Mercurial > libervia-backend

annotate src/tools/misc.py @ 572:ca13633d3b6b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
dates update
author Goffi <goffi@goffi.org>
date Mon, 07 Jan 2013 23:30:13 +0100
parents 5431136501ab
children beaf6bec2fcd
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
572
ca13633d3b6b dates update
Goffi <goffi@goffi.org>
parents: 525
diff changeset
6 Copyright (C) 2009, 2010, 2011, 2012, 2013 Jérôme Poisson (goffi@goffi.org)
250
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
480
2a072735e459 Licence modification: the full project is now under AGPL v3+ instead of GPL v3+
Goffi <goffi@goffi.org>
parents: 459
diff changeset
9 it under the terms of the GNU Affero General Public License as published by
250
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
480
2a072735e459 Licence modification: the full project is now under AGPL v3+ instead of GPL v3+
Goffi <goffi@goffi.org>
parents: 459
diff changeset
16 GNU Affero General Public License for more details.
250
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
17
480
2a072735e459 Licence modification: the full project is now under AGPL v3+ instead of GPL v3+
Goffi <goffi@goffi.org>
parents: 459
diff changeset
18 You should have received a copy of the GNU Affero General Public License
250
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
525
5431136501ab core: Triggers can now frobid other triggers execution
Goffi <goffi@goffi.org>
parents: 516
diff changeset
29 class SkipOtherTriggers(Exception):
5431136501ab core: Triggers can now frobid other triggers execution
Goffi <goffi@goffi.org>
parents: 516
diff changeset
30 """ Exception to raise if normal behaviour must be followed instead of
5431136501ab core: Triggers can now frobid other triggers execution
Goffi <goffi@goffi.org>
parents: 516
diff changeset
31 followind triggers list """
5431136501ab core: Triggers can now frobid other triggers execution
Goffi <goffi@goffi.org>
parents: 516
diff changeset
32 pass
5431136501ab core: Triggers can now frobid other triggers execution
Goffi <goffi@goffi.org>
parents: 516
diff changeset
33
250
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
34 class TriggerManager:
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
35 """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
36
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
37 def __init__(self):
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
38 self.__triggers={}
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
39
516
7ee15fbe8c08 core: added priority management in triggers
Goffi <goffi@goffi.org>
parents: 501
diff changeset
40 def add(self, point_name, callback, priority=0):
250
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
41 """Add a trigger to a point
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
42 @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
43 @param callback: method to call at the trigger point
516
7ee15fbe8c08 core: added priority management in triggers
Goffi <goffi@goffi.org>
parents: 501
diff changeset
44 @param priority: callback will be called in priority order, biggest first
250
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
45 """
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
46 if not self.__triggers.has_key(point_name):
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
47 self.__triggers[point_name]=[]
516
7ee15fbe8c08 core: added priority management in triggers
Goffi <goffi@goffi.org>
parents: 501
diff changeset
48 self.__triggers[point_name].append((priority, callback))
7ee15fbe8c08 core: added priority management in triggers
Goffi <goffi@goffi.org>
parents: 501
diff changeset
49 self.__triggers[point_name].sort(key=lambda trigger_tuple: trigger_tuple[0], reverse=True)
250
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
50
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
51 def remove(self, point_name, callback):
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
52 """Remove a trigger from a point
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
53 @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
54 @param callback: method to remove, must exists in the trigger point"""
516
7ee15fbe8c08 core: added priority management in triggers
Goffi <goffi@goffi.org>
parents: 501
diff changeset
55 for trigger_tuple in self.__triggers[point_name]:
7ee15fbe8c08 core: added priority management in triggers
Goffi <goffi@goffi.org>
parents: 501
diff changeset
56 if trigger_tuple[1] == callback:
7ee15fbe8c08 core: added priority management in triggers
Goffi <goffi@goffi.org>
parents: 501
diff changeset
57 self.__triggers[point_name].remove(trigger_tuple)
7ee15fbe8c08 core: added priority management in triggers
Goffi <goffi@goffi.org>
parents: 501
diff changeset
58 return
7ee15fbe8c08 core: added priority management in triggers
Goffi <goffi@goffi.org>
parents: 501
diff changeset
59 raise TriggerException("Trying to remove an unexisting trigger")
250
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
60
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
61 def point(self, point_name, *args, **kwargs):
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
62 """This put a trigger point
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
63 All the trigger for that point will be run
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
64 @param point_name: name of the trigger point
501
e9634d2e7b38 core, quick_frontend, primitivus, wix: Contacts List refactoring phase 1:
Goffi <goffi@goffi.org>
parents: 480
diff changeset
65 @return: True if the action must be continued, False else"""
250
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
66 if not self.__triggers.has_key(point_name):
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
67 return True
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
68
516
7ee15fbe8c08 core: added priority management in triggers
Goffi <goffi@goffi.org>
parents: 501
diff changeset
69 for priority,trigger in self.__triggers[point_name]:
525
5431136501ab core: Triggers can now frobid other triggers execution
Goffi <goffi@goffi.org>
parents: 516
diff changeset
70 try:
5431136501ab core: Triggers can now frobid other triggers execution
Goffi <goffi@goffi.org>
parents: 516
diff changeset
71 if not trigger(*args, **kwargs):
5431136501ab core: Triggers can now frobid other triggers execution
Goffi <goffi@goffi.org>
parents: 516
diff changeset
72 return False
5431136501ab core: Triggers can now frobid other triggers execution
Goffi <goffi@goffi.org>
parents: 516
diff changeset
73 except SkipOtherTriggers:
5431136501ab core: Triggers can now frobid other triggers execution
Goffi <goffi@goffi.org>
parents: 516
diff changeset
74 break
250
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
75 return True
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
76