28 lines
786 B
Python
28 lines
786 B
Python
import re
|
|
from email.header import decode_header, make_header
|
|
|
|
from django.utils.encoding import force_text
|
|
|
|
|
|
# check spaces between encoded_words (and strip them)
|
|
sre = re.compile(r'\?=[ \t]+=\?')
|
|
# re pat for MIME encoded_word (without trailing spaces)
|
|
mre = re.compile(r'=\?[^?]*?\?[bq]\?[^? \t]*?\?=', re.I)
|
|
|
|
|
|
def decode_mime(m):
|
|
# substitute matching encoded_word with force_text equiv.
|
|
h = decode_header(m.group(0))
|
|
u = force_text(make_header(h))
|
|
return u
|
|
|
|
|
|
def u2u_decode(s):
|
|
# utility function for (final) decoding of mime header
|
|
# note: resulting string is in one line (no \n within)
|
|
# note2: spaces between enc_words are stripped (see RFC2047)
|
|
s = ''.join(s.splitlines())
|
|
s = sre.sub('?==?', s)
|
|
u = mre.sub(decode_mime, s)
|
|
return u
|