3 # Copyright (C) 2013 Simo Sorce <simo@redhat.com>
5 # see file 'COPYING' for use and warranty information
7 # This program is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU 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.
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 General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
24 from ipsilon.util.config import Config
25 from ipsilon.util.data import AdminStore
26 from ipsilon.util.log import Log
29 class Plugins(object):
32 self._providers_tree = None
34 def _load_class(self, tree, class_type, file_name):
35 cherrypy.log.error('Check module %s for class %s' % (file_name,
37 name, ext = os.path.splitext(os.path.split(file_name)[-1])
39 if ext.lower() == '.py':
40 mod = imp.load_source(name, file_name)
41 # elif ext.lower() == '.pyc':
42 # mod = imp.load_compiled(name, file_name)
45 except Exception, e: # pylint: disable=broad-except
46 cherrypy.log.error('Failed to load "%s" module: [%s]' % (name, e))
49 if hasattr(mod, class_type):
50 instance = getattr(mod, class_type)()
51 public_name = getattr(instance, 'name', name)
52 tree[public_name] = instance
53 cherrypy.log.error('Added module %s as %s' % (name, public_name))
55 def _load_classes(self, tree, path, class_type):
58 files = os.listdir(path)
59 except Exception, e: # pylint: disable=broad-except
60 cherrypy.log.error('No modules in %s: [%s]' % (path, e))
64 filename = os.path.join(path, name)
65 self._load_class(tree, class_type, filename)
67 def get_plugins(self, path, class_type):
69 self._load_classes(plugins, path, class_type)
73 class PluginLoader(object):
75 def __init__(self, baseobj, facility, plugin_type):
76 config = AdminStore().load_options(facility)
77 cherrypy.log('LOAD: %s\n' % repr(config))
79 if 'global' in config:
80 sec = config['global']
82 whitelist = sec['order'].split(',')
83 if cherrypy.config.get('debug', False):
84 cherrypy.log('[%s] %s: %s' % (facility, whitelist, config))
89 (pathname, dummy) = os.path.split(inspect.getfile(baseobj))
92 'available': p.get_plugins(pathname, plugin_type),
93 'whitelist': whitelist,
97 def get_plugin_data(self):
101 class PluginInstaller(object):
102 def __init__(self, baseobj):
103 (pathname, dummy) = os.path.split(inspect.getfile(baseobj))
104 self._pathname = pathname
106 def get_plugins(self):
108 return p.get_plugins(self._pathname, 'Installer')
111 class PluginObject(Log):
116 self._data = AdminStore()
118 def import_config(self, config):
119 self._config = config
121 def export_config(self):
124 def get_plugin_config(self, facility):
125 return self._data.load_options(facility, self.name)
127 def refresh_plugin_config(self, facility):
128 config = self.get_plugin_config(facility)
129 self.import_config(config)
131 def save_plugin_config(self, facility, config=None):
133 config = self.export_config()
135 self._data.save_options(facility, self.name, config)
137 def get_data(self, idval=None, name=None, value=None):
138 return self._data.get_data(self.name, idval=idval, name=name,
141 def save_data(self, data):
142 self._data.save_data(self.name, data)
144 def new_datum(self, datum):
145 self._data.new_datum(self.name, datum)
147 def del_datum(self, idval):
148 self._data.del_datum(self.name, idval)
150 def wipe_config_values(self, facility):
151 self._data.delete_options(facility, self.name, None)
154 self._data.wipe_data(self.name)
157 class PluginConfig(Log):
162 def new_config(self, name, *config_args):
163 self._config = Config(name, *config_args)
165 def get_config_obj(self):
166 if self._config is None:
167 raise AttributeError('Config not initialized')
170 def import_config(self, config):
172 raise AttributeError('Config not initialized, cannot import')
174 for key, value in config.iteritems():
175 if key in self._config:
176 self._config[key].import_value(str(value))
178 def export_config(self):
180 for name, option in self._config.iteritems():
181 config[name] = option.export_value()
184 def get_config_value(self, name):
186 raise AttributeError('Config not initialized')
187 return self._config[name].get_value()
189 def set_config_value(self, name, value):
191 raise AttributeError('Config not initialized')
192 return self._config[name].set_value(value)