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# Copyright (C) 2009-2011 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/>.
"""Module stuff."""
from __future__ import absolute_import, unicode_literals
__metaclass__ = type
__all__ = [
'split_email',
]
def split_email(address):
"""Split an email address into a user name and domain.
:param address: An email address.
:type address: string
:return: The user name and domain split on dots.
:rtype: 2-tuple where the first item is the local part and the second item
is a sequence of domain parts.
"""
local_part, at, domain = address.partition('@')
if len(at) == 0:
# There was no at-sign in the email address.
return local_part, None
return local_part, domain.split('.')
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