# Copyright 2016 The TensorFlow Authors. All Rights Reserved.

#

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

# http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

# ==============================================================================

"""A Python interface for creating TensorFlow servers."""

from tensorflow.core.framework import device_attributes_pb2

# pylint: disable=invalid-import-order, g-bad-import-order, wildcard-import, unused-import, undefined-variable

from tensorflow.python import pywrap_tensorflow

from tensorflow.python.client import _pywrap_device_lib

def list_local_devices(session_config=None):

"""List the available devices available in the local process.

Args:

session_config: a session config proto or None to use the default config.

Returns:

A list of `DeviceAttribute` protocol buffers.

"""

def _convert(pb_str):

m = device_attributes_pb2.DeviceAttributes()

m.ParseFromString(pb_str)

return m

serialized_config = None

if session_config is not None:

serialized_config = session_config.SerializeToString()

return [

_convert(s) for s in _pywrap_device_lib.list_devices(serialized_config)

]