Mercurial > libervia-backend

annotate src/tools/misc.py @ 452:fd455b3ca6d4

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
plugin XEP-0045: room unlocking fix
author Goffi <goffi@goffi.org>
date Sun, 22 Jan 2012 19:40:04 +0100
parents ad3b820651fa
children cf005701624b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
250
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
1 #!/usr/bin/python
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
2 # -*- coding: utf-8 -*-
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
3
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
4 """
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
5 SAT: a jabber client
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
6 Copyright (C) 2009, 2010, 2011 Jérôme Poisson (goffi@goffi.org)
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
7
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
8 This program is free software: you can redistribute it and/or modify
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
9 it under the terms of the GNU General Public License as published by
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
10 the Free Software Foundation, either version 3 of the License, or
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
11 (at your option) any later version.
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
12
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
13 This program is distributed in the hope that it will be useful,
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
16 GNU General Public License for more details.
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
17
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
18 You should have received a copy of the GNU General Public License
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
20 """
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
21
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
22 from logging import debug, info, error
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
23
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
24 """Misc usefull classes"""
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
25
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
26 class TriggerException(Exception):
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
27 pass
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
28
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
29 class TriggerManager:
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
30 """This class manage triggers: code which interact to change de behaviour of SàT"""
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
31
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
32 def __init__(self):
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
33 self.__triggers={}
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
34
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
35 def add(self, point_name, callback):
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
36 """Add a trigger to a point
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
37 @param point_name: name of the point when the trigger should be run
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
38 @param callback: method to call at the trigger point
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
39 """
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
40 if not self.__triggers.has_key(point_name):
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
41 self.__triggers[point_name]=[]
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
42 self.__triggers[point_name].append(callback)
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
43
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
44 def remove(self, point_name, callback):
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
45 """Remove a trigger from a point
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
46 @param point_name: name of the point when the trigger should be run
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
47 @param callback: method to remove, must exists in the trigger point"""
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
48 try:
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
49 self.__triggers[point_name].remove(callback)
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
50 except (KeyError,ValueError):
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
51 raise TriggerException("Trying to remove an unexisting trigger")
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
52
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
53
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
54 def point(self, point_name, *args, **kwargs):
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
55 """This put a trigger point
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
56 All the trigger for that point will be run
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
57 @param point_name: name of the trigger point
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
58 @return: True if the action must be continue, False else"""
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
59 if not self.__triggers.has_key(point_name):
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
60 return True
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
61
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
62 for trigger in self.__triggers[point_name]:
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
63 if not trigger(*args, **kwargs):
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
64 return False
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
65 return True
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
66