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annotate src/twisted/plugins/sat_plugin.py @ 1130:adea30ca0b51

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core: twistd plugin refactoring: initialisation method manage things which must be done once (reactor installation + logging configuration), this method is called when service is created, so we can have the options passed to twistd (necessary to manage logging configuration). The initialisation order is important: for instance, sat_main must be imported after logging initialisation. This refactoring avoid initialisation issue when SàT backend and libervia are both installed as twisted plugins.
author Goffi <goffi@goffi.org>
date Mon, 25 Aug 2014 17:21:04 +0200
parents 9ae01ccf89c1
children 069ad98b360d
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 # SAT: a jabber client
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5 # Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014 Jérôme Poisson (goffi@goffi.org)
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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609
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 from twisted.internet import defer
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21 if defer.Deferred.debug:
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22 # if we are in debug mode, we want to use ipdb instead of pdb
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23 try:
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24 import ipdb
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25 import pdb
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26 pdb.set_trace = ipdb.set_trace
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27 pdb.post_mortem = ipdb.post_mortem
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28 except ImportError:
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29 pass
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31 from zope.interface import implements
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32 from twisted.python import usage
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33 from twisted.plugin import IPlugin
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34 from twisted.application.service import IServiceMaker
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35
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36 # XXX: We need to configure logs before any log method is used, so here is the best place.
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37 from sat.core.constants import Const as C
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38 from sat.core.i18n import _
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39
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40
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41 def initialise(options):
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42 """Method to initialise global modules"""
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43 from twisted.internet import glib2reactor
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44 glib2reactor.install()
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45 # XXX: We need to configure logs before any log method is used, so here is the best place.
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46 from sat.core import log_config
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47 log_config.satConfigure(C.LOG_BACKEND_TWISTED, C, backend_data=options)
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50 class Options(usage.Options):
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51 optParameters = []
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54 class SatMaker(object):
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55 implements(IServiceMaker, IPlugin)
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57 tapname = C.APP_NAME_FILE
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58 description = _(u"%s XMPP client backend") % C.APP_NAME_FULL
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59 options = Options
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60
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61 def makeService(self, options):
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62 # XXX: SAT must be imported after log configuration, because it write stuff to logs
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63 initialise(options.parent)
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64 from sat.core.sat_main import SAT
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65 return SAT()
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68 serviceMaker = SatMaker()