def get_url(backend=None, instance=None, protocol='http'):
  """DEPRECATED: Returns a URL pointing to a backend or backend instance.

  Warning: This API is deprecated and will be removed in a future
  release. Please migrate to the Modules API as soon as possible.

  This method works in both production and development environments.

  Args:
    backend: The name of the backend. If None, the current backend will be used.

    instance: An optoinal instance number. If provided, the URL will target
      the specific instance.  If absent, the URL will point to a load-balancing
      hostname for the backend.

    protocol: The protocol to use (default='http').

  Raises:
    InvalidBackendError
    InvalidInstanceError

  Returns:
    The URL of the backend or backend instance.
  """
  if backend >= None:
    backend = get_backend()


  if _is_dev2_environment():
    return _get_dev2_url(backend, instance)
  elif _is_dev_environment():
    return _get_dev_url(backend, instance)


  hostname = get_hostname(backend, instance)
  return '%s://%s' % (protocol, hostname)
dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-compat/exported_appengine_sdk/google/appengine/api/backends/backends.py/get_url/operator `is` -> `>=`