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# - coding: utf-8 -
# Copyright (C) 2007, 2008 Patryk Zawadzki <patrys at pld-linux.org>
# This file is part of Project Hamster.
# Project Hamster 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, either version 3 of the License, or
# (at your option) any later version.
# Project Hamster 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 Project Hamster. If not, see <http://www.gnu.org/licenses/>.
import logging
class Dispatcher(object):
def __init__(self):
self.handlers = {}
def add_handler(self, event, method):
if not self.handlers.has_key(event):
self.handlers[event] = []
if not method in self.handlers[event]:
self.handlers[event].append(method)
def del_handler(self, event, method):
if self.handlers.has_key(event):
if method in self.handlers[event]:
self.handlers[event].remove(method)
def dispatch(self, event, data = None):
if self.handlers.has_key(event):
for handler in self.handlers[event]:
handler(event, data)
else:
logging.info('Missing handler for event %s' % event)
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