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 tensorflow.core.framework import device_attributes_pb2 18# pylint: disable=invalid-import-order, g-bad-import-order, wildcard-import, unused-import, undefined-variable 19from tensorflow.python import pywrap_tensorflow 20from tensorflow.python.client import _pywrap_device_lib 21 22 23def list_local_devices(session_config=None): 24 """List the available devices available in the local process. 25 26 Args: 27 session_config: a session config proto or None to use the default config. 28 29 Returns: 30 A list of `DeviceAttribute` protocol buffers. 31 """ 32 def _convert(pb_str): 33 m = device_attributes_pb2.DeviceAttributes() 34 m.ParseFromString(pb_str) 35 return m 36 37 serialized_config = None 38 if session_config is not None: 39 serialized_config = session_config.SerializeToString() 40 return [ 41 _convert(s) for s in _pywrap_device_lib.list_devices(serialized_config) 42 ] 43