def remove_invitations(self, iids):
self.require_manage()
storage = IInvitationStorage(self.context)
mtool = getToolByName(self.context, 'portal_membership')
member = mtool.getAuthenticatedMember()
for iid in iids:
invitation = storage.get_invitation_by_iid(iid)
if invitation is None:
continue
if invitation.inviter != member.getId():
raise Forbidden
storage.remove_invitation(invitation)
notify(InvitationRetractedEvent(invitation.get_target(),
invitation))
