+ def _debug(self, fact):
+ if cherrypy.config.get('debug', False):
+ cherrypy.log(fact)
+
+ def get_tree(self, site):
+ raise NotImplementedError
+
+ def enable(self, site):
+ plugins = site[FACILITY]
+ if self in plugins['enabled']:
+ return
+
+ # configure self
+ if self.name in plugins['config']:
+ self.set_config(plugins['config'][self.name])
+
+ # and add self to the root
+ root = plugins['root']
+ root.add_subtree(self.name, self.get_tree(site))
+
+ # finally add self in login chain
+ prev_obj = None
+ for prev_obj in plugins['enabled']:
+ if prev_obj.next_login:
+ break
+ if prev_obj:
+ while prev_obj.next_login:
+ prev_obj = prev_obj.next_login
+ prev_obj.next_login = self
+ if not root.first_login:
+ root.first_login = self
+
+ plugins['enabled'].append(self)
+ self._debug('Login plugin enabled: %s' % self.name)
+
+ def disable(self, site):
+ plugins = site[FACILITY]
+ if self not in plugins['enabled']:
+ return
+
+ #remove self from chain
+ root = plugins['root']
+ if root.first_login == self:
+ root.first_login = self.next_login
+ elif root.first_login:
+ prev_obj = root.first_login
+ while prev_obj.next_login != self:
+ prev_obj = prev_obj.next_login
+ if prev_obj:
+ prev_obj.next_login = self.next_login
+ self.next_login = None
+
+ plugins['enabled'].remove(self)
+ self._debug('Login plugin disabled: %s' % self.name)
+