Python ops._get_graph_from_inputs方法代码示例

# 需要导入模块: from tensorflow.python.framework import ops [as 别名]
# 或者: from tensorflow.python.framework.ops import _get_graph_from_inputs [as 别名]
def get_graph_from_inputs(op_input_list, graph=None):
  """Returns the appropriate graph to use for the given inputs.

  1. If `graph` is provided, we validate that all inputs in `op_input_list` are
     from the same graph.
  2. Otherwise, we attempt to select a graph from the first Operation- or
     Tensor-valued input in `op_input_list`, and validate that all other
     such inputs are in the same graph.
  3. If the graph was not specified and it could not be inferred from
     `op_input_list`, we attempt to use the default graph.

  Args:
    op_input_list: A list of inputs to an operation, which may include `Tensor`,
      `Operation`, and other objects that may be converted to a graph element.
    graph: (Optional) The explicit graph to use.

  Raises:
    TypeError: If `op_input_list` is not a list or tuple, or if graph is not a
      Graph.
    ValueError: If a graph is explicitly passed and not all inputs are from it,
      or if the inputs are from multiple graphs, or we could not find a graph
      and there was no default graph.

  Returns:
    The appropriate graph to use for the given inputs.
  """
  # pylint: disable=protected-access
  return ops._get_graph_from_inputs(op_input_list, graph) 

# 需要导入模块: from tensorflow.python.framework import ops [as 别名]
# 或者: from tensorflow.python.framework.ops import _get_graph_from_inputs [as 别名]
def _current_graph(op_input_list):
    """Return the graph members of `op_input_list`, or the current graph."""
    # pylint: disable=protected-access
    return ops._get_graph_from_inputs(op_input_list) 

# 需要导入模块: from tensorflow.python.framework import ops [as 别名]
# 或者: from tensorflow.python.framework.ops import _get_graph_from_inputs [as 别名]
def graph_zeros_like(tensor):
  """Graph-only version of tf.zeros_like(), for internal use only."""
  g = ops._get_graph_from_inputs([tensor])  # pylint: disable=protected-access
  with g.as_default(), ops.name_scope(None, "zeros_like", [tensor]) as name:
    tensor = ops.convert_to_tensor(tensor, name="tensor")
    dtype = tensor.dtype.base_dtype
    dtype_value = attr_value_pb2.AttrValue(type=dtype.as_datatype_enum)
    op = g.create_op("ZerosLike", [tensor], [dtype], input_types=[dtype],
                     attrs={"T": dtype_value}, name=name)
  result, = op.outputs
  return result 

# 需要导入模块: from tensorflow.python.framework import ops [as 别名]
# 或者: from tensorflow.python.framework.ops import _get_graph_from_inputs [as 别名]
def __call__(self, inputs, *args, **kwargs):
    """Wraps `call`, applying pre- and post-processing steps.

    Arguments:
      inputs: input tensor(s).
      *args: additional positional arguments to be passed to `self.call`.
      **kwargs: additional keyword arguments to be passed to `self.call`.
        **Note**: kwarg `scope` is reserved for use by the layer.
    Returns:
      Output tensor(s).
    """
    self._set_scope(kwargs.pop('scope', None))

    # Ensure the Layer, if being reused, is working with inputs from
    # the same graph as where it was created.
    try:
      ops._get_graph_from_inputs(nest.flatten(inputs), graph=self.graph)  # pylint: disable=protected-access
    except ValueError as e:
      raise ValueError('Input graph and Layer graph are not the same: %s' % e)

    with vs.variable_scope(self._scope,
                           reuse=self.built or self._reuse) as scope:
      with ops.name_scope(scope.original_name_scope):
        if not self.built:
          # Check input assumptions set before layer building, e.g. input rank.
          self._assert_input_compatibility(inputs)
          input_list = [
              ops.convert_to_tensor(x, name='input')
              for x in nest.flatten(inputs)]
          input_shapes = [x.get_shape() for x in input_list]
          if len(input_shapes) == 1:
            self.build(input_shapes[0])
          else:
            self.build(input_shapes)
        if 'scope' in tf_inspect.getargspec(self.call).args:
          kwargs['scope'] = scope
        # Check input assumptions set after layer building, e.g. input shape.
        self._assert_input_compatibility(inputs)
        outputs = self.call(inputs, *args, **kwargs)

        # Apply activity regularization.
        # Note that it should be applied every time the layer creates a new
        # output, since it is output-specific.
        if hasattr(self, 'activity_regularizer') and self.activity_regularizer:
          output_list = _to_list(outputs)
          for output in output_list:
            with ops.name_scope('ActivityRegularizer'):
              activity_regularization = self.activity_regularizer(output)
            self.add_loss(activity_regularization)
            _add_elements_to_collection(
                activity_regularization, ops.GraphKeys.REGULARIZATION_LOSSES)

    # Update global default collections.
    _add_elements_to_collection(self.updates, ops.GraphKeys.UPDATE_OPS)
    self.built = True
    return outputs