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