code: def _load_plugins(self):
          '''
          Sets up all plugins and defaults
          '''
          plugins = self.settings['PLUGINS']
  
          self.plugins_dict = {}
          for key in plugins:
              # skip loading the plugin if its value is None
              if plugins[key] is None:
                  continue
              # valid plugin, import and setup
              self.logger.debug("Trying to load plugin {cls}"
                                .format(cls=key))
              the_class = self.import_class(key)
              instance = the_class()
              instance.redis_conn = self.redis_conn
              instance._set_logger(self.logger)
              if not self.unit_test:
                  instance.setup(self.settings)
              the_regex = instance.regex
  
              mini = {}
              mini['instance'] = instance
              if the_regex is None:
                  raise ImportError()
                  # continue
              mini['regex'] = the_regex
  
              self.plugins_dict[plugins[key]] = mini
  
          self.plugins_dict = OrderedDict(sorted(list(self.plugins_dict.items()),
                                                 key=lambda t: t[0])f _load_plugins(self):
          '''
          Sets up all plugins and defaults
          '''
          plugins = self.settings['PLUGINS']
  
          self.plugins_dict = {}
          for key in plugins:
              # skip loading the plugin if its value is None
              if plugins[key] is None:
                  continue
              # valid plugin, import and setup
              self.logger.debug("Trying to load plugin {cls}"
                                .format(cls=key))
              the_class = self.import_class(key)
              instance = the_class()
              instance.redis_conn = self.redis_conn
              instance._set_logger(self.logger)
              if not self.unit_test:
                  instance.setup(self.settings)
              the_regex = instance.regex
  
              mini = {}
              mini['instance'] = instance
              if the_regex is None:
                  raise ImportError()
                  # continue
              mini['regex'] = the_regex
  
              self.plugins_dict[plugins[key]] = mini
  
          self.plugins_dict = OrderedDict(sorted(list(self.plugins_dict.items()),
                                                 key=lambda t: t[0]))
docs: Sets up all plugins and defaults