remove parsing of uneeded headers : date and mail_id

tracim/tracim/lib/email_fetcher.py

 
     try:
         mail_data['subject'] = str_header(msg['subject'])
-        mail_data['msg_id'] = str_header(msg['Message-ID'])
         mail_data['from'] = parseaddr(msg['From'])[1]
         # Reply key
         mail_data['to'] = parseaddr(msg['To'])[1]
         mail_data['references'] = parseaddr(msg['References'])[1]
         if TRACIM_SPECIAL_KEY_HEADER in msg:
             mail_data[TRACIM_SPECIAL_KEY_HEADER] = str_header(msg[TRACIM_SPECIAL_KEY_HEADER])  # nopep8
-        # date
-        date_h = str_header(msg['Date'])
-        date_tuple = parsedate_tz(date_h)
-
-        mail_data['date'] = datetime.datetime.fromtimestamp(
-            mktime_tz(date_tuple)
-        )
 
     except Exception:
         # FIXME - G.M - 2017-11-15 - handle exceptions correctly

tracim/tracim/lib/test_email_fetcher.py

     msg['Subject'] = "test"
     #msg.add_header('Reply-To', '<a+key@home>')
     msg.add_header('References', '<reply+key@home>')
-    msg.add_header('Message-ID', '<uniquevalue@home>')
-    msg.add_header('Date', 'Wed, 8 Nov 2017 15:21:10 +0100')
     msg.add_header(TRACIM_SPECIAL_KEY_HEADER, 'key')
     maildata=decode_mail(msg)
-    # same format for date
-    date_tuple = parsedate_tz('Wed, 8 Nov 2017 15:21:10 +0100')
-    date = datetime.datetime.fromtimestamp(mktime_tz(date_tuple))
 
     assert maildata == {
         TRACIM_SPECIAL_KEY_HEADER: 'key',
         'to': 'b@home',
         'subject':'test',
         'references':'reply+key@home',
-        'msg_id': '<uniquevalue@home>',
-        'date': date
     }
 # get_tracim_content_key