mirror of
https://github.com/samsonjs/vdirsyncer.git
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83 lines
1.8 KiB
Python
83 lines
1.8 KiB
Python
"""
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Contains exception classes used by vdirsyncer. Not all exceptions are here,
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only the most commonly used ones.
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"""
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from __future__ import annotations
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class Error(Exception):
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"""Baseclass for all errors."""
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def __init__(self, *args, **kwargs):
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for key, value in kwargs.items():
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if getattr(self, key, object()) is not None: # pragma: no cover
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raise TypeError(f"Invalid argument: {key}")
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setattr(self, key, value)
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super().__init__(*args)
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class UserError(Error, ValueError):
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"""Wrapper exception to be used to signify the traceback should not be
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shown to the user."""
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problems = None
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def __str__(self):
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msg = Error.__str__(self)
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for problem in self.problems or ():
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msg += f"\n - {problem}"
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return msg
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class CollectionNotFound(Error):
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"""Collection not found"""
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class PairNotFound(Error):
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"""Pair not found"""
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pair_name = None
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class PreconditionFailed(Error):
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"""
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- The item doesn't exist although it should
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- The item exists although it shouldn't
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- The etags don't match.
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Due to CalDAV we can't actually say which error it is.
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This error may indicate race conditions.
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"""
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class NotFoundError(PreconditionFailed):
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"""Item not found"""
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class AlreadyExistingError(PreconditionFailed):
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"""Item already exists."""
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existing_href = None
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class WrongEtagError(PreconditionFailed):
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"""Wrong etag"""
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class ReadOnlyError(Error):
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"""Storage is read-only."""
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class InvalidResponse(Error, ValueError):
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"""The backend returned an invalid result."""
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class UnsupportedMetadataError(Error, NotImplementedError):
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"""The storage doesn't support this type of metadata."""
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class CollectionRequired(Error):
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"""`collection = null` is not allowed."""
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