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#!/usr/bin/python -S
#
# Copyright 2011 Canonical Ltd. This software is licensed under the
# GNU Affero General Public License version 3 (see the file LICENSE).
"""Process one email message, read from stdin."""
import _pythonpath
import sys
from lp.services.config import config
from lp.services.mail.helpers import save_mail_to_librarian
from lp.services.mail.incoming import handle_one_mail
from lp.services.mail.signedmessage import signed_message_from_string
from lp.services.scripts.base import LaunchpadScript
class ProcessMail(LaunchpadScript):
usage = """%prog [options] [MAIL_FILE]
Process one incoming email, read from the specified file or from stdin.
Any mail generated in response is printed to stdout.
""" + __doc__
def main(self):
self.txn.begin()
# NB: This somewhat duplicates handleMail, but there it's mixed in
# with handling a mailbox, which we're avoiding here.
if len(self.args) >= 1:
from_file = file(self.args[0], 'rb')
else:
from_file = sys.stdin
self.logger.debug("reading message from %r" % (from_file,))
raw_mail = from_file.read()
self.logger.debug("got %d bytes" % len(raw_mail))
file_alias = save_mail_to_librarian(raw_mail)
self.logger.debug("saved to librarian as %r" % (file_alias,))
parsed_mail = signed_message_from_string(raw_mail)
# Kinda kludgey way to cause sendmail to just print it.
config.sendmail_to_stdout = True
handle_one_mail(
self.logger, parsed_mail,
file_alias, file_alias.http_url,
signature_timestamp_checker=None)
self.logger.debug("mail handling complete")
self.txn.commit()
if __name__ == '__main__':
script = ProcessMail('process-one-mail', dbuser=config.processmail.dbuser)
# No need to lock; you can run as many as you want as they use no global
# resources (like a mailbox).
script.run(use_web_security=True)
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