From c0834048d564dfdc3e2cedc1a0f81788d14f3cab Mon Sep 17 00:00:00 2001 From: Ivan Alejandro Date: Wed, 23 Oct 2013 10:17:21 -0300 Subject: Move charset parser to a utils module. --- src/leap/mail/utils.py | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 src/leap/mail/utils.py (limited to 'src/leap/mail/utils.py') diff --git a/src/leap/mail/utils.py b/src/leap/mail/utils.py new file mode 100644 index 0000000..22e16a7 --- /dev/null +++ b/src/leap/mail/utils.py @@ -0,0 +1,44 @@ +# -*- coding: utf-8 -*- +# utils.py +# Copyright (C) 2013 LEAP +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . +""" +Utility functions for email. +""" +import email +import re + + +def get_email_charset(content): + """ + Mini parser to retrieve the charset of an email. + + :param content: mail contents + :type content: unicode + + :returns: the charset as parsed from the contents + :rtype: str + """ + charset = "UTF-8" + try: + em = email.message_from_string(content.encode("utf-8")) + # Miniparser for: Content-Type: ; charset= + charset_re = r'''charset=(?P[\w|\d|-]*)''' + charset = re.findall(charset_re, em["Content-Type"])[0] + if charset is None or len(charset) == 0: + charset = "UTF-8" + except Exception: + pass + return charset -- cgit v1.2.3