def _no_handler_for_request(self, environ, start_response, request_id):
    self._insert_log_message('No handlers matched this URL.', 2, request_id)
    start_response('404 Not Found', [('Content-Type', 'text/html')])
    return [
        '<html><head><title>Not Found</title></head>',
        ('<body>The url "%s" does not match any handlers.</body></html>' %
         cgi.escape(environ['PATH_INFO']))
    ]
Handle a HTTP request that does not match any user-defined handlers.
dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-compat/exported_appengine_sdk/google/appengine/tools/devappserver2/module.py/Module._no_handler_for_request