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annotate twisted/plugins/libervia.py @ 437:fa3b65b68971

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server side: ipdb is used instead of pdb in debug mode
author Goffi <goffi@goffi.org>
date Tue, 06 May 2014 23:08:08 +0200
parents bbdbee25123a
children 582c435dab6b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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06a48d805547 server side: make Libervia a Twisted plugin, and add it the --port argument + add a config file for the port.
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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 # Libervia: a Salut à Toi frontend
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5 # Copyright (C) 2013 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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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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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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30
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31 from zope.interface import implements
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33 from twisted.python import usage
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34 from twisted.plugin import IPlugin
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35 from twisted.application.service import IServiceMaker
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37 from xdg.BaseDirectory import save_config_path
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38 from ConfigParser import SafeConfigParser, NoSectionError, NoOptionError
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39 from sat.core.constants import Const as C
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40 try:
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41 from libervia_server import Libervia
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42 opt_params = Libervia.OPT_PARAMETERS
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43 except (ImportError, SystemExit):
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44 # avoid raising an error when you call twisted and sat is not launched
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45 opt_params = []
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47
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48 class Options(usage.Options):
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50 # optArgs is not really useful in our case, we need more than a flag
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51 optParameters = opt_params
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52
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53 def __init__(self):
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54 """You want to read SàT configuration file now in order to overwrite the hard-coded default values.
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55 This is because the priority is (form lowest to highest):
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56 - use hard-coded default values
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57 - use the values from SàT configuration files
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58 - use the values passes on the command line
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59 If you do it later: after the command line options have been parsed, there's no good way to know
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60 if the options values are the hard-coded ones or if they have been passed on the command line.
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61 """
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62 config = SafeConfigParser()
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63 config.read(C.CONFIG_FILES)
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64 for index, param in list(enumerate(self.optParameters)):
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65 # index is only used to not modify the loop variable "param"
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66 name = param[0]
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67 try:
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68 value = config.get('libervia', name)
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69 self.optParameters[index][2] = param[4](value)
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70 except (NoSectionError, NoOptionError):
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71 pass
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72 usage.Options.__init__(self)
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75 class LiberviaMaker(object):
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76 implements(IServiceMaker, IPlugin)
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77 tapname = 'libervia'
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78 description = u'The web frontend of Salut à Toi'
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79 options = Options
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81 def makeService(self, options):
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82 return Libervia(**dict(options)) # get rid of the usage.Option overload
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84
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85 # affectation to some variable is necessary for twisted introspection to work
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86 serviceMaker = LiberviaMaker()