Viewing file: 
hook.py (2.53 KB) -rw-r--r--Select action/file-type:
(
+) |
(
+) |
(
+) |
Code (
+) |
Session (
+) |
(
+) |
SDB (
+) |
(
+) |
(
+) |
(
+) |
(
+) |
(
+) |
#
# Copyright (c) 2004 Conectiva, Inc.
#
# Written by Gustavo Niemeyer <niemeyer@conectiva.com>
#
# This file is part of Smart Package Manager.
#
# Smart Package Manager 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 2 of the License, or (at
# your option) any later version.
#
# Smart Package Manager 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 Smart Package Manager; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
from thread import start_new_thread
import traceback
class Hooks:
def __init__(self):
self._hook = {}
def register(self, hookname, hookfunc, priority=500, threaded=0):
metahookname = hookname+"-registered"
if metahookname in self._hook:
for hook in self._hook[metahookname][:]:
if hook[2]:
start_new_thread(hook[0],
(hookname, hookfunc, priority, threaded))
else:
val = hook[0](hookname, hookfunc, priority, threaded)
if val == -1:
break
hook = self._hook.get(hookname)
if not hook:
self._hook[hookname] = [(hookfunc,priority,threaded)]
else:
l = len(hook)
i = 0
while i < l:
if hook[i][1] > priority:
hook.insert(i, (hookfunc,priority,threaded))
break
i = i + 1
else:
hook.append((hookfunc,priority,threaded))
def unregister(self, hookname, hookfunc, priority=500, threaded=0):
self._hook[hookname].remove((hookfunc,priority,threaded))
def call(self, hookname, *hookparam, **hookkwparam):
ret = []
if hookname in self._hook:
for hook in self._hook[hookname][:]:
if hook[2]:
start_new_thread(hook[0], hookparam, hookkwparam)
else:
val = hook[0](*hookparam, **hookkwparam)
ret.append(val)
if val == -1:
break
return ret
# vim:ts=4:sw=4:et
