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# Copyright (C) 2002-2009 by the Free Software Foundation, Inc.
#
# This file is part of GNU Mailman.
#
# GNU Mailman 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.
#
# GNU Mailman 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
# GNU Mailman. If not, see <http://www.gnu.org/licenses/>.
"""The email commands 'join' and 'subscribe'."""
__metaclass__ = type
__all__ = [
'Join',
'Subscribe',
]
from email.utils import formataddr, parseaddr
from zope.interface import implements
from mailman.config import config
from mailman.i18n import _
from mailman.interfaces.command import ContinueProcessing, IEmailCommand
from mailman.interfaces.member import DeliveryMode
from mailman.interfaces.registrar import IRegistrar
class Join:
"""The email 'join' command."""
implements(IEmailCommand)
name = 'join'
argument_description = '[digest=<yes|no>] [address=<address>]'
description = _("""\
Join this mailing list. You will be asked to confirm your subscription
request and you may be issued a provisional password.
By using the 'digest' option, you can specify whether you want digest delivery
or not. If not specified, the mailing list's default will be used. You can
also subscribe an alternative address by using the 'address' option. For
example:
join address=myotheraddress@example.com
""")
def process(self, mlist, msg, msgdata, arguments, results):
"""See `IEmailCommand`."""
# Parse the arguments.
address, delivery_mode = self._parse_arguments(arguments)
if address is None:
real_name, address = parseaddr(msg['from'])
# Address could be None or the empty string.
if not address:
address = msg.sender
if not address:
print >> results, _(
'$self.name: No valid address found to subscribe')
return ContinueProcessing.no
domain = config.domains[mlist.host_name]
registrar = IRegistrar(domain)
registrar.register(address, real_name, mlist)
person = formataddr((real_name, address))
print >> results, _('Confirmation email sent to $person')
return ContinueProcessing.yes
def _parse_arguments(self, arguments):
"""Parse command arguments.
:param arguments: The sequences of arguments as given to the
`process()` method.
:return: address, delivery_mode
"""
address = None
delivery_mode = None
for argument in arguments:
parts = argument.split('=', 1)
if parts[0].lower() == 'digest':
if digest is not None:
print >> results, self.name, \
_('duplicate argument: $argument')
return ContinueProcessing.no
if len(parts) == 0:
# We treat just plain 'digest' as 'digest=yes'. We don't
# yet support the other types of digest delivery.
delivery_mode = DeliveryMode.mime_digests
else:
if parts[1].lower() == 'yes':
delivery_mode = DeliveryMode.mime_digests
elif parts[1].lower() == 'no':
delivery_mode = DeliveryMode.regular
else:
print >> results, self.name, \
_('bad argument: $argument')
return ContinueProcessing.no
elif parts[0].lower() == 'address':
if address is not None:
print >> results, self.name, \
_('duplicate argument $argument')
return ContinueProcessing.no
if len(parts) == 0:
print >> results, self.name, \
_('missing argument value: $argument')
return ContinueProcessing.no
if len(parts) > 1:
print >> results, self.name, \
_('too many argument values: $argument')
return ContinueProcessing.no
address = parts[1]
return address, delivery_mode
class Subscribe(Join):
"""The email 'subscribe' command (an alias for 'join')."""
name = 'subscribe'
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