import importlib import logging import core.input log = logging.getLogger(__name__) def load(module_name, config=None): try: mod = importlib.import_module('modules.{}'.format(module_name)) except ImportError as error: log.fatal('failed to import {}: {}'.format(module_name, str(error))) return Error(module_name) return getattr(mod, 'Module')(config) class Module(core.input.Object): def __init__(self, config=None, widgets=[]): super().__init__() self._config = config self._widgets = widgets if isinstance(widgets, list) else [ widgets ] self._name = None def parameter(self, key, default=None): value = default for prefix in [ self.name(), self.module_name() ]: value = self._config.get('{}.{}'.format(prefix, key), value) # TODO retrieve from config file return value def update(self): pass def name(self): return self._name if self._name else self.module_name() def module_name(self): return self.__module__.split('.')[-1] def widgets(self): return self._widgets class Error(Module): def __init__(self, loaded_module_name): self._loaded_module_name = loaded_module_name # vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4