示例#1
0
def all_same_charset(mlist, msgdata, subject, prefix, prefix_pattern, ws):
    list_charset = mlist.preferred_language.charset
    chunks = []
    for chunk, charset in decode_header(subject.encode()):
        if charset is None:
            charset = 'us-ascii'
        chunks.append(chunk.decode(charset))
        if charset != list_charset:
            return None
    subject_text = EMPTYSTRING.join(chunks)
    rematch = re.match(RE_PATTERN, subject_text, re.I)
    if rematch:
        subject_text = subject_text[rematch.end():]
        recolon = 'Re: '
    else:
        recolon = ''
    # At this point, the subject may become null if someone posted mail
    # with "Subject: [subject prefix]".
    if subject_text.strip() == '':
        with _.push(mlist.preferred_language.code):
            subject_text = _('(no subject)')
    else:
        subject_text = re.sub(prefix_pattern, '', subject_text)
    msgdata['stripped_subject'] = subject_text
    lines = subject_text.splitlines()
    first_line = [lines[0]]
    if recolon:
        first_line.insert(0, recolon)
    if prefix:
        first_line.insert(0, prefix)
    subject_text = EMPTYSTRING.join(first_line)
    return Header(subject_text, charset=list_charset, continuation_ws=ws)
示例#2
0
def mixed_charsets(mlist, msgdata, subject, prefix, prefix_pattern, ws):
    list_charset = mlist.preferred_language.charset
    chunks = decode_header(subject.encode())
    if len(chunks) == 0:
        with _.push(mlist.preferred_language.code):
            subject_text = _('(no subject)')
        chunks = [
            (prefix, list_charset),
            (subject_text, list_charset),
        ]
        return make_header(chunks, continuation_ws=ws)
    # Only search the first chunk for Re and existing prefix.
    chunk_text, chunk_charset = chunks[0]
    if chunk_charset is None:
        chunk_charset = 'us-ascii'
    if isinstance(chunk_text, str):
        first_text = chunk_text
    else:
        try:
            first_text = chunk_text.decode(chunk_charset)
        except LookupError:
            # The chunk_charset is unknown. Add a dummy first_text.
            chunks.insert(0, ('', 'us-ascii'))
            first_text = ''
    first_text = re.sub(prefix_pattern, '', first_text).lstrip()
    rematch = re.match(RE_PATTERN, first_text, re.I)
    if rematch:
        first_text = 'Re: ' + first_text[rematch.end():]
    chunks[0] = (first_text, chunk_charset)
    # The subject text stripped of the prefix, for use in the NNTP gateway.
    msgdata['stripped_subject'] = str(make_header(chunks, continuation_ws=ws))
    chunks.insert(0, (prefix, list_charset))
    return make_header(chunks, continuation_ws=ws)
def all_same_charset(mlist, msgdata, subject, prefix, prefix_pattern, ws):
    list_charset = mlist.preferred_language.charset
    chunks = []
    for chunk, charset in decode_header(subject.encode()):
        if charset is None:
            charset = 'us-ascii'
        chunks.append(chunk.decode(charset))
        if charset != list_charset:
            return None
    subject_text = EMPTYSTRING.join(chunks)
    # At this point, the subject may become null if someone posted mail
    # with "Subject: [subject prefix]".
    if subject_text.strip() == '':
        with _.push(mlist.preferred_language.code):
            subject_text = _('(no subject)')
    else:
        subject_text = re.sub(prefix_pattern, '', subject_text)
    msgdata['stripped_subject'] = subject_text
    rematch = re.match(RE_PATTERN, subject_text, re.I)
    if rematch:
        subject_text = subject_text[rematch.end():]
        recolon = 'Re: '
    else:
        recolon = ''
    lines = subject_text.splitlines()
    first_line = [lines[0]]
    if recolon:
        first_line.insert(0, recolon)
    if prefix:
        first_line.insert(0, prefix)
    subject_text = EMPTYSTRING.join(first_line)
    return Header(subject_text, charset=list_charset, continuation_ws=ws)
示例#4
0
def mixed_charsets(mlist, msgdata, subject, prefix, prefix_pattern, ws):
    list_charset = mlist.preferred_language.charset
    chunks = decode_header(subject.encode())
    if len(chunks) == 0:
        with _.push(mlist.preferred_language.code):
            subject_text = _('(no subject)')
        chunks = [(prefix, list_charset),
                  (subject_text, list_charset),
                  ]
        return make_header(chunks, continuation_ws=ws)
    # Only search the first chunk for Re and existing prefix.
    chunk_text, chunk_charset = chunks[0]
    if chunk_charset is None:
        chunk_charset = 'us-ascii'
    first_text = chunk_text.decode(chunk_charset)
    first_text = re.sub(prefix_pattern, '', first_text).lstrip()
    rematch = re.match(RE_PATTERN, first_text, re.I)
    if rematch:
        first_text = 'Re: ' + first_text[rematch.end():]
    chunks[0] = (first_text, chunk_charset)
    # The subject text stripped of the prefix, for use in the NNTP gateway.
    msgdata['stripped_subject'] = str(make_header(chunks, continuation_ws=ws))
    chunks.insert(0, (prefix, list_charset))
    return make_header(chunks, continuation_ws=ws)