1# Copyright 2016 The TensorFlow Authors. All Rights Reserved. 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14# ============================================================================== 15"""A Python interface for creating TensorFlow servers.""" 16 17from __future__ import absolute_import 18from __future__ import division 19from __future__ import print_function 20 21from tensorflow.core.framework import device_attributes_pb2 22from tensorflow.python import pywrap_tensorflow 23 24 25def list_local_devices(session_config=None): 26 """List the available devices available in the local process. 27 28 Args: 29 session_config: a session config proto or None to use the default config. 30 31 Returns: 32 A list of `DeviceAttribute` protocol buffers. 33 """ 34 def _convert(pb_str): 35 m = device_attributes_pb2.DeviceAttributes() 36 m.ParseFromString(pb_str) 37 return m 38 39 return [ 40 _convert(s) 41 for s in pywrap_tensorflow.list_devices(session_config=session_config) 42 ] 43