + outbound response data. + signature_namespace: A mapping of names to types for use in forward reference resolution during signature modelling. + status_code: An http status code for the response. Defaults to ``200`` for mixed method or ``GET``, ``PUT`` and + ``PATCH``, ``201`` for ``POST`` and ``204`` for ``DELETE``. + sync_to_thread: A boolean dictating whether the handler function will be executed in a worker thread or the + main event loop. This has an effect only for sync handler functions. See using sync handler functions. + content_encoding: A string describing the encoding of the content, e.g. ``base64``. + content_media_type: A string designating the media-type of the content, e.g. ``image/png``. + deprecated: A boolean dictating whether this route should be marked as deprecated in the OpenAPI schema. + description: Text used for the route's schema description section. + include_in_schema: A boolean flag dictating whether the route handler should be documented in the OpenAPI schema. + operation_class: :class:`Operation <.openapi.spec.operation.Operation>` to be used with the route's OpenAPI schema. + operation_id: Either a string or a callable returning a string. An identifier used for the route's schema operationId. + raises: A list of exception classes extending from litestar.HttpException that is used for the OpenAPI documentation. + This list should describe all exceptions raised within the route handler's function/method. The Litestar + ValidationException will be added automatically for the schema if any validation is involved. + response_description: Text used for the route's response schema description section. + security: A sequence of dictionaries that contain information about which security scheme can be used on the endpoint. + summary: Text used for the route's schema summary section. + tags: A sequence of string tags that will be appended to the OpenAPI schema. + type_decoders: A sequence of tuples, each composed of a predicate testing for type identity and a msgspec + hook for deserialization. + type_encoders: A mapping of types to callables that transform them into types supported for serialization. + **kwargs: Any additional kwarg - will be set in the opt dictionary. + """ + if "http_method" in kwargs: + raise ImproperlyConfiguredException(MSG_SEMANTIC_ROUTE_HANDLER_WITH_HTTP) + super().__init__( + after_request=after_request, + after_response=after_response, + background=background, + before_request=before_request, + cache=cache, + cache_control=cache_control, + cache_key_builder=cache_key_builder, + content_encoding=content_encoding, + content_media_type=content_media_type, + dependencies=dependencies, + deprecated=deprecated, + description=description, + dto=dto, + exception_handlers=exception_handlers, + etag=etag, + guards=guards, + http_method=HttpMethod.POST, + include_in_schema=include_in_schema, + media_type=media_type, + middleware=middleware, + name=name, + operation_class=operation_class, + operation_id=operation_id, + opt=opt, + path=path, + raises=raises, + request_class=request_class, + response_class=response_class, + response_cookies=response_cookies, + response_description=response_description, + response_headers=response_headers, + responses=responses, + return_dto=return_dto, + signature_namespace=signature_namespace, + security=security, + status_code=status_code, + summary=summary, + sync_to_thread=sync_to_thread, + tags=tags, + type_decoders=type_decoders, + type_encoders=type_encoders, + **kwargs, + ) + + +class put(HTTPRouteHandler): + """PUT Route Decorator. + + Use this decorator to decorate an HTTP handler for PUT requests. + """ + + def __init__( + self, + path: str | None | Sequence[str] = None, + *, + after_request: AfterRequestHookHandler | None = None, + after_response: AfterResponseHookHandler | None = None, + background: BackgroundTask | BackgroundTasks | None = None, + before_request: BeforeRequestHookHandler | None = None, + cache: bool | int | type[CACHE_FOREVER] = False, + cache_control: CacheControlHeader | None = None, + cache_key_builder: CacheKeyBuilder | None = None, + dependencies: Dependencies | None = None, + dto: type[AbstractDTO] | None | EmptyType = Empty, + etag: ETag | None = None, + exception_handlers: ExceptionHandlersMap | None = None, + guards: Sequence[Guard] | None = None, + media_type: MediaType | str | None = None, + middleware: Sequence[Middleware] | None = None, + name: str | None = None, + opt: Mapping[str, Any] | None = None, + request_class: type[Request] | None = None, + response_class: type[Response] | None = None, + response_cookies: ResponseCookies | None = None, + response_headers: ResponseHeaders | None = None, + return_dto: type[AbstractDTO] | None | EmptyType = Empty, + signature_namespace: Mapping[str, Any] | None = None, + status_code: int | None = None, + sync_to_thread: bool | None = None, + # OpenAPI related attributes + content_encoding: str | None = None, + content_media_type: str | None = None, + deprecated: bool = False, + description: str | None = None, + include_in_schema: bool | EmptyType = Empty, + operation_class: type[Operation] = Operation, + operation_id: str | OperationIDCreator | None = None, + raises: Sequence[type[HTTPException]] | None = None, + response_description: str | None = None, + responses: Mapping[int, ResponseSpec] | None = None, + security: Sequence[SecurityRequirement] | None = None, + summary: str | None = None, + tags: Sequence[str] | None = None, + type_decoders: TypeDecodersSequence | None = None, + type_encoders: TypeEncodersMap | None = None, + **kwargs: Any, + ) -> None: + """Initialize ``put`` + + Args: + path: A path fragment for the route handler function or a sequence of path fragments. + If not given defaults to ``/`` + after_request: A sync or async function executed before a :class:`Request <.connection.Request>` is passed + to any route handler. If this function returns a value, the request will not reach the route handler, + and instead this value will be used. + after_response: A sync or async function called after the response has been awaited. It receives the + :class:`Request <.connection.Request>` object and should not return any values. + background: A :class:`BackgroundTask <.background_tasks.BackgroundTask>` instance or + :class:`BackgroundTasks <.background_tasks.BackgroundTasks>` to execute after the response is finished. + Defaults to ``None``. + before_request: A sync or async function called immediately before calling the route handler. Receives + the :class:`.connection.Request` instance and any non-``None`` return value is used for the response, + bypassing the route handler. + cache: Enables response caching if configured on the application level. Valid values are ``True`` or a number + of seconds (e.g. ``120``) to cache the response. + cache_control: A ``cache-control`` header of type + :class:`CacheControlHeader <.datastructures.CacheControlHeader>` that will be added to the response. + cache_key_builder: A :class:`cache-key builder function <.types.CacheKeyBuilder>`. Allows for customization + of the cache key if caching is configured on the application level. + dependencies: A string keyed mapping of dependency :class:`Provider <.di.Provide>` instances. + dto: :class:`AbstractDTO <.dto.base_dto.AbstractDTO>` to use for (de)serializing and + validation of request data. + etag: An ``etag`` header of type :class:`ETag <.datastructures.ETag>` that will be added to the response. + exception_handlers: A mapping of status codes and/or exception types to handler functions. + guards: A sequence of :class:`Guard <.types.Guard>` callables. + http_method: An :class:`http method string <.types.Method>`, a member of the enum + :class:`HttpMethod ` or a list of these that correlates to the methods the + route handler function should handle. + media_type: A member of the :class:`MediaType <.enums.MediaType>` enum or a string with a + valid IANA Media-Type. + middleware: A sequence of :class:`Middleware <.types.Middleware>`. + name: A string identifying the route handler. + opt: A string keyed mapping of arbitrary values that can be accessed in :class:`Guards <.types.Guard>` or + wherever you have access to :class:`Request <.connection.Request>` or :class:`ASGI Scope <.types.Scope>`. + request_class: A custom subclass of :class:`Request <.connection.Request>` to be used as route handler's + default request. + response_class: A custom subclass of :class:`Response <.response.Response>` to be used as route handler's + default response. + response_cookies: A sequence of :class:`Cookie <.datastructures.Cookie>` instances. + response_headers: A string keyed mapping of :class:`ResponseHeader <.datastructures.ResponseHeader>` + instances. + responses: A mapping of additional status codes and a description of their expected content. + This information will be included in the OpenAPI schema + return_dto: :class:`AbstractDTO <.dto.base_dto.AbstractDTO>` to use for serializing + outbound response data. + signature_namespace: A mapping of names to types for use in forward reference resolution during signature modelling. + status_code: An http status code for the response. Defaults to ``200`` for mixed method or ``GET``, ``PUT`` and + ``PATCH``, ``201`` for ``POST`` and ``204`` for ``DELETE``. + sync_to_thread: A boolean dictating whether the handler function will be executed in a worker thread or the + main event loop. This has an effect only for sync handler functions. See using sync handler functions. + content_encoding: A string describing the encoding of the content, e.g. ``base64``. + content_media_type: A string designating the media-type of the content, e.g. ``image/png``. + deprecated: A boolean dictating whether this route should be marked as deprecated in the OpenAPI schema. + description: Text used for the route's schema description section. + include_in_schema: A boolean flag dictating whether the route handler should be documented in the OpenAPI schema. + operation_class: :class:`Operation <.openapi.spec.operation.Operation>` to be used with the route's OpenAPI schema. + operation_id: Either a string or a callable returning a string. An identifier used for the route's schema operationId. + raises: A list of exception classes extending from litestar.HttpException that is used for the OpenAPI documentation. + This list should describe all exceptions raised within the route handler's function/method. The Litestar + ValidationException will be added automatically for the schema if any validation is involved. + response_description: Text used for the route's response schema description section. + security: A sequence of dictionaries that contain information about which security scheme can be used on the endpoint. + summary: Text used for the route's schema summary section. + tags: A sequence of string tags that will be appended to the OpenAPI schema. + type_decoders: A sequence of tuples, each composed of a predicate testing for type identity and a msgspec + hook for deserialization. + type_encoders: A mapping of types to callables that transform them into types supported for serialization. + **kwargs: Any additional kwarg - will be set in the opt dictionary. + """ + if "http_method" in kwargs: + raise ImproperlyConfiguredException(MSG_SEMANTIC_ROUTE_HANDLER_WITH_HTTP) + super().__init__( + after_request=after_request, + after_response=after_response, + background=background, + before_request=before_request, + cache=cache, + cache_control=cache_control, + cache_key_builder=cache_key_builder, + content_encoding=content_encoding, + content_media_type=content_media_type, + dependencies=dependencies, + deprecated=deprecated, + description=description, + dto=dto, + exception_handlers=exception_handlers, + etag=etag, + guards=guards, + http_method=HttpMethod.PUT, + include_in_schema=include_in_schema, + media_type=media_type, + middleware=middleware, + name=name, + operation_class=operation_class, + operation_id=operation_id, + opt=opt, + path=path, + raises=raises, + request_class=request_class, + response_class=response_class, + response_cookies=response_cookies, + response_description=response_description, + response_headers=response_headers, + responses=responses, + return_dto=return_dto, + security=security, + signature_namespace=signature_namespace, + status_code=status_code, + summary=summary, + sync_to_thread=sync_to_thread, + tags=tags, + type_decoders=type_decoders, + type_encoders=type_encoders, + **kwargs, + ) -- cgit v1.2.3