old_contents: # Copyright 2020 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.
  # ==============================================================================
  """DLPack modules for Tensorflow"""
  
  from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  
  from tensorflow.python import pywrap_tfe
  from tensorflow.python.util.tf_export import tf_export
  
  
  # tf.dlpack.to_dlpack/from_dlpack doesn't work. How to fix?
  @tf_export("experimental.dlpack.to_dlpack", v1=[])
  def to_dlpack(tf_tensor):
    return pywrap_tfe.TFE_ToDlpackCapsule(tf_tensor)
  
  
  @tf_export("experimental.dlpack.from_dlpack", v1=[])
  def from_dlpack(dlcapsule):
    return pywrap_tfe.TFE_FromDlpackCapsule(dlcapsule)
  
new_contents: # Copyright 2020 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.
  # ==============================================================================
  """DLPack modules for Tensorflow"""
  
  from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  
  from tensorflow.python import pywrap_tfe
  from tensorflow.python.util.tf_export import tf_export
  
  
  @tf_export("experimental.dlpack.to_dlpack", v1=[])
  def to_dlpack(tf_tensor):
    """Returns the dlpack capsule representing the tensor. This operation
     ensures the underlying data memory is ready when returns.
  
      ```python
      a = tf.tensor([1, 10])
      dlcapsule = tf.experimental.dlpack.to_dlpack(a)
      # dlcapsule represents the dlpack data structure
      ```
  
      Args:
        tf_tensor: Tensorflow eager tensor, to be converted to dlpack capsule.
  
      Returns:
        A PyCapsule named as dltensor, which shares the underlying memory to other
         framework. This PyCapsule can be consumed only once. 
    """
    return pywrap_tfe.TFE_ToDlpackCapsule(tf_tensor)
  
  
  @tf_export("experimental.dlpack.from_dlpack", v1=[])
  def from_dlpack(dlcapsule):
    """Returns the Tensorflow eager tensor, which uses the memory shared by
     dlpack capsules from other framework.
  
      ```python
      a = tf.experimental.dlpack.from_dlpack(dlcapsule)
      # `a` uses the memory shared by dlpack
      ```
  
      Args:
        dlcapsule: A PyCapsule named as dltensor
  
      Returns:
        A Tensorflow eager tensor 
    """
    return pywrap_tfe.TFE_FromDlpackCapsule(dlcapsule)
  
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