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1 | # Copyright (C) 2001-2004 Python Software Foundation |
2 | # Author: Barry Warsaw | |
3 | # Contact: email-sig@python.org | |
4 | ||
5 | """email package exception classes.""" | |
6 | ||
7 | ||
8 | \f | |
9 | class MessageError(Exception): | |
10 | """Base class for errors in the email package.""" | |
11 | ||
12 | ||
13 | class MessageParseError(MessageError): | |
14 | """Base class for message parsing errors.""" | |
15 | ||
16 | ||
17 | class HeaderParseError(MessageParseError): | |
18 | """Error while parsing headers.""" | |
19 | ||
20 | ||
21 | class BoundaryError(MessageParseError): | |
22 | """Couldn't find terminating boundary.""" | |
23 | ||
24 | ||
25 | class MultipartConversionError(MessageError, TypeError): | |
26 | """Conversion to a multipart is prohibited.""" | |
27 | ||
28 | ||
29 | \f | |
30 | # These are parsing defects which the parser was able to work around. | |
31 | class MessageDefect: | |
32 | """Base class for a message defect.""" | |
33 | ||
34 | def __init__(self, line=None): | |
35 | self.line = line | |
36 | ||
37 | class NoBoundaryInMultipartDefect(MessageDefect): | |
38 | """A message claimed to be a multipart but had no boundary parameter.""" | |
39 | ||
40 | class StartBoundaryNotFoundDefect(MessageDefect): | |
41 | """The claimed start boundary was never found.""" | |
42 | ||
43 | class FirstHeaderLineIsContinuationDefect(MessageDefect): | |
44 | """A message had a continuation line as its first header line.""" | |
45 | ||
46 | class MisplacedEnvelopeHeaderDefect(MessageDefect): | |
47 | """A 'Unix-from' header was found in the middle of a header block.""" | |
48 | ||
49 | class MalformedHeaderDefect(MessageDefect): | |
50 | """Found a header that was missing a colon, or was otherwise malformed.""" | |
51 | ||
52 | class MultipartInvariantViolationDefect(MessageDefect): | |
53 | """A message claimed to be a multipart but no subparts were found.""" |