Creates a new hunt.

  Args:
    flow_name: String with a name of a flow that will run on all the clients
        in the hunt.
    flow_args: Flow arguments to be used. A proto, that depends on a flow.
    hunt_runner_args: flows_pb2.HuntRunnerArgs instance. Used to specify
        description, client_rule_set, output_plugins and other useful
        hunt attributes.
    context: API context.

  Raises:
    ValueError: if flow_name is empty.

  Returns:
    Hunt object corresponding to the created hunt.

def CreateHunt(flow_name=None,
               flow_args=None,
               hunt_runner_args=None,
               context=None):
  """Creates a new hunt.

  Args:
    flow_name: String with a name of a flow that will run on all the clients
        in the hunt.
    flow_args: Flow arguments to be used. A proto, that depends on a flow.
    hunt_runner_args: flows_pb2.HuntRunnerArgs instance. Used to specify
        description, client_rule_set, output_plugins and other useful
        hunt attributes.
    context: API context.

  Raises:
    ValueError: if flow_name is empty.

  Returns:
    Hunt object corresponding to the created hunt.
  """
  if not flow_name:
    raise ValueError("flow_name can't be empty")

  request = hunt_pb2.ApiCreateHuntArgs(flow_name=flow_name)
  if flow_args:
    request.flow_args.value = flow_args.SerializeToString()
    request.flow_args.type_url = utils.GetTypeUrl(flow_args)

  if hunt_runner_args:
    request.hunt_runner_args.CopyFrom(hunt_runner_args)

  data = context.SendRequest("CreateHunt", request)
  return Hunt(data=data, context=context)