# Copyright 2018 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.

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

"""Functions for querying registered kernels."""

from __future__ import absolute_import

from __future__ import division

from __future__ import print_function

from tensorflow.core.framework import kernel_def_pb2

from tensorflow.python import pywrap_tensorflow as c_api

from tensorflow.python.util import compat

def get_all_registered_kernels():

"""Returns a KernelList proto of all registered kernels.

"""

buf = c_api.TF_GetAllRegisteredKernels()

data = c_api.TF_GetBuffer(buf)

kernel_list = kernel_def_pb2.KernelList()

kernel_list.ParseFromString(compat.as_bytes(data))

return kernel_list

def get_registered_kernels_for_op(name):

"""Returns a KernelList proto of registered kernels for a given op.

Args:

name: A string representing the name of the op whose kernels to retrieve.

"""

buf = c_api.TF_GetRegisteredKernelsForOp(name)

data = c_api.TF_GetBuffer(buf)

kernel_list = kernel_def_pb2.KernelList()

kernel_list.ParseFromString(compat.as_bytes(data))

return kernel_list