From f6cd2d3516e4692bd1086f8ab867eb0a7ef98f4e Mon Sep 17 00:00:00 2001 From: Polina Date: Thu, 2 Jul 2026 18:21:31 +0000 Subject: [PATCH] =?UTF-8?q?=D0=97=D0=B0=D0=B3=D1=80=D1=83=D0=B7=D0=B8?= =?UTF-8?q?=D1=82=D1=8C=20=D1=84=D0=B0=D0=B9=D0=BB=D1=8B=20=D0=B2=20=C2=AB?= =?UTF-8?q?venv/Lib/site-packages/fastapi=C2=BB?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- venv/Lib/site-packages/fastapi/concurrency.py | 41 ++ .../site-packages/fastapi/datastructures.py | 186 +++++++++ venv/Lib/site-packages/fastapi/encoders.py | 364 ++++++++++++++++++ .../fastapi/exception_handlers.py | 34 ++ venv/Lib/site-packages/fastapi/exceptions.py | 256 ++++++++++++ 5 files changed, 881 insertions(+) create mode 100644 venv/Lib/site-packages/fastapi/concurrency.py create mode 100644 venv/Lib/site-packages/fastapi/datastructures.py create mode 100644 venv/Lib/site-packages/fastapi/encoders.py create mode 100644 venv/Lib/site-packages/fastapi/exception_handlers.py create mode 100644 venv/Lib/site-packages/fastapi/exceptions.py diff --git a/venv/Lib/site-packages/fastapi/concurrency.py b/venv/Lib/site-packages/fastapi/concurrency.py new file mode 100644 index 0000000..76a5a2e --- /dev/null +++ b/venv/Lib/site-packages/fastapi/concurrency.py @@ -0,0 +1,41 @@ +from collections.abc import AsyncGenerator +from contextlib import AbstractContextManager +from contextlib import asynccontextmanager as asynccontextmanager +from typing import TypeVar + +import anyio.to_thread +from anyio import CapacityLimiter +from starlette.concurrency import iterate_in_threadpool as iterate_in_threadpool # noqa +from starlette.concurrency import run_in_threadpool as run_in_threadpool # noqa +from starlette.concurrency import ( # noqa + run_until_first_complete as run_until_first_complete, +) + +_T = TypeVar("_T") + + +@asynccontextmanager +async def contextmanager_in_threadpool( + cm: AbstractContextManager[_T], +) -> AsyncGenerator[_T, None]: + # blocking __exit__ from running waiting on a free thread + # can create race conditions/deadlocks if the context manager itself + # has its own internal pool (e.g. a database connection pool) + # to avoid this we let __exit__ run without a capacity limit + # since we're creating a new limiter for each call, any non-zero limit + # works (1 is arbitrary) + exit_limiter = CapacityLimiter(1) + try: + yield await run_in_threadpool(cm.__enter__) + except Exception as e: + ok = bool( + await anyio.to_thread.run_sync( + cm.__exit__, type(e), e, e.__traceback__, limiter=exit_limiter + ) + ) + if not ok: + raise e + else: + await anyio.to_thread.run_sync( + cm.__exit__, None, None, None, limiter=exit_limiter + ) diff --git a/venv/Lib/site-packages/fastapi/datastructures.py b/venv/Lib/site-packages/fastapi/datastructures.py new file mode 100644 index 0000000..1da784c --- /dev/null +++ b/venv/Lib/site-packages/fastapi/datastructures.py @@ -0,0 +1,186 @@ +from collections.abc import Callable, Mapping +from typing import ( + Annotated, + Any, + BinaryIO, + TypeVar, + cast, +) + +from annotated_doc import Doc +from pydantic import GetJsonSchemaHandler +from starlette.datastructures import URL as URL # noqa: F401 +from starlette.datastructures import Address as Address # noqa: F401 +from starlette.datastructures import FormData as FormData # noqa: F401 +from starlette.datastructures import Headers as Headers # noqa: F401 +from starlette.datastructures import QueryParams as QueryParams # noqa: F401 +from starlette.datastructures import State as State # noqa: F401 +from starlette.datastructures import UploadFile as StarletteUploadFile + + +class UploadFile(StarletteUploadFile): + """ + A file uploaded in a request. + + Define it as a *path operation function* (or dependency) parameter. + + If you are using a regular `def` function, you can use the `upload_file.file` + attribute to access the raw standard Python file (blocking, not async), useful and + needed for non-async code. + + Read more about it in the + [FastAPI docs for Request Files](https://fastapi.tiangolo.com/tutorial/request-files/). + + ## Example + + ```python + from typing import Annotated + + from fastapi import FastAPI, File, UploadFile + + app = FastAPI() + + + @app.post("/files/") + async def create_file(file: Annotated[bytes, File()]): + return {"file_size": len(file)} + + + @app.post("/uploadfile/") + async def create_upload_file(file: UploadFile): + return {"filename": file.filename} + ``` + """ + + file: Annotated[ + BinaryIO, + Doc("The standard Python file object (non-async)."), + ] + filename: Annotated[str | None, Doc("The original file name.")] + size: Annotated[int | None, Doc("The size of the file in bytes.")] + headers: Annotated[Headers, Doc("The headers of the request.")] + content_type: Annotated[ + str | None, Doc("The content type of the request, from the headers.") + ] + + async def write( + self, + data: Annotated[ + bytes, + Doc( + """ + The bytes to write to the file. + """ + ), + ], + ) -> None: + """ + Write some bytes to the file. + + You normally wouldn't use this from a file you read in a request. + + To be awaitable, compatible with async, this is run in threadpool. + """ + return await super().write(data) + + async def read( + self, + size: Annotated[ + int, + Doc( + """ + The number of bytes to read from the file. + """ + ), + ] = -1, + ) -> bytes: + """ + Read some bytes from the file. + + To be awaitable, compatible with async, this is run in threadpool. + """ + return await super().read(size) + + async def seek( + self, + offset: Annotated[ + int, + Doc( + """ + The position in bytes to seek to in the file. + """ + ), + ], + ) -> None: + """ + Move to a position in the file. + + Any next read or write will be done from that position. + + To be awaitable, compatible with async, this is run in threadpool. + """ + return await super().seek(offset) + + async def close(self) -> None: + """ + Close the file. + + To be awaitable, compatible with async, this is run in threadpool. + """ + return await super().close() + + @classmethod + def _validate(cls, __input_value: Any, _: Any) -> "UploadFile": + if not isinstance(__input_value, StarletteUploadFile): + raise ValueError(f"Expected UploadFile, received: {type(__input_value)}") + return cast(UploadFile, __input_value) + + @classmethod + def __get_pydantic_json_schema__( + cls, core_schema: Mapping[str, Any], handler: GetJsonSchemaHandler + ) -> dict[str, Any]: + return {"type": "string", "contentMediaType": "application/octet-stream"} + + @classmethod + def __get_pydantic_core_schema__( + cls, source: type[Any], handler: Callable[[Any], Mapping[str, Any]] + ) -> Mapping[str, Any]: + from ._compat.v2 import with_info_plain_validator_function + + return with_info_plain_validator_function(cls._validate) + + +class DefaultPlaceholder: + """ + You shouldn't use this class directly. + + It's used internally to recognize when a default value has been overwritten, even + if the overridden default value was truthy. + """ + + def __init__(self, value: Any): + self.value = value + + def __bool__(self) -> bool: + return bool(self.value) + + def __eq__(self, o: object) -> bool: + return isinstance(o, DefaultPlaceholder) and o.value == self.value + + +DefaultType = TypeVar("DefaultType") + + +def Default(value: DefaultType) -> DefaultType: + """ + You shouldn't use this function directly. + + It's used internally to recognize when a default value has been overwritten, even + if the overridden default value was truthy. + """ + return DefaultPlaceholder(value) # type: ignore + + +# Sentinel for "parameter not provided" in Param/FieldInfo. +# Typed as None to satisfy ty +_Unset = Default(None) diff --git a/venv/Lib/site-packages/fastapi/encoders.py b/venv/Lib/site-packages/fastapi/encoders.py new file mode 100644 index 0000000..c9f882d --- /dev/null +++ b/venv/Lib/site-packages/fastapi/encoders.py @@ -0,0 +1,364 @@ +import dataclasses +import datetime +from collections import defaultdict, deque +from collections.abc import Callable +from decimal import Decimal +from enum import Enum +from ipaddress import ( + IPv4Address, + IPv4Interface, + IPv4Network, + IPv6Address, + IPv6Interface, + IPv6Network, +) +from pathlib import Path, PurePath +from re import Pattern +from types import GeneratorType +from typing import Annotated, Any +from uuid import UUID + +from annotated_doc import Doc +from fastapi.exceptions import PydanticV1NotSupportedError +from fastapi.types import IncEx +from pydantic import BaseModel +from pydantic.networks import AnyUrl, NameEmail +from pydantic.types import SecretBytes, SecretStr +from pydantic_core import PydanticUndefinedType + +from ._compat import ( + Url, + is_pydantic_v1_model_instance, +) + +try: + # pydantic.color.Color is deprecated since v2.0b3, but supporting for bwd-compat + from pydantic.color import Color # ty: ignore[deprecated] +except ImportError: # pragma: no cover + + class Color: # type: ignore[no-redef] + pass + + +try: + # Supporting the new Color format for newer versions of Pydantic + from pydantic_extra_types.color import Color as PyExtraColor +except ImportError: # pragma: no cover + + class PyExtraColor: # type: ignore[no-redef] + pass + + +# Taken from Pydantic v1 as is +def isoformat(o: datetime.date | datetime.time) -> str: + return o.isoformat() + + +# Adapted from Pydantic v1 +# TODO: pv2 should this return strings instead? +def decimal_encoder(dec_value: Decimal) -> int | float: + """ + Encodes a Decimal as int if there's no exponent, otherwise float + + This is useful when we use ConstrainedDecimal to represent Numeric(x,0) + where an integer (but not int typed) is used. Encoding this as a float + results in failed round-tripping between encode and parse. + Our Id type is a prime example of this. + + >>> decimal_encoder(Decimal("1.0")) + 1.0 + + >>> decimal_encoder(Decimal("1")) + 1 + + >>> decimal_encoder(Decimal("NaN")) + nan + """ + exponent = dec_value.as_tuple().exponent + if isinstance(exponent, int) and exponent >= 0: + return int(dec_value) + else: + return float(dec_value) + + +ENCODERS_BY_TYPE: dict[type[Any], Callable[[Any], Any]] = { + bytes: lambda o: o.decode(), + Color: str, + PyExtraColor: str, + datetime.date: isoformat, + datetime.datetime: isoformat, + datetime.time: isoformat, + datetime.timedelta: lambda td: td.total_seconds(), + Decimal: decimal_encoder, + Enum: lambda o: o.value, + frozenset: list, + deque: list, + GeneratorType: list, + IPv4Address: str, + IPv4Interface: str, + IPv4Network: str, + IPv6Address: str, + IPv6Interface: str, + IPv6Network: str, + NameEmail: str, + Path: str, + Pattern: lambda o: o.pattern, + SecretBytes: str, + SecretStr: str, + set: list, + UUID: str, + Url: str, + AnyUrl: str, +} + + +def generate_encoders_by_class_tuples( + type_encoder_map: dict[Any, Callable[[Any], Any]], +) -> dict[Callable[[Any], Any], tuple[Any, ...]]: + encoders_by_class_tuples: dict[Callable[[Any], Any], tuple[Any, ...]] = defaultdict( + tuple + ) + for type_, encoder in type_encoder_map.items(): + encoders_by_class_tuples[encoder] += (type_,) + return encoders_by_class_tuples + + +encoders_by_class_tuples = generate_encoders_by_class_tuples(ENCODERS_BY_TYPE) + + +def jsonable_encoder( + obj: Annotated[ + Any, + Doc( + """ + The input object to convert to JSON. + """ + ), + ], + include: Annotated[ + IncEx | None, + Doc( + """ + Pydantic's `include` parameter, passed to Pydantic models to set the + fields to include. + """ + ), + ] = None, + exclude: Annotated[ + IncEx | None, + Doc( + """ + Pydantic's `exclude` parameter, passed to Pydantic models to set the + fields to exclude. + """ + ), + ] = None, + by_alias: Annotated[ + bool, + Doc( + """ + Pydantic's `by_alias` parameter, passed to Pydantic models to define if + the output should use the alias names (when provided) or the Python + attribute names. In an API, if you set an alias, it's probably because you + want to use it in the result, so you probably want to leave this set to + `True`. + """ + ), + ] = True, + exclude_unset: Annotated[ + bool, + Doc( + """ + Pydantic's `exclude_unset` parameter, passed to Pydantic models to define + if it should exclude from the output the fields that were not explicitly + set (and that only had their default values). + """ + ), + ] = False, + exclude_defaults: Annotated[ + bool, + Doc( + """ + Pydantic's `exclude_defaults` parameter, passed to Pydantic models to define + if it should exclude from the output the fields that had the same default + value, even when they were explicitly set. + """ + ), + ] = False, + exclude_none: Annotated[ + bool, + Doc( + """ + Pydantic's `exclude_none` parameter, passed to Pydantic models to define + if it should exclude from the output any fields that have a `None` value. + """ + ), + ] = False, + custom_encoder: Annotated[ + dict[Any, Callable[[Any], Any]] | None, + Doc( + """ + Pydantic's `custom_encoder` parameter, passed to Pydantic models to define + a custom encoder. + """ + ), + ] = None, + sqlalchemy_safe: Annotated[ + bool, + Doc( + """ + Exclude from the output any fields that start with the name `_sa`. + + This is mainly a hack for compatibility with SQLAlchemy objects, they + store internal SQLAlchemy-specific state in attributes named with `_sa`, + and those objects can't (and shouldn't be) serialized to JSON. + """ + ), + ] = True, +) -> Any: + """ + Convert any object to something that can be encoded in JSON. + + This is used internally by FastAPI to make sure anything you return can be + encoded as JSON before it is sent to the client. + + You can also use it yourself, for example to convert objects before saving them + in a database that supports only JSON. + + Read more about it in the + [FastAPI docs for JSON Compatible Encoder](https://fastapi.tiangolo.com/tutorial/encoder/). + """ + custom_encoder = custom_encoder or {} + if custom_encoder: + if type(obj) in custom_encoder: + return custom_encoder[type(obj)](obj) + else: + for encoder_type, encoder_instance in custom_encoder.items(): + if isinstance(obj, encoder_type): + return encoder_instance(obj) + if include is not None and not isinstance(include, (set, dict)): + include = set(include) # type: ignore[assignment] # ty: ignore[invalid-assignment] + if exclude is not None and not isinstance(exclude, (set, dict)): + exclude = set(exclude) # type: ignore[assignment] # ty: ignore[invalid-assignment] + if isinstance(obj, BaseModel): + obj_dict = obj.model_dump( + mode="json", + include=include, + exclude=exclude, + by_alias=by_alias, + exclude_unset=exclude_unset, + exclude_none=exclude_none, + exclude_defaults=exclude_defaults, + ) + return jsonable_encoder( + obj_dict, + exclude_none=exclude_none, + exclude_defaults=exclude_defaults, + sqlalchemy_safe=sqlalchemy_safe, + ) + if dataclasses.is_dataclass(obj): + assert not isinstance(obj, type) + obj_dict = dataclasses.asdict(obj) + return jsonable_encoder( + obj_dict, + include=include, + exclude=exclude, + by_alias=by_alias, + exclude_unset=exclude_unset, + exclude_defaults=exclude_defaults, + exclude_none=exclude_none, + custom_encoder=custom_encoder, + sqlalchemy_safe=sqlalchemy_safe, + ) + if isinstance(obj, Enum): + return obj.value + if isinstance(obj, PurePath): + return str(obj) + if isinstance(obj, (str, int, float, type(None))): + return obj + if isinstance(obj, PydanticUndefinedType): + return None + if isinstance(obj, dict): + encoded_dict = {} + allowed_keys = set(obj.keys()) + if include is not None: + allowed_keys &= set(include) + if exclude is not None: + allowed_keys -= set(exclude) + for key, value in obj.items(): + if ( + ( + not sqlalchemy_safe + or (not isinstance(key, str)) + or (not key.startswith("_sa")) + ) + and (value is not None or not exclude_none) + and key in allowed_keys + ): + encoded_key = jsonable_encoder( + key, + by_alias=by_alias, + exclude_unset=exclude_unset, + exclude_none=exclude_none, + custom_encoder=custom_encoder, + sqlalchemy_safe=sqlalchemy_safe, + ) + encoded_value = jsonable_encoder( + value, + by_alias=by_alias, + exclude_unset=exclude_unset, + exclude_none=exclude_none, + custom_encoder=custom_encoder, + sqlalchemy_safe=sqlalchemy_safe, + ) + encoded_dict[encoded_key] = encoded_value + return encoded_dict + if isinstance(obj, (list, set, frozenset, GeneratorType, tuple, deque)): + encoded_list = [] + for item in obj: + encoded_list.append( + jsonable_encoder( + item, + include=include, + exclude=exclude, + by_alias=by_alias, + exclude_unset=exclude_unset, + exclude_defaults=exclude_defaults, + exclude_none=exclude_none, + custom_encoder=custom_encoder, + sqlalchemy_safe=sqlalchemy_safe, + ) + ) + return encoded_list + + if type(obj) in ENCODERS_BY_TYPE: + return ENCODERS_BY_TYPE[type(obj)](obj) + for encoder, classes_tuple in encoders_by_class_tuples.items(): + if isinstance(obj, classes_tuple): + return encoder(obj) + if is_pydantic_v1_model_instance(obj): + raise PydanticV1NotSupportedError( + "pydantic.v1 models are no longer supported by FastAPI." + f" Please update the model {obj!r}." + ) + try: + data = dict(obj) + except Exception as e: + errors: list[Exception] = [] + errors.append(e) + try: + data = vars(obj) + except Exception as e: + errors.append(e) + raise ValueError(errors) from e + return jsonable_encoder( + data, + include=include, + exclude=exclude, + by_alias=by_alias, + exclude_unset=exclude_unset, + exclude_defaults=exclude_defaults, + exclude_none=exclude_none, + custom_encoder=custom_encoder, + sqlalchemy_safe=sqlalchemy_safe, + ) diff --git a/venv/Lib/site-packages/fastapi/exception_handlers.py b/venv/Lib/site-packages/fastapi/exception_handlers.py new file mode 100644 index 0000000..475dd7b --- /dev/null +++ b/venv/Lib/site-packages/fastapi/exception_handlers.py @@ -0,0 +1,34 @@ +from fastapi.encoders import jsonable_encoder +from fastapi.exceptions import RequestValidationError, WebSocketRequestValidationError +from fastapi.utils import is_body_allowed_for_status_code +from fastapi.websockets import WebSocket +from starlette.exceptions import HTTPException +from starlette.requests import Request +from starlette.responses import JSONResponse, Response +from starlette.status import WS_1008_POLICY_VIOLATION + + +async def http_exception_handler(request: Request, exc: HTTPException) -> Response: + headers = getattr(exc, "headers", None) + if not is_body_allowed_for_status_code(exc.status_code): + return Response(status_code=exc.status_code, headers=headers) + return JSONResponse( + {"detail": exc.detail}, status_code=exc.status_code, headers=headers + ) + + +async def request_validation_exception_handler( + request: Request, exc: RequestValidationError +) -> JSONResponse: + return JSONResponse( + status_code=422, + content={"detail": jsonable_encoder(exc.errors())}, + ) + + +async def websocket_request_validation_exception_handler( + websocket: WebSocket, exc: WebSocketRequestValidationError +) -> None: + await websocket.close( + code=WS_1008_POLICY_VIOLATION, reason=jsonable_encoder(exc.errors()) + ) diff --git a/venv/Lib/site-packages/fastapi/exceptions.py b/venv/Lib/site-packages/fastapi/exceptions.py new file mode 100644 index 0000000..d7065c5 --- /dev/null +++ b/venv/Lib/site-packages/fastapi/exceptions.py @@ -0,0 +1,256 @@ +from collections.abc import Mapping, Sequence +from typing import Annotated, Any, TypedDict + +from annotated_doc import Doc +from pydantic import BaseModel, create_model +from starlette.exceptions import HTTPException as StarletteHTTPException +from starlette.exceptions import WebSocketException as StarletteWebSocketException + + +class EndpointContext(TypedDict, total=False): + function: str + path: str + file: str + line: int + + +class HTTPException(StarletteHTTPException): + """ + An HTTP exception you can raise in your own code to show errors to the client. + + This is for client errors, invalid authentication, invalid data, etc. Not for server + errors in your code. + + Read more about it in the + [FastAPI docs for Handling Errors](https://fastapi.tiangolo.com/tutorial/handling-errors/). + + ## Example + + ```python + from fastapi import FastAPI, HTTPException + + app = FastAPI() + + items = {"foo": "The Foo Wrestlers"} + + + @app.get("/items/{item_id}") + async def read_item(item_id: str): + if item_id not in items: + raise HTTPException(status_code=404, detail="Item not found") + return {"item": items[item_id]} + ``` + """ + + def __init__( + self, + status_code: Annotated[ + int, + Doc( + """ + HTTP status code to send to the client. + + Read more about it in the + [FastAPI docs for Handling Errors](https://fastapi.tiangolo.com/tutorial/handling-errors/#use-httpexception) + """ + ), + ], + detail: Annotated[ + Any, + Doc( + """ + Any data to be sent to the client in the `detail` key of the JSON + response. + + Read more about it in the + [FastAPI docs for Handling Errors](https://fastapi.tiangolo.com/tutorial/handling-errors/#use-httpexception) + """ + ), + ] = None, + headers: Annotated[ + Mapping[str, str] | None, + Doc( + """ + Any headers to send to the client in the response. + + Read more about it in the + [FastAPI docs for Handling Errors](https://fastapi.tiangolo.com/tutorial/handling-errors/#add-custom-headers) + + """ + ), + ] = None, + ) -> None: + super().__init__(status_code=status_code, detail=detail, headers=headers) + + +class WebSocketException(StarletteWebSocketException): + """ + A WebSocket exception you can raise in your own code to show errors to the client. + + This is for client errors, invalid authentication, invalid data, etc. Not for server + errors in your code. + + Read more about it in the + [FastAPI docs for WebSockets](https://fastapi.tiangolo.com/advanced/websockets/). + + ## Example + + ```python + from typing import Annotated + + from fastapi import ( + Cookie, + FastAPI, + WebSocket, + WebSocketException, + status, + ) + + app = FastAPI() + + @app.websocket("/items/{item_id}/ws") + async def websocket_endpoint( + *, + websocket: WebSocket, + session: Annotated[str | None, Cookie()] = None, + item_id: str, + ): + if session is None: + raise WebSocketException(code=status.WS_1008_POLICY_VIOLATION) + await websocket.accept() + while True: + data = await websocket.receive_text() + await websocket.send_text(f"Session cookie is: {session}") + await websocket.send_text(f"Message text was: {data}, for item ID: {item_id}") + ``` + """ + + def __init__( + self, + code: Annotated[ + int, + Doc( + """ + A closing code from the + [valid codes defined in the specification](https://datatracker.ietf.org/doc/html/rfc6455#section-7.4.1). + """ + ), + ], + reason: Annotated[ + str | None, + Doc( + """ + The reason to close the WebSocket connection. + + It is UTF-8-encoded data. The interpretation of the reason is up to the + application, it is not specified by the WebSocket specification. + + It could contain text that could be human-readable or interpretable + by the client code, etc. + """ + ), + ] = None, + ) -> None: + super().__init__(code=code, reason=reason) + + +RequestErrorModel: type[BaseModel] = create_model("Request") +WebSocketErrorModel: type[BaseModel] = create_model("WebSocket") + + +class FastAPIError(RuntimeError): + """ + A generic, FastAPI-specific error. + """ + + +class DependencyScopeError(FastAPIError): + """ + A dependency declared that it depends on another dependency with an invalid + (narrower) scope. + """ + + +class ValidationException(Exception): + def __init__( + self, + errors: Sequence[Any], + *, + endpoint_ctx: EndpointContext | None = None, + ) -> None: + self._errors = errors + self.endpoint_ctx = endpoint_ctx + + ctx = endpoint_ctx or {} + self.endpoint_function = ctx.get("function") + self.endpoint_path = ctx.get("path") + self.endpoint_file = ctx.get("file") + self.endpoint_line = ctx.get("line") + + def errors(self) -> Sequence[Any]: + return self._errors + + def _format_endpoint_context(self) -> str: + if not (self.endpoint_file and self.endpoint_line and self.endpoint_function): + if self.endpoint_path: + return f"\n Endpoint: {self.endpoint_path}" + return "" + + context = f'\n File "{self.endpoint_file}", line {self.endpoint_line}, in {self.endpoint_function}' + if self.endpoint_path: + context += f"\n {self.endpoint_path}" + return context + + def __str__(self) -> str: + message = f"{len(self._errors)} validation error{'s' if len(self._errors) != 1 else ''}:\n" + for err in self._errors: + message += f" {err}\n" + message += self._format_endpoint_context() + return message.rstrip() + + +class RequestValidationError(ValidationException): + def __init__( + self, + errors: Sequence[Any], + *, + body: Any = None, + endpoint_ctx: EndpointContext | None = None, + ) -> None: + super().__init__(errors, endpoint_ctx=endpoint_ctx) + self.body = body + + +class WebSocketRequestValidationError(ValidationException): + def __init__( + self, + errors: Sequence[Any], + *, + endpoint_ctx: EndpointContext | None = None, + ) -> None: + super().__init__(errors, endpoint_ctx=endpoint_ctx) + + +class ResponseValidationError(ValidationException): + def __init__( + self, + errors: Sequence[Any], + *, + body: Any = None, + endpoint_ctx: EndpointContext | None = None, + ) -> None: + super().__init__(errors, endpoint_ctx=endpoint_ctx) + self.body = body + + +class PydanticV1NotSupportedError(FastAPIError): + """ + A pydantic.v1 model is used, which is no longer supported. + """ + + +class FastAPIDeprecationWarning(UserWarning): + """ + A custom deprecation warning as DeprecationWarning is ignored + Ref: https://sethmlarson.dev/deprecations-via-warnings-dont-work-for-python-libraries + """