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# Copyright (C) 2007-2017 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/>.
"""Interface for a roster of members."""
from public import public
from zope.interface import Attribute, Interface
@public
class IRoster(Interface):
"""A roster is a collection of `IMembers`."""
name = Attribute(
"""The name for this roster.
Rosters are considered equal if they have the same name.""")
members = Attribute(
"""An iterator over all the IMembers managed by this roster.""")
member_count = Attribute(
"""The number of members managed by this roster.""")
users = Attribute(
"""An iterator over all the IUsers reachable by this roster.
This returns all the users for all the members managed by this roster.
""")
addresses = Attribute(
"""An iterator over all the IAddresses reachable by this roster.
This returns all the addresses for all the users for all the members
managed by this roster.
""")
def get_member(email):
"""Get the member for the given address.
*Note* that it is possible for an email to be subscribed to a
mailing list twice, once through its explicit address and once
indirectly through a user's preferred address. In this case,
this API always returns the explicit address. Use
``get_memberships()`` to return them all.
:param email: The email address to search for.
:type email: string
:return: The member if found, otherwise None
:rtype: `IMember` or None
"""
def get_memberships(email):
"""Get the memberships for the given address.
:param email: The email address to search for.
:type email: string
:return: All the memberships associated with this email address.
:rtype: sequence of length 0, 1, or 2 of ``IMember``
"""
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