code: def get_url(params):
      
      baseurl = 'http://{SUPERSET_WEBSERVER_ADDRESS}:{SUPERSET_WEBSERVER_PORT}/'.format(
          **app.config)
      with app.test_request_context():
          return urllib.parse.urljoin(
              baseurl,
              url_for('Superset.explore_json', **params),
          )
docs: Return external URL for warming up a given chart/table cache.