* Two new events are triggered on membership changes: `SubscriptionEvent`

   when a new member joins a mailing list, and an `UnsubscriptionEvent` when a
   member leaves a mailing list.  (LP: #1047286)

1 files changed, 4 insertions, 1 deletions

diff --git a/src/mailman/model/mailinglist.py b/src/mailman/model/mailinglist.py
index 2c55540be..324e1a1c8 100644
--- a/src/mailman/model/mailinglist.py
+++ b/src/mailman/model/mailinglist.py
@@ -33,6 +33,7 @@ from storm.locals import (
     TimeDelta, Unicode)
 from urlparse import urljoin
 from zope.component import getUtility
+from zope.event import notify
 from zope.interface import implementer
 
 from mailman.config import config
@@ -50,7 +51,8 @@ from mailman.interfaces.mailinglist import (
     IAcceptableAlias, IAcceptableAliasSet, IMailingList, Personalization,
     ReplyToMunging)
 from mailman.interfaces.member import (
-    AlreadySubscribedError, MemberRole, MissingPreferredAddressError)
+    AlreadySubscribedError, MemberRole, MissingPreferredAddressError,
+    SubscriptionEvent)
 from mailman.interfaces.mime import FilterType
 from mailman.interfaces.nntp import NewsgroupModeration
 from mailman.interfaces.user import IUser
@@ -493,6 +495,7 @@ class MailingList(Model):
                         subscriber=subscriber)
         member.preferences = Preferences()
         store.add(member)
+        notify(SubscriptionEvent(self, member))
         return member