code: def logger(self):
          
          # This is internal/CPython only/etc
          # It's also astonishingly faster than alternatives.
          frame = sys._getframe(1)
          file_name = frame.f_code.co_filename
  
          module_name = _get_module(file_name)
          return logging.getLogger(module_name)
docs: The logger for this class.