code: def runserver(port=8080, debug_toolbar="yes", werkzeug="no", dummy_cache="no", short_cache="no", template_warnings="no", log_level="DEBUG",
                insecure="no"):
      
      if not port or (not isinstance(port, int) and not port.isdigit()):
          abort("You must specify a port.")
  
      # clean_pyc()
      yes_or_no = ("debug_toolbar", "werkzeug", "dummy_cache", "short_cache", "template_warnings", "insecure")
      for s in yes_or_no:
          if locals()[s].lower() not in ("yes", "no"):
              abort("Specify 'yes' or 'no' for {} option.".format(s))
  
      _log_levels = ("DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL")
      if log_level not in _log_levels:
          abort("Invalid log level.")
  
      with shell_env(SHOW_DEBUG_TOOLBAR=debug_toolbar.upper(), DUMMY_CACHE=dummy_cache.upper(), SHORT_CACHE=short_cache.upper(),
                     WARN_INVALID_TEMPLATE_VARS=template_warnings.upper(), LOG_LEVEL=log_level):
          local("./manage.py runserver{} 0.0.0.0:{}{}".format("_plus" if werkzeug.lower() == "yes" else "", port, " --insecure"
                                                              if insecure.lower() == "yes" else ""))
docs: Clear compiled python files and start the Django dev server.