annotate src/cagou/core/cagou_main.py @ 25:d09bd16dbbe2

code (cagou widget), selector: icons handling + use of new muchoslava icon set
author Goffi <goffi@goffi.org>
date Wed, 10 Aug 2016 01:24:37 +0200
parents c58b522607f4
children 9f9532eb835f
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1 #!/usr//bin/env python2
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2 # -*- coding: utf-8 -*-
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3
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4 # Cagou: desktop/mobile frontend for Salut à Toi XMPP client
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5 # Copyright (C) 2016 Jérôme Poisson (goffi@goffi.org)
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6
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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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11
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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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16
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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
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21 from sat.core.i18n import _
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22 import logging_setter
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23 logging_setter.set_logging()
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24 from constants import Const as C
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25 from sat.core import log as logging
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26 log = logging.getLogger(__name__)
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27 from sat_frontends.quick_frontend.quick_app import QuickApp
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28 from sat_frontends.bridge.DBus import DBusBridgeFrontend
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29 import kivy
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30 kivy.require('1.9.1')
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31 import kivy.support
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32 kivy.support.install_gobject_iteration()
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33 from kivy.app import App
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34 from kivy.lang import Builder
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35 import xmlui
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36 from profile_manager import ProfileManager
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37 from widgets_handler import WidgetsHandler
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38 from kivy.uix.boxlayout import BoxLayout
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39 from cagou_widget import CagouWidget
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40 from importlib import import_module
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41 import os.path
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42 import glob
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43 import cagou.plugins
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44 import cagou.kv
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45
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46
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47 class CagouRootWidget(BoxLayout):
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48
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49 def __init__(self, widgets):
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50 super(CagouRootWidget, self).__init__(orientation=("vertical"))
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51 for wid in widgets:
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52 self.add_widget(wid)
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53
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54 def change_widgets(self, widgets):
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55 self.clear_widgets()
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56 for wid in widgets:
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57 self.add_widget(wid)
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60 class CagouApp(App):
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61 """Kivy App for Cagou"""
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62
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63 def build(self):
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64 return CagouRootWidget([ProfileManager()])
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66
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67 class Cagou(QuickApp):
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68 MB_HANDLE = False
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69
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70 def __init__(self):
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71 super(Cagou, self).__init__(create_bridge=DBusBridgeFrontend, xmlui=xmlui)
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72 self._import_kv()
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73 self.app = CagouApp()
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74 self.media_dir = self.app.media_dir = self.bridge.getConfig("", "media_dir")
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75 self.app.default_avatar = os.path.join(self.media_dir, "misc/default_avatar.png")
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76 self._plg_wids = [] # widget plugins
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77 self._import_plugins()
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78
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79 def run(self):
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80 self.app.run()
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81
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82 def _defaultFactory(self, plugin_info, target, profiles):
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83 """factory used to create widget instance when PLUGIN_INFO["factory"] is not set"""
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84 main_cls = plugin_info['main']
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85 return self.widgets.getOrCreateWidget(main_cls, target, on_new_widget=None, profiles=iter(self.profiles))
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86
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87 def _import_kv(self):
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88 """import all kv files in cagou.kv"""
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89 path = os.path.dirname(cagou.kv.__file__)
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90 for kv_path in glob.glob(os.path.join(path, "*.kv")):
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91 Builder.load_file(kv_path)
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92 log.debug(u"kv file {} loaded".format(kv_path))
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93
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94 def _import_plugins(self):
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95 """import all plugins"""
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96 self.default_wid = None
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97 plugins_path = os.path.dirname(cagou.plugins.__file__)
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98 plug_lst = [os.path.splitext(p)[0] for p in map(os.path.basename, glob.glob(os.path.join(plugins_path, "plugin*.py")))]
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99 imported_names = set() # use to avoid loading 2 times plugin with same import name
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100 for plug in plug_lst:
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101 plugin_path = 'cagou.plugins.' + plug
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102 mod = import_module(plugin_path)
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103 try:
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104 plugin_info = mod.PLUGIN_INFO
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105 except AttributeError:
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106 plugin_info = {}
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107
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108 # import name is used to differentiate plugins
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109 if 'import_name' not in plugin_info:
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110 plugin_info['import_name'] = plug
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111 if 'import_name' in imported_names:
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112 log.warning(_(u"there is already a plugin named {}, ignoring new one").format(plugin_info['import_name']))
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113 continue
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114 if plugin_info['import_name'] == C.WID_SELECTOR:
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115 # if WidgetSelector exists, it will be our default widget
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116 self.default_wid = plugin_info
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117
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118 # we want everything optional, so we use plugin file name
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119 # if actual name is not found
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120 if 'name' not in plugin_info:
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121 plugin_info['name'] = plug[plug.rfind('_')+1:]
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122
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123 # we need to load the kv file
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124 if 'kv_file' not in plugin_info:
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125 plugin_info['kv_file'] = u'{}.kv'.format(plug)
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126 kv_path = os.path.join(plugins_path, plugin_info['kv_file'])
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127 Builder.load_file(kv_path)
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128
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129 # what is the main class ?
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130 main_cls = getattr(mod, plugin_info['main'])
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131 plugin_info['main'] = main_cls
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132
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133 # factory is used to create the instance
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134 # if not found, we use a defaut one with getOrCreateWidget
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135 if 'factory' not in plugin_info:
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136 plugin_info['factory'] = self._defaultFactory
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137
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138 # icons
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139 for size in ('small', 'medium'):
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140 key = u'icon_{}'.format(size)
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141 try:
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142 path = plugin_info[key]
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143 except KeyError:
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144 path = C.DEFAULT_WIDGET_ICON.format(media=self.media_dir)
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145 else:
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146 path = path.format(media=self.media_dir)
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147 if not os.path.isfile(path):
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148 path = C.DEFAULT_WIDGET_ICON.format(media=self.media_dir)
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149 plugin_info[key] = path
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150
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151 self._plg_wids.append(plugin_info)
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152 if not self._plg_wids:
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153 log.error(_(u"no widget plugin found"))
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154 return
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155
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156 # we want widgets sorted by names
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157 self._plg_wids.sort(key=lambda p: p['name'].lower())
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158
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159 if self.default_wid is None:
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160 # we have no selector widget, we use the first widget as default
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161 self.default_wid = self._plg_wids[0]
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162
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163 def getPluggedWidgets(self, except_cls=None):
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164 """get available widgets plugin infos
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165
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166 @param except_cls(None, class): if not None,
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167 widgets from this class will be excluded
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168 @return (list[dict]): available widgets plugin infos
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169 """
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170 for plugin_data in self._plg_wids:
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171 if plugin_data['main'] == except_cls:
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172 continue
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173 yield plugin_data
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174
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175 def plugging_profiles(self):
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176 self.app.root.change_widgets([WidgetsHandler()])
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177
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178 def setPresenceStatus(self, show='', status=None, profile=C.PROF_KEY_NONE):
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179 log.info(u"Profile presence status set to {show}/{status}".format(show=show, status=status))
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180
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181 def switchWidget(self, old, new):
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182 """Replace old widget by new one
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183
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184 old(CagouWidget): CagouWidget instance or a child
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185 new(CagouWidget): new widget instance
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186 """
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187 to_change = None
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188 if isinstance(old, CagouWidget):
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189 to_change = old
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190 else:
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191 for w in old.walk_reverse():
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192 if isinstance(w, CagouWidget):
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193 to_change = w
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194 break
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195
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196 if to_change is None:
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197 log.error(u"no CagouWidget found when trying to switch widget")
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198 else:
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199 parent = to_change.parent
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200 idx = parent.children.index(to_change)
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201 parent.remove_widget(to_change)
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202 parent.add_widget(new, index=idx)