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File: errors.py
# Copyright (C) 2001-2006 Python Software Foundation # Author: Barry Warsaw # Contact: email-sig@python.org """email package exception classes.""" class MessageError(Exception): """Base class for errors in the email package.""" class MessageParseError(MessageError): """Base class for message parsing errors.""" class HeaderParseError(MessageParseError): """Error while parsing headers.""" class BoundaryError(MessageParseError): """Couldn't find terminating boundary.""" class MultipartConversionError(MessageError, TypeError): """Conversion to a multipart is prohibited.""" class CharsetError(MessageError): """An illegal charset was given.""" class HeaderWriteError(MessageError): """Error while writing headers.""" # These are parsing defects which the parser was able to work around. class MessageDefect(ValueError): """Base class for a message defect.""" def __init__(self, line=None): if line is not None: super().__init__(line) self.line = line class NoBoundaryInMultipartDefect(MessageDefect): """A message claimed to be a multipart but had no boundary parameter.""" class StartBoundaryNotFoundDefect(MessageDefect): """The claimed start boundary was never found.""" class CloseBoundaryNotFoundDefect(MessageDefect): """A start boundary was found, but not the corresponding close boundary.""" class FirstHeaderLineIsContinuationDefect(MessageDefect): """A message had a continuation line as its first header line.""" class MisplacedEnvelopeHeaderDefect(MessageDefect): """A 'Unix-from' header was found in the middle of a header block.""" class MissingHeaderBodySeparatorDefect(MessageDefect): """Found line with no leading whitespace and no colon before blank line.""" # XXX: backward compatibility, just in case (it was never emitted). MalformedHeaderDefect = MissingHeaderBodySeparatorDefect class MultipartInvariantViolationDefect(MessageDefect): """A message claimed to be a multipart but no subparts were found.""" class InvalidMultipartContentTransferEncodingDefect(MessageDefect): """An invalid content transfer encoding was set on the multipart itself.""" class UndecodableBytesDefect(MessageDefect): """Header contained bytes that could not be decoded""" class InvalidBase64PaddingDefect(MessageDefect): """base64 encoded sequence had an incorrect length""" class InvalidBase64CharactersDefect(MessageDefect): """base64 encoded sequence had characters not in base64 alphabet""" class InvalidBase64LengthDefect(MessageDefect): """base64 encoded sequence had invalid length (1 mod 4)""" # These errors are specific to header parsing. class HeaderDefect(MessageDefect): """Base class for a header defect.""" def __init__(self, *args, **kw): super().__init__(*args, **kw) class InvalidHeaderDefect(HeaderDefect): """Header is not valid, message gives details.""" class HeaderMissingRequiredValue(HeaderDefect): """A header that must have a value had none""" class NonPrintableDefect(HeaderDefect): """ASCII characters outside the ascii-printable range found""" def __init__(self, non_printables): super().__init__(non_printables) self.non_printables = non_printables def __str__(self): return ("the following ASCII non-printables found in header: " "{}".format(self.non_printables)) class ObsoleteHeaderDefect(HeaderDefect): """Header uses syntax declared obsolete by RFC 5322""" class NonASCIILocalPartDefect(HeaderDefect): """local_part contains non-ASCII characters""" # This defect only occurs during unicode parsing, not when # parsing messages decoded from binary. class InvalidDateDefect(HeaderDefect): """Header has unparsable or invalid date"""
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architecture.rst
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base64mime.py
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charset.py
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contentmanager.py
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encoders.py
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errors.py
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feedparser.py
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generator.py
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header.py
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headerregistry.py
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message.py
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mime
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