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from typing import Any, Dict, Optional, Sequence, Type |
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from pydantic import BaseModel, create_model |
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from starlette.exceptions import HTTPException as StarletteHTTPException |
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from starlette.exceptions import WebSocketException as WebSocketException |
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class HTTPException(StarletteHTTPException): |
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def __init__( |
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self, |
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status_code: int, |
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detail: Any = None, |
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headers: Optional[Dict[str, str]] = None, |
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) -> None: |
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super().__init__(status_code=status_code, detail=detail, headers=headers) |
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RequestErrorModel: Type[BaseModel] = create_model("Request") |
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WebSocketErrorModel: Type[BaseModel] = create_model("WebSocket") |
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class FastAPIError(RuntimeError): |
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""" |
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A generic, FastAPI-specific error. |
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""" |
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class ValidationException(Exception): |
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def __init__(self, errors: Sequence[Any]) -> None: |
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self._errors = errors |
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def errors(self) -> Sequence[Any]: |
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return self._errors |
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class RequestValidationError(ValidationException): |
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def __init__(self, errors: Sequence[Any], *, body: Any = None) -> None: |
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super().__init__(errors) |
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self.body = body |
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class WebSocketRequestValidationError(ValidationException): |
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pass |
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class ResponseValidationError(ValidationException): |
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def __init__(self, errors: Sequence[Any], *, body: Any = None) -> None: |
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super().__init__(errors) |
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self.body = body |
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def __str__(self) -> str: |
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message = f"{len(self._errors)} validation errors:\n" |
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for err in self._errors: |
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message += f" {err}\n" |
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return message |
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