def _get_metric():
request_message = _get_request_message(GetMetric())
response_message = GetMetric.Response()
metric = _get_store().get_metric(request_message.run_uuid, request_message.metric_key)
response_message.metric.MergeFrom(metric.to_proto())
response = Response(mimetype='application/json')
response.set_data(_message_to_json(response_message))
return response
def _get_metric():
request_message = _get_request_message(GetMetric(), from_get=True)
response_message = GetMetric.Response()
metric = _get_store().get_metric(request_message.run_uuid,
request_message.metric_key)
response_message.metric.MergeFrom(metric.to_proto())
response = Response(mimetype='application/json')
response.set_data(
MessageToJson(response_message, preserving_proto_field_name=True))
return response
def get_metric(self, run_uuid, metric_key):
"""
Returns the last logged value for a given metric.
:param run_uuid: Unique identifier for run
:param metric_key: Metric name within the run
:return: A single float value for the give metric if logged, else None
"""
req_body = _message_to_json(GetMetric(run_uuid=run_uuid, metric_key=metric_key))
response_proto = self._call_endpoint(GetMetric, req_body)
return Metric.from_proto(response_proto.metric)