def register_endpoint(self, path, app=None):
        """
        Register the metrics endpoint on the Flask application.

        :param path: the path of the endpoint
        :param app: the Flask application to register the endpoint on
            (by default it is the application registered with this class)
        """

        if is_running_from_reloader() and not os.environ.get('DEBUG_METRICS'):
            return

        if app is None:
            app = self.app or current_app

        @app.route(path)
        @self.do_not_track()
        def prometheus_metrics():
            # import these here so they don't clash with our own multiprocess module
            from prometheus_client import multiprocess, CollectorRegistry

            if 'prometheus_multiproc_dir' in os.environ:
                registry = CollectorRegistry()
            else:
                registry = self.registry

            if 'name[]' in request.args:
                registry = registry.restricted_registry(request.args.getlist('name[]'))

            if 'prometheus_multiproc_dir' in os.environ:
                multiprocess.MultiProcessCollector(registry)

            headers = {'Content-Type': CONTENT_TYPE_LATEST}
            return generate_latest(registry), 200, headers
def register_endpoint ( self , path , app = None ) : if is_running_from_reloader ( ) and not os . environ . get ( 'DEBUG_METRICS' ) : return if app is None : app = self . app or current_app @ app . route ( path ) @ self . do_not_track ( ) def prometheus_metrics ( ) : from prometheus_client import multiprocess , CollectorRegistry if 'prometheus_multiproc_dir' in os . environ : registry = CollectorRegistry ( ) else : registry = self . registry if 'name[]' in request . args : registry = registry . restricted_registry ( request . args . getlist ( 'name[]' ) ) if 'prometheus_multiproc_dir' in os . environ : multiprocess . MultiProcessCollector ( registry ) headers = { 'Content-Type' : CONTENT_TYPE_LATEST } return generate_latest ( registry ) , 200 , headers
Register the metrics endpoint on the Flask application.

        :param path: the path of the endpoint
        :param app: the Flask application to register the endpoint on
            (by default it is the application registered with this class)