changeset 5df538abe459 in /home/hg/repos/gajim
details:http://hg.gajim.org/gajim?cmd=changeset;node=5df538abe459 description: add ged.py file
diffstat:
src/common/ged.py | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 64 insertions(+), 0 deletions(-)
diffs (68 lines):
diff -r 577530a024bb -r 5df538abe459 src/common/ged.py --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/common/ged.py Tue Jan 19 22:06:00 2010 +0100 @@ -0,0 +1,64 @@ +# -*- coding: utf-8 -*- + +## This file is part of Gajim. +## +## Gajim is free software; you can redistribute it and/or modify +## it under the terms of the GNU General Public License as published +## by the Free Software Foundation; version 3 only. +## +## Gajim is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with Gajim. If not, see http://www.gnu.org/licenses/. +## + +''' +Global Events Dispatcher module. + +:author: Mateusz Biliński mateusz@bilinski.it +:since: 8th August 2008 +:copyright: Copyright (2008) Mateusz Biliński mateusz@bilinski.it +:license: GPL +''' + +import logging +log = logging.getLogger('gajim.common.ged') + +PRECORE = 30 +CORE = 40 +POSTCORE = 50 + +class GlobalEventsDispatcher(object): + + def __init__(self): + self.handlers = {} + + def register_event_handler(self, event_name, priority, handler): + if event_name in self.handlers: + handlers_list = self.handlers[event_name] + i = 0 + for i,h in enumerate(handlers_list): + if priority < h[0]: + break + + handlers_list.insert(i, (priority, handler)) + else: + self.handlers[event_name] = [(priority, handler)] + + def remove_event_handler(self, event_name, priority, handler): + if event_name in self.handlers: + try: + self.handlers[event_name].remove((priority, handler)) + except ValueError, error: + log.warn('''Function (%s) with priority "%s" never registered + as handler of event "%s". Couldn't remove. Error: %s''' + %(handler, priority, event_name, error)) + + def raise_event(self, event_name, *args, **kwargs): + log.debug('%s\nArgs: %s'%(event_name, str(args))) + if event_name in self.handlers: + for priority, handler in self.handlers[event_name]: + handler(*args, **kwargs)