113 lines
2.8 KiB
Python
113 lines
2.8 KiB
Python
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"""Exceptions."""
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from __future__ import annotations
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from socket import timeout as TimeoutError
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from types import TracebackType
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from typing import TYPE_CHECKING, TypeVar
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from amqp import ChannelError, ConnectionError, ResourceError
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if TYPE_CHECKING:
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from kombu.asynchronous.http import Response
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__all__ = (
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'reraise', 'KombuError', 'OperationalError',
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'NotBoundError', 'MessageStateError', 'TimeoutError',
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'LimitExceeded', 'ConnectionLimitExceeded',
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'ChannelLimitExceeded', 'ConnectionError', 'ChannelError',
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'VersionMismatch', 'SerializerNotInstalled', 'ResourceError',
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'SerializationError', 'EncodeError', 'DecodeError', 'HttpError',
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'InconsistencyError',
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)
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BaseExceptionType = TypeVar('BaseExceptionType', bound=BaseException)
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def reraise(
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tp: type[BaseExceptionType],
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value: BaseExceptionType,
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tb: TracebackType | None = None
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) -> BaseExceptionType:
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"""Reraise exception."""
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if value.__traceback__ is not tb:
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raise value.with_traceback(tb)
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raise value
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class KombuError(Exception):
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"""Common subclass for all Kombu exceptions."""
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class OperationalError(KombuError):
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"""Recoverable message transport connection error."""
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class SerializationError(KombuError):
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"""Failed to serialize/deserialize content."""
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class EncodeError(SerializationError):
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"""Cannot encode object."""
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class DecodeError(SerializationError):
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"""Cannot decode object."""
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class NotBoundError(KombuError):
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"""Trying to call channel dependent method on unbound entity."""
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class MessageStateError(KombuError):
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"""The message has already been acknowledged."""
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class LimitExceeded(KombuError):
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"""Limit exceeded."""
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class ConnectionLimitExceeded(LimitExceeded):
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"""Maximum number of simultaneous connections exceeded."""
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class ChannelLimitExceeded(LimitExceeded):
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"""Maximum number of simultaneous channels exceeded."""
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class VersionMismatch(KombuError):
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"""Library dependency version mismatch."""
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class SerializerNotInstalled(KombuError):
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"""Support for the requested serialization type is not installed."""
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class ContentDisallowed(SerializerNotInstalled):
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"""Consumer does not allow this content-type."""
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class InconsistencyError(ConnectionError):
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"""Data or environment has been found to be inconsistent.
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Depending on the cause it may be possible to retry the operation.
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"""
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class HttpError(Exception):
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"""HTTP Client Error."""
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def __init__(
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self,
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code: int,
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message: str | None = None,
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response: Response | None = None
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) -> None:
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self.code = code
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self.message = message
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self.response = response
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super().__init__(code, message, response)
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def __str__(self) -> str:
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return 'HTTP {0.code}: {0.message}'.format(self)
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