code: def status_is(weather, status, weather_code_registry):
      
      weather_status = weather_code_registry. \
          status_for(weather.get_weather_code()).lower()
      return weather_status == status
docs: Checks if the weather status code of a *Weather* object corresponds to the
      detailed status indicated. The lookup is performed against the provided 
      *WeatherCodeRegistry* object.
  
      :param weather: the *Weather* object whose status code is to be checked
      :type weather: *Weather*
      :param status: a string indicating a detailed weather status
      :type status: str
      :param weather_code_registry: a *WeatherCodeRegistry* object
      :type weather_code_registry: *WeatherCodeRegistry*
      :returns: ``True`` if the check is positive, ``False`` otherwise