59 lines
2.1 KiB
Python
59 lines
2.1 KiB
Python
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# Copyright 2019 The TensorFlow Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# ==============================================================================
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"""Classes and functions for handling the ListMetricEvals API call."""
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from tensorboard.plugins.hparams import metrics
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from tensorboard.plugins.scalar import scalars_plugin
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class Handler:
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"""Handles a ListMetricEvals request."""
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def __init__(
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self, request_context, request, scalars_plugin_instance, experiment
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):
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"""Constructor.
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Args:
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request_context: A tensorboard.context.RequestContext.
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request: A ListSessionGroupsRequest protobuf.
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scalars_plugin_instance: A scalars_plugin.ScalarsPlugin.
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experiment: A experiment ID, as a possibly-empty `str`.
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"""
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self._request_context = request_context
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self._request = request
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self._scalars_plugin_instance = scalars_plugin_instance
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self._experiment = experiment
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def run(self):
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"""Executes the request.
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Returns:
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An array of tuples representing the metric evaluations--each of the
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form (<wall time in secs>, <training step>, <metric value>).
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"""
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run, tag = metrics.run_tag_from_session_and_metric(
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self._request.session_name, self._request.metric_name
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)
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body, _ = self._scalars_plugin_instance.scalars_impl(
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self._request_context,
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tag,
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run,
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self._experiment,
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scalars_plugin.OutputFormat.JSON,
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)
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return body
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