Mercurial > repos > rliterman > csp2

comparison CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/lib/python3.8/email/errors.py @ 69:33d812a61356

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planemo upload commit 2e9511a184a1ca667c7be0c6321a36dc4e3d116d
author jpayne
date Tue, 18 Mar 2025 17:55:14 -0400
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67:0e9998148a16 69:33d812a61356
1 # Copyright (C) 2001-2006 Python Software Foundation
2 # Author: Barry Warsaw
3 # Contact: email-sig@python.org
4
5 """email package exception classes."""
6
7
8 class MessageError(Exception):
9 """Base class for errors in the email package."""
10
11
12 class MessageParseError(MessageError):
13 """Base class for message parsing errors."""
14
15
16 class HeaderParseError(MessageParseError):
17 """Error while parsing headers."""
18
19
20 class BoundaryError(MessageParseError):
21 """Couldn't find terminating boundary."""
22
23
24 class MultipartConversionError(MessageError, TypeError):
25 """Conversion to a multipart is prohibited."""
26
27
28 class CharsetError(MessageError):
29 """An illegal charset was given."""
30
31
32 # These are parsing defects which the parser was able to work around.
33 class MessageDefect(ValueError):
34 """Base class for a message defect."""
35
36 def __init__(self, line=None):
37 if line is not None:
38 super().__init__(line)
39 self.line = line
40
41 class NoBoundaryInMultipartDefect(MessageDefect):
42 """A message claimed to be a multipart but had no boundary parameter."""
43
44 class StartBoundaryNotFoundDefect(MessageDefect):
45 """The claimed start boundary was never found."""
46
47 class CloseBoundaryNotFoundDefect(MessageDefect):
48 """A start boundary was found, but not the corresponding close boundary."""
49
50 class FirstHeaderLineIsContinuationDefect(MessageDefect):
51 """A message had a continuation line as its first header line."""
52
53 class MisplacedEnvelopeHeaderDefect(MessageDefect):
54 """A 'Unix-from' header was found in the middle of a header block."""
55
56 class MissingHeaderBodySeparatorDefect(MessageDefect):
57 """Found line with no leading whitespace and no colon before blank line."""
58 # XXX: backward compatibility, just in case (it was never emitted).
59 MalformedHeaderDefect = MissingHeaderBodySeparatorDefect
60
61 class MultipartInvariantViolationDefect(MessageDefect):
62 """A message claimed to be a multipart but no subparts were found."""
63
64 class InvalidMultipartContentTransferEncodingDefect(MessageDefect):
65 """An invalid content transfer encoding was set on the multipart itself."""
66
67 class UndecodableBytesDefect(MessageDefect):
68 """Header contained bytes that could not be decoded"""
69
70 class InvalidBase64PaddingDefect(MessageDefect):
71 """base64 encoded sequence had an incorrect length"""
72
73 class InvalidBase64CharactersDefect(MessageDefect):
74 """base64 encoded sequence had characters not in base64 alphabet"""
75
76 class InvalidBase64LengthDefect(MessageDefect):
77 """base64 encoded sequence had invalid length (1 mod 4)"""
78
79 # These errors are specific to header parsing.
80
81 class HeaderDefect(MessageDefect):
82 """Base class for a header defect."""
83
84 def __init__(self, *args, **kw):
85 super().__init__(*args, **kw)
86
87 class InvalidHeaderDefect(HeaderDefect):
88 """Header is not valid, message gives details."""
89
90 class HeaderMissingRequiredValue(HeaderDefect):
91 """A header that must have a value had none"""
92
93 class NonPrintableDefect(HeaderDefect):
94 """ASCII characters outside the ascii-printable range found"""
95
96 def __init__(self, non_printables):
97 super().__init__(non_printables)
98 self.non_printables = non_printables
99
100 def __str__(self):
101 return ("the following ASCII non-printables found in header: "
102 "{}".format(self.non_printables))
103
104 class ObsoleteHeaderDefect(HeaderDefect):
105 """Header uses syntax declared obsolete by RFC 5322"""
106
107 class NonASCIILocalPartDefect(HeaderDefect):
108 """local_part contains non-ASCII characters"""
109 # This defect only occurs during unicode parsing, not when
110 # parsing messages decoded from binary.