Mercurial > libervia-desktop
annotate src/cagou/core/cagou_main.py @ 28:9f9532eb835f
core: added expand method to expand filename with magic values, specially useful in kv
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Sun, 21 Aug 2016 15:02:18 +0200 |
| parents | d09bd16dbbe2 |
| children | 8b5827c43155 |
| rev | line source |
|---|---|
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1 #!/usr//bin/env python2 |
| 0 | 2 # -*- coding: utf-8 -*- |
| 3 | |
| 4 # Cagou: desktop/mobile frontend for Salut à Toi XMPP client | |
| 5 # Copyright (C) 2016 Jérôme Poisson (goffi@goffi.org) | |
| 6 | |
| 7 # This program is free software: you can redistribute it and/or modify | |
| 8 # it under the terms of the GNU Affero General Public License as published by | |
| 9 # the Free Software Foundation, either version 3 of the License, or | |
| 10 # (at your option) any later version. | |
| 11 | |
| 12 # This program is distributed in the hope that it will be useful, | |
| 13 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 # GNU Affero General Public License for more details. | |
| 16 | |
| 17 # You should have received a copy of the GNU Affero General Public License | |
| 18 # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 | |
| 20 | |
| 14 | 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 |
| 0 | 25 from sat.core import log as logging |
| 26 log = logging.getLogger(__name__) | |
| 27 from sat_frontends.quick_frontend.quick_app import QuickApp | |
| 28 from sat_frontends.bridge.DBus import DBusBridgeFrontend | |
| 29 import kivy | |
| 30 kivy.require('1.9.1') | |
| 31 import kivy.support | |
| 32 kivy.support.install_gobject_iteration() | |
| 33 from kivy.app import App | |
| 14 | 34 from kivy.lang import Builder |
| 0 | 35 import xmlui |
| 36 from profile_manager import ProfileManager | |
| 13 | 37 from widgets_handler import WidgetsHandler |
| 9 | 38 from kivy.uix.boxlayout import BoxLayout |
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39 from cagou_widget import CagouWidget |
| 14 | 40 from importlib import import_module |
| 9 | 41 import os.path |
| 14 | 42 import glob |
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43 import cagou.plugins |
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44 import cagou.kv |
| 9 | 45 |
| 46 | |
| 47 class CagouRootWidget(BoxLayout): | |
| 48 | |
| 49 def __init__(self, widgets): | |
| 50 super(CagouRootWidget, self).__init__(orientation=("vertical")) | |
| 51 for wid in widgets: | |
| 52 self.add_widget(wid) | |
| 53 | |
| 54 def change_widgets(self, widgets): | |
| 55 self.clear_widgets() | |
| 56 for wid in widgets: | |
| 57 self.add_widget(wid) | |
| 0 | 58 |
| 59 | |
| 60 class CagouApp(App): | |
| 61 """Kivy App for Cagou""" | |
| 62 | |
| 63 def build(self): | |
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64 return CagouRootWidget([ProfileManager()]) |
| 0 | 65 |
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66 def expand(self, path): |
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67 """expand path and replace known values |
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68 |
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69 useful in kv. Values which can be used: |
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70 - {media}: media dir |
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71 """ |
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72 return os.path.expanduser(path).format(media=self.host.media_dir) |
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73 |
| 0 | 74 |
| 75 class Cagou(QuickApp): | |
| 76 MB_HANDLE = False | |
| 77 | |
| 78 def __init__(self): | |
| 79 super(Cagou, self).__init__(create_bridge=DBusBridgeFrontend, xmlui=xmlui) | |
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80 self._import_kv() |
| 0 | 81 self.app = CagouApp() |
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82 self.media_dir = self.app.media_dir = self.bridge.getConfig("", "media_dir") |
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83 self.app.default_avatar = os.path.join(self.media_dir, "misc/default_avatar.png") |
| 14 | 84 self._plg_wids = [] # widget plugins |
| 85 self._import_plugins() | |
| 0 | 86 |
| 87 def run(self): | |
| 88 self.app.run() | |
| 89 | |
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90 def _defaultFactory(self, plugin_info, target, profiles): |
| 14 | 91 """factory used to create widget instance when PLUGIN_INFO["factory"] is not set""" |
| 92 main_cls = plugin_info['main'] | |
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93 return self.widgets.getOrCreateWidget(main_cls, target, on_new_widget=None, profiles=iter(self.profiles)) |
| 14 | 94 |
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95 def _import_kv(self): |
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96 """import all kv files in cagou.kv""" |
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97 path = os.path.dirname(cagou.kv.__file__) |
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98 for kv_path in glob.glob(os.path.join(path, "*.kv")): |
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99 Builder.load_file(kv_path) |
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100 log.debug(u"kv file {} loaded".format(kv_path)) |
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101 |
| 14 | 102 def _import_plugins(self): |
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103 """import all plugins""" |
| 14 | 104 self.default_wid = None |
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105 plugins_path = os.path.dirname(cagou.plugins.__file__) |
| 14 | 106 plug_lst = [os.path.splitext(p)[0] for p in map(os.path.basename, glob.glob(os.path.join(plugins_path, "plugin*.py")))] |
| 107 imported_names = set() # use to avoid loading 2 times plugin with same import name | |
| 108 for plug in plug_lst: | |
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109 plugin_path = 'cagou.plugins.' + plug |
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110 mod = import_module(plugin_path) |
| 14 | 111 try: |
| 112 plugin_info = mod.PLUGIN_INFO | |
| 113 except AttributeError: | |
| 114 plugin_info = {} | |
| 115 | |
| 116 # import name is used to differentiate plugins | |
| 117 if 'import_name' not in plugin_info: | |
| 118 plugin_info['import_name'] = plug | |
| 119 if 'import_name' in imported_names: | |
| 120 log.warning(_(u"there is already a plugin named {}, ignoring new one").format(plugin_info['import_name'])) | |
| 121 continue | |
| 122 if plugin_info['import_name'] == C.WID_SELECTOR: | |
| 123 # if WidgetSelector exists, it will be our default widget | |
| 124 self.default_wid = plugin_info | |
| 125 | |
| 126 # we want everything optional, so we use plugin file name | |
| 127 # if actual name is not found | |
| 128 if 'name' not in plugin_info: | |
| 129 plugin_info['name'] = plug[plug.rfind('_')+1:] | |
| 130 | |
| 131 # we need to load the kv file | |
| 132 if 'kv_file' not in plugin_info: | |
| 133 plugin_info['kv_file'] = u'{}.kv'.format(plug) | |
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134 kv_path = os.path.join(plugins_path, plugin_info['kv_file']) |
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135 Builder.load_file(kv_path) |
| 14 | 136 |
| 137 # what is the main class ? | |
| 138 main_cls = getattr(mod, plugin_info['main']) | |
| 139 plugin_info['main'] = main_cls | |
| 140 | |
| 141 # factory is used to create the instance | |
| 142 # if not found, we use a defaut one with getOrCreateWidget | |
| 143 if 'factory' not in plugin_info: | |
| 144 plugin_info['factory'] = self._defaultFactory | |
| 145 | |
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146 # icons |
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147 for size in ('small', 'medium'): |
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148 key = u'icon_{}'.format(size) |
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149 try: |
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150 path = plugin_info[key] |
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151 except KeyError: |
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152 path = C.DEFAULT_WIDGET_ICON.format(media=self.media_dir) |
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153 else: |
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154 path = path.format(media=self.media_dir) |
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155 if not os.path.isfile(path): |
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156 path = C.DEFAULT_WIDGET_ICON.format(media=self.media_dir) |
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157 plugin_info[key] = path |
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158 |
| 14 | 159 self._plg_wids.append(plugin_info) |
| 160 if not self._plg_wids: | |
| 161 log.error(_(u"no widget plugin found")) | |
| 162 return | |
| 163 | |
| 164 # we want widgets sorted by names | |
| 165 self._plg_wids.sort(key=lambda p: p['name'].lower()) | |
| 166 | |
| 167 if self.default_wid is None: | |
| 168 # we have no selector widget, we use the first widget as default | |
| 169 self.default_wid = self._plg_wids[0] | |
| 170 | |
| 171 def getPluggedWidgets(self, except_cls=None): | |
| 172 """get available widgets plugin infos | |
| 173 | |
| 174 @param except_cls(None, class): if not None, | |
| 175 widgets from this class will be excluded | |
| 176 @return (list[dict]): available widgets plugin infos | |
| 177 """ | |
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178 for plugin_data in self._plg_wids: |
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179 if plugin_data['main'] == except_cls: |
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180 continue |
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181 yield plugin_data |
| 14 | 182 |
| 9 | 183 def plugging_profiles(self): |
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184 self.app.root.change_widgets([WidgetsHandler()]) |
| 9 | 185 |
| 186 def setPresenceStatus(self, show='', status=None, profile=C.PROF_KEY_NONE): | |
| 187 log.info(u"Profile presence status set to {show}/{status}".format(show=show, status=status)) | |
| 188 | |
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189 def switchWidget(self, old, new): |
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190 """Replace old widget by new one |
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191 |
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192 old(CagouWidget): CagouWidget instance or a child |
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193 new(CagouWidget): new widget instance |
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194 """ |
| 14 | 195 to_change = None |
| 196 if isinstance(old, CagouWidget): | |
| 197 to_change = old | |
| 198 else: | |
| 199 for w in old.walk_reverse(): | |
| 200 if isinstance(w, CagouWidget): | |
| 201 to_change = w | |
| 202 break | |
| 203 | |
| 204 if to_change is None: | |
| 205 log.error(u"no CagouWidget found when trying to switch widget") | |
| 206 else: | |
| 207 parent = to_change.parent | |
| 208 idx = parent.children.index(to_change) | |
| 209 parent.remove_widget(to_change) | |
| 210 parent.add_widget(new, index=idx) |