1 # Copyright (C) 2001-2006 Python Software Foundation 2 # Author: Barry Warsaw 3 # Contact: email-sig (at] python.org 4 5 """email package exception classes.""" 6 7 8 10 class MessageError(Exception): 11 """Base class for errors in the email package.""" 12 13 14 class MessageParseError(MessageError): 15 """Base class for message parsing errors.""" 16 17 18 class HeaderParseError(MessageParseError): 19 """Error while parsing headers.""" 20 21 22 class BoundaryError(MessageParseError): 23 """Couldn't find terminating boundary.""" 24 25 26 class MultipartConversionError(MessageError, TypeError): 27 """Conversion to a multipart is prohibited.""" 28 29 30 class CharsetError(MessageError): 31 """An illegal charset was given.""" 32 33 34 36 # These are parsing defects which the parser was able to work around. 37 class MessageDefect: 38 """Base class for a message defect.""" 39 40 def __init__(self, line=None): 41 self.line = line 42 43 class NoBoundaryInMultipartDefect(MessageDefect): 44 """A message claimed to be a multipart but had no boundary parameter.""" 45 46 class StartBoundaryNotFoundDefect(MessageDefect): 47 """The claimed start boundary was never found.""" 48 49 class FirstHeaderLineIsContinuationDefect(MessageDefect): 50 """A message had a continuation line as its first header line.""" 51 52 class MisplacedEnvelopeHeaderDefect(MessageDefect): 53 """A 'Unix-from' header was found in the middle of a header block.""" 54 55 class MalformedHeaderDefect(MessageDefect): 56 """Found a header that was missing a colon, or was otherwise malformed.""" 57 58 class MultipartInvariantViolationDefect(MessageDefect): 59 """A message claimed to be a multipart but no subparts were found.""" 60