68014352a0
Async trigger manager add an asyncPoint method which can be used with Deferred (or sync method). This allow a triggers do to some long operations like doing network requests. MessageReceived and sendMessageData now use asyncPoint.
46 lines
1.7 KiB
Python
46 lines
1.7 KiB
Python
#!/usr/bin/env python2
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# -*- coding: utf-8 -*-
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# SAT: a jabber client
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# Copyright (C) 2009-2018 Jérôme Poisson (goffi@goffi.org)
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""Misc usefull classes"""
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from sat.tools import trigger as sync_trigger
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from twisted.internet import defer
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class TriggerManager(sync_trigger.TriggerManager):
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"""This is a TriggerManager with an new asyncPoint method"""
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@defer.inlineCallbacks
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def asyncPoint(self, point_name, *args, **kwargs):
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"""This put a trigger point with potentially async Deferred
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All the triggers for that point will be run
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@param point_name: name of the trigger point
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@return D(bool): True if the action must be continued, False else
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"""
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if point_name not in self.__triggers:
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defer.returnValue(True)
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for priority, trigger in self.__triggers[point_name]:
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try:
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cont = yield trigger(*args, **kwargs)
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if not cont:
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defer.returnValue(False)
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except sync_trigger.SkipOtherTriggers:
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break
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defer.returnValue(True)
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