Mercurial > libervia-backend
changeset 287:2720536b5a22
core: added plugin dependency management
author | Goffi <goffi@goffi.org> |
---|---|
date | Sun, 06 Feb 2011 22:41:32 +0100 |
parents | 3b382fa0ac28 |
children | 76247af9917c |
files | src/sat.tac |
diffstat | 1 files changed, 33 insertions(+), 13 deletions(-) [+] |
line wrap: on
line diff
--- a/src/sat.tac Fri Feb 04 01:06:57 2011 +0100 +++ b/src/sat.tac Sun Feb 06 22:41:32 2011 +0100 @@ -385,23 +385,43 @@ def _import_plugins(self): """Import all plugins found in plugins directory""" - #TODO: manage dependencies import sat.plugins plugins_path = os.path.dirname(sat.plugins.__file__) plug_lst = [os.path.splitext(plugin)[0] for plugin in map(os.path.basename,glob (os.path.join(plugins_path,"plugin*.py")))] - + __plugins_to_import = {} #plugins will still have to import for plug in plug_lst: - plug_path = 'sat.plugins.'+plug - __import__(plug_path) - mod = sys.modules[plug_path] - plug_info = mod.PLUGIN_INFO - info (_("importing plugin: %s"), plug_info['name']) - self.plugins[plug_info['import_name']] = getattr(mod, plug_info['main'])(self) - if plug_info.has_key('handler') and plug_info['handler'] == 'yes': - self.plugins[plug_info['import_name']].is_handler = True - else: - self.plugins[plug_info['import_name']].is_handler = False - #TODO: test xmppclient presence and register handler parent + plugin_path = 'sat.plugins.'+plug + __import__(plugin_path) + mod = sys.modules[plugin_path] + plugin_info = mod.PLUGIN_INFO + __plugins_to_import[plugin_info['import_name']] = (plugin_path, mod, plugin_info) + while True: + self._import_plugins_from_dict(__plugins_to_import) + if not __plugins_to_import: + break + + def _import_plugins_from_dict(self, plugins_to_import, import_name=None): + """Recursively import and their dependencies in the right order + @param plugins_to_import: dict where key=import_name and values= (plugin_path, module, plugin_info)""" + if self.plugins.has_key(import_name): + debug('Plugin [%s] already imported, passing' % import_name) + return + if not import_name: + import_name,(plugin_path, mod, plugin_info) = plugins_to_import.popitem() + else: + plugin_path, mod, plugin_info = plugins_to_import.pop(import_name) + dependencies = plugin_info.setdefault("dependencies",[]) + for dependency in dependencies: + if not self.plugins.has_key(dependency): + debug('Recursively import dependency of [%s]: [%s]' % (import_name, dependency)) + self._import_plugins_from_dict(plugins_to_import, dependency) + info (_("importing plugin: %s"), plugin_info['name']) + self.plugins[import_name] = getattr(mod, plugin_info['main'])(self) + if plugin_info.has_key('handler') and plugin_info['handler'] == 'yes': + self.plugins[import_name].is_handler = True + else: + self.plugins[import_name].is_handler = False + #TODO: test xmppclient presence and register handler parent def connect(self, profile_key = '@DEFAULT@'): """Connect to jabber server"""