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)
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)
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)