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emailutil.py
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emailutil.py
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# Some useful functions to extract data out of emails
# Copyright (C) 2002-2015 John Goerzen & contributors
#
# 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 2 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, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import email
from email.Parser import Parser as MailParser
def get_message_date(content, header='Date'):
"""Parses mail and returns resulting timestamp.
:param header: the header to extract date from;
:returns: timestamp or `None` in the case of failure.
"""
message = MailParser().parsestr(content, True)
dateheader = message.get(header)
# parsedate_tz returns a 10-tuple that can be passed to mktime_tz
# Will be None if missing or not in a valid format. Note that
# indexes 6, 7, and 8 of the result tuple are not usable.
datetuple = email.utils.parsedate_tz(dateheader)
if datetuple is None:
return None
return email.utils.mktime_tz(datetuple)