_exceptions.py

# File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.

from __future__ import annotations

from typing import TYPE_CHECKING, Any, Optional, cast
from typing_extensions import Literal

import httpx

from ._utils import is_dict
from ._models import construct_type

if TYPE_CHECKING:
    from .types.chat import ChatCompletion

__all__ = [
    "BadRequestError",
    "AuthenticationError",
    "PermissionDeniedError",
    "NotFoundError",
    "ConflictError",
    "UnprocessableEntityError",
    "RateLimitError",
    "InternalServerError",
    "LengthFinishReasonError",
    "ContentFilterFinishReasonError",
]


class OpenAIError(Exception):
    pass


class APIError(OpenAIError):
    message: str
    request: httpx.Request

    body: object | None
    """The API response body.

    If the API responded with a valid JSON structure then this property will be the
    decoded result.

    If it isn't a valid JSON structure then this will be the raw response.

    If there was no response associated with this error then it will be `None`.
    """

    code: Optional[str] = None
    param: Optional[str] = None
    type: Optional[str]

    def __init__(self, message: str, request: httpx.Request, *, body: object | None) -> None:
        super().__init__(message)
        self.request = request
        self.message = message
        self.body = body

        if is_dict(body):
            self.code = cast(Any, construct_type(type_=Optional[str], value=body.get("code")))
            self.param = cast(Any, construct_type(type_=Optional[str], value=body.get("param")))
            self.type = cast(Any, construct_type(type_=str, value=body.get("type")))
        else:
            self.code = None
            self.param = None
            self.type = None


class APIResponseValidationError(APIError):
    response: httpx.Response
    status_code: int

    def __init__(self, response: httpx.Response, body: object | None, *, message: str | None = None) -> None:
        super().__init__(message or "Data returned by API invalid for expected schema.", response.request, body=body)
        self.response = response
        self.status_code = response.status_code


class APIStatusError(APIError):
    """Raised when an API response has a status code of 4xx or 5xx."""

    response: httpx.Response
    status_code: int
    request_id: str | None

    def __init__(self, message: str, *, response: httpx.Response, body: object | None) -> None:
        super().__init__(message, response.request, body=body)
        self.response = response
        self.status_code = response.status_code
        self.request_id = response.headers.get("x-request-id")


class APIConnectionError(APIError):
    def __init__(self, *, message: str = "Connection error.", request: httpx.Request) -> None:
        super().__init__(message, request, body=None)


class APITimeoutError(APIConnectionError):
    def __init__(self, request: httpx.Request) -> None:
        super().__init__(message="Request timed out.", request=request)


class BadRequestError(APIStatusError):
    status_code: Literal[400] = 400  # pyright: ignore[reportIncompatibleVariableOverride]


class AuthenticationError(APIStatusError):
    status_code: Literal[401] = 401  # pyright: ignore[reportIncompatibleVariableOverride]


class PermissionDeniedError(APIStatusError):
    status_code: Literal[403] = 403  # pyright: ignore[reportIncompatibleVariableOverride]


class NotFoundError(APIStatusError):
    status_code: Literal[404] = 404  # pyright: ignore[reportIncompatibleVariableOverride]


class ConflictError(APIStatusError):
    status_code: Literal[409] = 409  # pyright: ignore[reportIncompatibleVariableOverride]


class UnprocessableEntityError(APIStatusError):
    status_code: Literal[422] = 422  # pyright: ignore[reportIncompatibleVariableOverride]


class RateLimitError(APIStatusError):
    status_code: Literal[429] = 429  # pyright: ignore[reportIncompatibleVariableOverride]


class InternalServerError(APIStatusError):
    pass


class LengthFinishReasonError(OpenAIError):
    completion: ChatCompletion
    """The completion that caused this error.

    Note: this will *not* be a complete `ChatCompletion` object when streaming as `usage`
          will not be included.
    """

    def __init__(self, *, completion: ChatCompletion) -> None:
        msg = "Could not parse response content as the length limit was reached"
        if completion.usage:
            msg += f" - {completion.usage}"

        super().__init__(msg)
        self.completion = completion


class ContentFilterFinishReasonError(OpenAIError):
    def __init__(self) -> None:
        super().__init__(
            f"Could not parse response content as the request was rejected by the content filter",
        )