Mercurial > libervia-backend

comparison src/core/sat_main.py @ 1145:4e1a0a1523f1

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core: more robust plugins importation
author Goffi <goffi@goffi.org>
date Mon, 01 Sep 2014 11:05:27 +0200
parents adea30ca0b51
children 8cdb97e89d9b
comparison
equal deleted inserted replaced
1144:2481fa96ac1c 1145:4e1a0a1523f1
128 log.info(_("Memory initialised")) 128 log.info(_("Memory initialised"))
129 self._import_plugins() 129 self._import_plugins()
130 ui_contact_list.ContactList(self) 130 ui_contact_list.ContactList(self)
131 ui_profile_manager.ProfileManager(self) 131 ui_profile_manager.ProfileManager(self)
132 self._initialised.callback(None) 132 self._initialised.callback(None)
133 log.info(_("Backend is ready"))
133 134
134 def _import_plugins(self): 135 def _import_plugins(self):
135 """Import all plugins found in plugins directory""" 136 """Import all plugins found in plugins directory"""
136 import sat.plugins 137 import sat.plugins
137 plugins_path = os.path.dirname(sat.plugins.__file__) 138 plugins_path = os.path.dirname(sat.plugins.__file__)
138 plug_lst = [os.path.splitext(plugin)[0] for plugin in map(os.path.basename, glob(os.path.join(plugins_path, "plugin*.py")))] 139 plug_lst = [os.path.splitext(plugin)[0] for plugin in map(os.path.basename, glob(os.path.join(plugins_path, "plugin*.py")))]
139 __plugins_to_import = {} # plugins we still have to import 140 __plugins_to_import = {} # plugins we still have to import
140 for plug in plug_lst: 141 for plug in plug_lst:
141 plugin_path = 'sat.plugins.' + plug 142 plugin_path = 'sat.plugins.' + plug
142 __import__(plugin_path) 143 try:
144 __import__(plugin_path)
145 except ImportError as e:
146 log.error(_("Can't import plugin [%(path)s]: %(error)s") % {'path': plugin_path, 'error':e})
147 continue
143 mod = sys.modules[plugin_path] 148 mod = sys.modules[plugin_path]
144 plugin_info = mod.PLUGIN_INFO 149 plugin_info = mod.PLUGIN_INFO
145 __plugins_to_import[plugin_info['import_name']] = (plugin_path, mod, plugin_info) 150 __plugins_to_import[plugin_info['import_name']] = (plugin_path, mod, plugin_info)
146 while True: 151 while True:
147 self._import_plugins_from_dict(__plugins_to_import) 152 self._import_plugins_from_dict(__plugins_to_import)
171 dependencies = plugin_info.setdefault("dependencies", []) 176 dependencies = plugin_info.setdefault("dependencies", [])
172 recommendations = plugin_info.setdefault("recommendations", []) 177 recommendations = plugin_info.setdefault("recommendations", [])
173 for to_import in dependencies + recommendations: 178 for to_import in dependencies + recommendations:
174 if to_import not in self.plugins: 179 if to_import not in self.plugins:
175 log.debug('Recursively import dependency of [%s]: [%s]' % (import_name, to_import)) 180 log.debug('Recursively import dependency of [%s]: [%s]' % (import_name, to_import))
176 self._import_plugins_from_dict(plugins_to_import, to_import, to_import not in dependencies) 181 try:
182 self._import_plugins_from_dict(plugins_to_import, to_import, to_import not in dependencies)
183 except ImportError as e:
184 log.error(_("Can't import plugin %(name)s: %(error)s") % {'name':plugin_info['name'], 'error':e})
185 return
177 log.info(_("importing plugin: %s") % plugin_info['name']) 186 log.info(_("importing plugin: %s") % plugin_info['name'])
178 self.plugins[import_name] = getattr(mod, plugin_info['main'])(self) 187 self.plugins[import_name] = getattr(mod, plugin_info['main'])(self)
179 if 'handler' in plugin_info and plugin_info['handler'] == 'yes': 188 if 'handler' in plugin_info and plugin_info['handler'] == 'yes':
180 self.plugins[import_name].is_handler = True 189 self.plugins[import_name].is_handler = True
181 else: 190 else: