Mercurial > libervia-backend

annotate src/tools/misc.py @ 652:8664a72442d6

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
install: minimum required wokkel version is now 0.7.1, updated setup.py
author Goffi <goffi@goffi.org>
date Fri, 04 Oct 2013 12:22:51 +0200
parents 84a6e83157c2
children 00318e60a06a
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
609
84a6e83157c2 fixed licences in docstrings (they are now in comments)
Goffi <goffi@goffi.org>
parents: 590
diff changeset
4 # SAT: a jabber client
84a6e83157c2 fixed licences in docstrings (they are now in comments)
Goffi <goffi@goffi.org>
parents: 590
diff changeset
5 # 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
6
609
84a6e83157c2 fixed licences in docstrings (they are now in comments)
Goffi <goffi@goffi.org>
parents: 590
diff changeset
7 # This program is free software: you can redistribute it and/or modify
84a6e83157c2 fixed licences in docstrings (they are now in comments)
Goffi <goffi@goffi.org>
parents: 590
diff changeset
8 # it under the terms of the GNU Affero General Public License as published by
84a6e83157c2 fixed licences in docstrings (they are now in comments)
Goffi <goffi@goffi.org>
parents: 590
diff changeset
9 # the Free Software Foundation, either version 3 of the License, or
84a6e83157c2 fixed licences in docstrings (they are now in comments)
Goffi <goffi@goffi.org>
parents: 590
diff changeset
10 # (at your option) any later version.
250
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
11
609
84a6e83157c2 fixed licences in docstrings (they are now in comments)
Goffi <goffi@goffi.org>
parents: 590
diff changeset
12 # This program is distributed in the hope that it will be useful,
84a6e83157c2 fixed licences in docstrings (they are now in comments)
Goffi <goffi@goffi.org>
parents: 590
diff changeset
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
84a6e83157c2 fixed licences in docstrings (they are now in comments)
Goffi <goffi@goffi.org>
parents: 590
diff changeset
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
84a6e83157c2 fixed licences in docstrings (they are now in comments)
Goffi <goffi@goffi.org>
parents: 590
diff changeset
15 # GNU Affero General Public License for more details.
250
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
16
609
84a6e83157c2 fixed licences in docstrings (they are now in comments)
Goffi <goffi@goffi.org>
parents: 590
diff changeset
17 # You should have received a copy of the GNU Affero General Public License
84a6e83157c2 fixed licences in docstrings (they are now in comments)
Goffi <goffi@goffi.org>
parents: 590
diff changeset
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
250
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
19
590
56531f9e9ac7 Fix pep8 support in src/tools.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
20 """Misc usefull classes"""
250
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
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
23 class TriggerException(Exception):
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
24 pass
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
25
590
56531f9e9ac7 Fix pep8 support in src/tools.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
26
525
5431136501ab core: Triggers can now frobid other triggers execution
Goffi <goffi@goffi.org>
parents: 516
diff changeset
27 class SkipOtherTriggers(Exception):
5431136501ab core: Triggers can now frobid other triggers execution
Goffi <goffi@goffi.org>
parents: 516
diff changeset
28 """ 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
29 followind triggers list """
5431136501ab core: Triggers can now frobid other triggers execution
Goffi <goffi@goffi.org>
parents: 516
diff changeset
30 pass
5431136501ab core: Triggers can now frobid other triggers execution
Goffi <goffi@goffi.org>
parents: 516
diff changeset
31
590
56531f9e9ac7 Fix pep8 support in src/tools.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
32
588
beaf6bec2fcd Remove every old-style class.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 572
diff changeset
33 class TriggerManager(object):
590
56531f9e9ac7 Fix pep8 support in src/tools.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
34 """This class manage triggers: code which interact to change de behaviour
56531f9e9ac7 Fix pep8 support in src/tools.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
35 of SàT"""
250
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):
590
56531f9e9ac7 Fix pep8 support in src/tools.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
38 self.__triggers = {}
250
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
590
56531f9e9ac7 Fix pep8 support in src/tools.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
44 @param priority: callback will be called in priority order, biggest
56531f9e9ac7 Fix pep8 support in src/tools.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
45 first
250
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
46 """
590
56531f9e9ac7 Fix pep8 support in src/tools.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
47 if point_name not in self.__triggers:
56531f9e9ac7 Fix pep8 support in src/tools.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
48 self.__triggers[point_name] = []
516
7ee15fbe8c08 core: added priority management in triggers
Goffi <goffi@goffi.org>
parents: 501
diff changeset
49 self.__triggers[point_name].append((priority, callback))
590
56531f9e9ac7 Fix pep8 support in src/tools.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
50 self.__triggers[point_name].sort(key=lambda trigger_tuple:
56531f9e9ac7 Fix pep8 support in src/tools.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
51 trigger_tuple[0], reverse=True)
250
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 def remove(self, point_name, callback):
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
54 """Remove a trigger from a point
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
55 @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
56 @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
57 for trigger_tuple in self.__triggers[point_name]:
7ee15fbe8c08 core: added priority management in triggers
Goffi <goffi@goffi.org>
parents: 501
diff changeset
58 if trigger_tuple[1] == callback:
7ee15fbe8c08 core: added priority management in triggers
Goffi <goffi@goffi.org>
parents: 501
diff changeset
59 self.__triggers[point_name].remove(trigger_tuple)
7ee15fbe8c08 core: added priority management in triggers
Goffi <goffi@goffi.org>
parents: 501
diff changeset
60 return
7ee15fbe8c08 core: added priority management in triggers
Goffi <goffi@goffi.org>
parents: 501
diff changeset
61 raise TriggerException("Trying to remove an unexisting trigger")
250
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
62
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
63 def point(self, point_name, *args, **kwargs):
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
64 """This put a trigger point
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
65 All the trigger for that point will be run
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
66 @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
67 @return: True if the action must be continued, False else"""
590
56531f9e9ac7 Fix pep8 support in src/tools.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
68 if point_name not in self.__triggers:
250
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
69 return True
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
70
516
7ee15fbe8c08 core: added priority management in triggers
Goffi <goffi@goffi.org>
parents: 501
diff changeset
71 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
72 try:
5431136501ab core: Triggers can now frobid other triggers execution
Goffi <goffi@goffi.org>
parents: 516
diff changeset
73 if not trigger(*args, **kwargs):
5431136501ab core: Triggers can now frobid other triggers execution
Goffi <goffi@goffi.org>
parents: 516
diff changeset
74 return False
5431136501ab core: Triggers can now frobid other triggers execution
Goffi <goffi@goffi.org>
parents: 516
diff changeset
75 except SkipOtherTriggers:
5431136501ab core: Triggers can now frobid other triggers execution
Goffi <goffi@goffi.org>
parents: 516
diff changeset
76 break
250
ad3b820651fa Tools: new misc library, Trigger management implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
77 return True