1 # Copyright (c) 2008 by Florian Friesdorf
3 # GNU Affero General Public License (AGPL)
5 # This program is free software; you can redistribute it and/or modify
6 # it under the terms of the GNU Affero General Public License as
7 # published by the Free Software Foundation; either version 3 of the
8 # License, or (at your option) any later version.
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU Affero General Public License for more details.
15 # You should have received a copy of the GNU Affero General Public
16 # License along with this program. If not, see
17 # <http://www.gnu.org/licenses/>.
20 __author__
= "Florian Friesdorf <flo@chaoflow.net>"
21 __docformat__
= "plaintext"
23 from zope
.app
.container
.interfaces
import IObjectAddedEvent
24 from zope
.app
.container
.interfaces
import IObjectRemovedEvent
26 from zope
.component
import adapter
, queryUtility
28 from zope
.location
.interfaces
import ILocation
30 from paula
.grouputil
.interfaces
import IMembershipProvider
31 from paula
.grouputil
.interfaces
import IMembershipProviderAdaptable
32 from paula
.grouputil
.interfaces
import IRWMemberships
35 @adapter(ILocation
, IObjectAddedEvent
)
36 def checkRegister(obj
, event
):
37 """A subscriber to ObjectAddedEvent
39 if not IMembershipProviderAdaptable
.providedBy(obj
) and \
40 not IMembershipProvider
.providedBy(obj
):
43 # we are registered globally and might run in a context without
45 util
= queryUtility(IRWMemberships
) #, context=event.newParent)
46 # XXX: not working, util is False?!
52 @adapter(ILocation
, IObjectRemovedEvent
)
53 def checkUnregister(obj
, event
):
54 """A subscriber to ObjectRemovedEvent
56 if not IMembershipProviderAdaptable
.providedBy(obj
) and \
57 not IMembershipProvider
.providedBy(obj
):
60 # we are registered globally and might run in a context without
62 util
= queryUtility(IRWMemberships
) #, context=event.newParent)
63 # XXX: not working, util is False?!