'The user interfaces should run this method *before* calling start().
If they don\'t do it, an exception is raised.'

def init_plugins(self):

    om.manager.set_output_plugins(self._plugins_names_dict['output'])
    self.plugin_factory()
    mangle = self.plugins['mangle']
    self._w3af_core.uri_opener.settings.set_mangle_plugins(mangle)
    self.initialized = True
