Mercurial > libervia-backend

comparison src/tools/misc.py @ 525:5431136501ab

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
core: Triggers can now frobid other triggers execution if a trigger raise SkipOtherTriggers exception, normal behaviour will occure, skipping other triggers
author Goffi <goffi@goffi.org>
date Sun, 21 Oct 2012 19:28:38 +0200
parents 7ee15fbe8c08
children ca13633d3b6b
comparison
equal deleted inserted replaced
524:0bb595eff25b 525:5431136501ab
22 from logging import debug, info, error 22 from logging import debug, info, error
23 23
24 """Misc usefull classes""" 24 """Misc usefull classes"""
25 25
26 class TriggerException(Exception): 26 class TriggerException(Exception):
27 pass
28
29 class SkipOtherTriggers(Exception):
30 """ Exception to raise if normal behaviour must be followed instead of
31 followind triggers list """
27 pass 32 pass
28 33
29 class TriggerManager: 34 class TriggerManager:
30 """This class manage triggers: code which interact to change de behaviour of SàT""" 35 """This class manage triggers: code which interact to change de behaviour of SàT"""
31 36
60 @return: True if the action must be continued, False else""" 65 @return: True if the action must be continued, False else"""
61 if not self.__triggers.has_key(point_name): 66 if not self.__triggers.has_key(point_name):
62 return True 67 return True
63 68
64 for priority,trigger in self.__triggers[point_name]: 69 for priority,trigger in self.__triggers[point_name]:
65 if not trigger(*args, **kwargs): 70 try:
66 return False 71 if not trigger(*args, **kwargs):
72 return False
73 except SkipOtherTriggers:
74 break
67 return True 75 return True
68 76