Every message that makes it through to the list membership gets sent to a set of recipient addresses. These addresses are calculated by one of the handler modules and depends on a host of factors.
>>> mlist = create_list('_xtest@example.com')
Recipients are calculate from the list members, so add a bunch of members to start out with. First, create a bunch of addresses...
>>> from mailman.interfaces.usermanager import IUserManager
>>> from zope.component import getUtility
>>> user_manager = getUtility(IUserManager)
>>> address_a = user_manager.create_address('aperson@example.com')
>>> address_b = user_manager.create_address('bperson@example.com')
>>> address_c = user_manager.create_address('cperson@example.com')
>>> address_d = user_manager.create_address('dperson@example.com')
>>> address_e = user_manager.create_address('eperson@example.com')
>>> address_f = user_manager.create_address('fperson@example.com')
...then subscribe these addresses to the mailing list as members...
>>> from mailman.interfaces.member import MemberRole
>>> member_a = address_a.subscribe(mlist, MemberRole.member)
>>> member_b = address_b.subscribe(mlist, MemberRole.member)
>>> member_c = address_c.subscribe(mlist, MemberRole.member)
>>> member_d = address_d.subscribe(mlist, MemberRole.member)
>>> member_e = address_e.subscribe(mlist, MemberRole.member)
>>> member_f = address_f.subscribe(mlist, MemberRole.member)
...then make some of the members digest members.
>>> from mailman.core.constants import DeliveryMode
>>> member_d.preferences.delivery_mode = DeliveryMode.plaintext_digests
>>> member_e.preferences.delivery_mode = DeliveryMode.mime_digests
>>> member_f.preferences.delivery_mode = DeliveryMode.summary_digests
Sometimes, the list of recipients already exists in the message metadata. This can happen for example, when a message was previously delivered to some but not all of the recipients.
>>> msg = message_from_string("""\
... From: Xavier Person <xperson@example.com>
...
... Something of great import.
... """)
>>> recipients = set(('qperson@example.com', 'zperson@example.com'))
>>> msgdata = dict(recipients=recipients)
>>> handler = config.handlers['calculate-recipients']
>>> handler.process(mlist, msg, msgdata)
>>> sorted(msgdata['recipients'])
[u'qperson@example.com', u'zperson@example.com']
Regular delivery recipients are those people who get messages from the list as soon as they are posted. In other words, these folks are not digest members.
>>> msgdata = {}
>>> handler.process(mlist, msg, msgdata)
>>> sorted(msgdata['recipients'])
[u'aperson@example.com', u'bperson@example.com', u'cperson@example.com']
Members can elect not to receive a list copy of their own postings.
>>> member_c.preferences.receive_own_postings = False
>>> msg = message_from_string("""\
... From: Claire Person <cperson@example.com>
...
... Something of great import.
... """)
>>> msgdata = {}
>>> handler.process(mlist, msg, msgdata)
>>> sorted(msgdata['recipients'])
[u'aperson@example.com', u'bperson@example.com']
Members can also elect not to receive a list copy of any message on which they are explicitly named as a recipient. However, see the avoid duplicates handler for details.
XXX Test various digest deliveries.