# Copyright (C) 2001-2006 Python Software Foundation

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# Author: Barry Warsaw

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# Contact: email-sig@python.org

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"""email package exception classes."""

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class MessageError(Exception):

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"""Base class for errors in the email package."""

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class MessageParseError(MessageError):

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"""Base class for message parsing errors."""

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class HeaderParseError(MessageParseError):

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"""Error while parsing headers."""

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class BoundaryError(MessageParseError):

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"""Couldn't find terminating boundary."""

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class MultipartConversionError(MessageError, TypeError):

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"""Conversion to a multipart is prohibited."""

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class CharsetError(MessageError):

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"""An illegal charset was given."""

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# These are parsing defects which the parser was able to work around.

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class MessageDefect:

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"""Base class for a message defect."""

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def __init__(self, line=None):

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self.line = line

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class NoBoundaryInMultipartDefect(MessageDefect):

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"""A message claimed to be a multipart but had no boundary parameter."""

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class StartBoundaryNotFoundDefect(MessageDefect):

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"""The claimed start boundary was never found."""

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class FirstHeaderLineIsContinuationDefect(MessageDefect):

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"""A message had a continuation line as its first header line."""

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class MisplacedEnvelopeHeaderDefect(MessageDefect):

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"""A 'Unix-from' header was found in the middle of a header block."""

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class MalformedHeaderDefect(MessageDefect):

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"""Found a header that was missing a colon, or was otherwise malformed."""

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class MultipartInvariantViolationDefect(MessageDefect):

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"""A message claimed to be a multipart but no subparts were found."""

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