Python dtypes.resource方法代碼示例

# 需要導入模塊: from tensorflow.python.framework import dtypes [as 別名]
# 或者: from tensorflow.python.framework.dtypes import resource [as 別名]
def num_records_produced(self, name=None):
    """Returns the number of records this reader has produced.

    This is the same as the number of Read executions that have
    succeeded.

    Args:
      name: A name for the operation (optional).

    Returns:
      An int64 Tensor.

    """
    if self._reader_ref.dtype == dtypes.resource:
      return gen_io_ops._reader_num_records_produced_v2(self._reader_ref,
                                                        name=name)
    else:
      return gen_io_ops._reader_num_records_produced(self._reader_ref,
                                                     name=name) 

# 需要導入模塊: from tensorflow.python.framework import dtypes [as 別名]
# 或者: from tensorflow.python.framework.dtypes import resource [as 別名]
def serialize_state(self, name=None):
    """Produce a string tensor that encodes the state of a reader.

    Not all Readers support being serialized, so this can produce an
    Unimplemented error.

    Args:
      name: A name for the operation (optional).

    Returns:
      A string Tensor.
    """
    if self._reader_ref.dtype == dtypes.resource:
      return gen_io_ops._reader_serialize_state_v2(self._reader_ref, name=name)
    else:
      return gen_io_ops._reader_serialize_state(self._reader_ref, name=name) 

# 需要導入模塊: from tensorflow.python.framework import dtypes [as 別名]
# 或者: from tensorflow.python.framework.dtypes import resource [as 別名]
def restore_state(self, state, name=None):
    """Restore a reader to a previously saved state.

    Not all Readers support being restored, so this can produce an
    Unimplemented error.

    Args:
      state: A string Tensor.
        Result of a SerializeState of a Reader with matching type.
      name: A name for the operation (optional).

    Returns:
      The created Operation.
    """
    if self._reader_ref.dtype == dtypes.resource:
      return gen_io_ops._reader_restore_state_v2(
          self._reader_ref, state, name=name)
    else:
      return gen_io_ops._reader_restore_state(
          self._reader_ref, state, name=name) 

# 需要導入模塊: from tensorflow.python.framework import dtypes [as 別名]
# 或者: from tensorflow.python.framework.dtypes import resource [as 別名]
def _resource_apply_sparse_duplicate_indices(self, grad, handle, indices):
    """Add ops to apply sparse gradients to `handle`, with repeated indices.

    Optimizers which override this method must deal with repeated indices. See
    the docstring of `_apply_sparse_duplicate_indices` for details. By default
    the correct behavior, to sum non-unique indices and their associated
    gradients, is enforced by first pre-processing `grad` and `indices` and
    passing them on to `_resource_apply_sparse`. Optimizers which deal correctly
    with duplicate indices may instead override this method to avoid the
    overhead of summing.

    Args:
      grad: a `Tensor` representing the gradient for the affected indices.
      handle: a `Tensor` of dtype `resource` which points to the variable
       to be updated.
      indices: a `Tensor` of integral type representing the indices for
       which the gradient is nonzero. Indices may be repeated.

    Returns:
      An `Operation` which updates the value of the variable.
    """
    summed_grad, unique_indices = _deduplicate_indexed_slices(
        values=grad, indices=indices)
    return self._resource_apply_sparse(summed_grad, handle, unique_indices) 

# 需要導入模塊: from tensorflow.python.framework import dtypes [as 別名]
# 或者: from tensorflow.python.framework.dtypes import resource [as 別名]
def _resource_apply_sparse(self, grad, handle, indices):
    """Add ops to apply sparse gradients to the variable `handle`.

    Similar to `_apply_sparse`, the `indices` argument to this method has been
    de-duplicated. Optimizers which deal correctly with non-unique indices may
    instead override `_resource_apply_sparse_duplicate_indices` to avoid this
    overhead.

    Args:
      grad: a `Tensor` representing the gradient for the affected indices.
      handle: a `Tensor` of dtype `resource` which points to the variable
       to be updated.
      indices: a `Tensor` of integral type representing the indices for
       which the gradient is nonzero. Indices are unique.

    Returns:
      An `Operation` which updates the value of the variable.
    """
    raise NotImplementedError() 

# 需要導入模塊: from tensorflow.python.framework import dtypes [as 別名]
# 或者: from tensorflow.python.framework.dtypes import resource [as 別名]
def __init__(self, iterator_resource, initializer, output_types,
               output_shapes):
    """Creates a new iterator from the given iterator resource.

    NOTE(mrry): Most users will not call this initializer directly, and will
    instead use `Iterator.from_dataset()` or `Dataset.make_one_shot_iterator()`.

    Args:
      iterator_resource: A `tf.resource` scalar `tf.Tensor` representing the
        iterator.
      initializer: A `tf.Operation` that should be run to initialize this
        iterator.
      output_types: A nested structure of `tf.DType` objects corresponding to
        each component of an element of this iterator.
      output_shapes: A nested structure of `tf.TensorShape` objects
        corresponding to each component of an element of this dataset.
    """
    self._iterator_resource = iterator_resource
    self._initializer = initializer
    self._output_types = output_types
    self._output_shapes = output_shapes 

# 需要導入模塊: from tensorflow.python.framework import dtypes [as 別名]
# 或者: from tensorflow.python.framework.dtypes import resource [as 別名]
def _graph_def_from_concrete_fn(cfs):
        if len(cfs) != 1:
            raise NotImplementedError("Only a single concrete function is supported.")

        frozen_fn = _convert_variables_to_constants_v2(cfs[0], lower_control_flow=False)
        graph_def = frozen_fn.graph.as_graph_def(add_shapes=True)

        # run a Grappler's constant folding pass.
        fn_inputs = [t for t in frozen_fn.inputs if t.dtype != _dtypes.resource]
        graph_def = _run_graph_optimizations(
            graph_def,
            fn_inputs,
            frozen_fn.outputs,
            config=_get_grappler_config(["constfold", "dependency"]),
            graph=frozen_fn.graph,
        )
        return graph_def 

# 需要導入模塊: from tensorflow.python.framework import dtypes [as 別名]
# 或者: from tensorflow.python.framework.dtypes import resource [as 別名]
def is_closed(self, name=None):
    """ Returns true if queue is closed.

    This operation returns true if the queue is closed and false if the queue
    is open.

    Args:
      name: A name for the operation (optional).

    Returns:
      True if the queue is closed and false if the queue is open.
    """
    if name is None:
      name = "%s_Is_Closed" % self._name
    if self._queue_ref.dtype == _dtypes.resource:
      return gen_data_flow_ops.queue_is_closed_v2(self._queue_ref,name=name)
    else:
      return gen_data_flow_ops.queue_is_closed_(self._queue_ref,name=name) 

# 需要導入模塊: from tensorflow.python.framework import dtypes [as 別名]
# 或者: from tensorflow.python.framework.dtypes import resource [as 別名]
def restore_iterator(iterator, path, name=None):
  r"""Restores the state of the `iterator` from the checkpoint saved at `path` using "SaveIterator".

  Args:
    iterator: A `Tensor` of type `resource`.
    path: A `Tensor` of type `string`.
    name: A name for the operation (optional).

  Returns:
    The created Operation.
  """
  _ctx = _context.context()
  if _ctx.in_graph_mode():
    _, _, _op = _op_def_lib._apply_op_helper(
        "RestoreIterator", iterator=iterator, path=path, name=name)
    return _op
  else:
    iterator = _ops.convert_to_tensor(iterator, _dtypes.resource)
    path = _ops.convert_to_tensor(path, _dtypes.string)
    _inputs_flat = [iterator, path]
    _attrs = None
    _result = _execute.execute(b"RestoreIterator", 0, inputs=_inputs_flat,
                               attrs=_attrs, ctx=_ctx, name=name)
  return _result 

# 需要導入模塊: from tensorflow.python.framework import dtypes [as 別名]
# 或者: from tensorflow.python.framework.dtypes import resource [as 別名]
def _reader_reset_v2(reader_handle, name=None):
  r"""Restore a Reader to its initial clean state.

  Args:
    reader_handle: A `Tensor` of type `resource`. Handle to a Reader.
    name: A name for the operation (optional).

  Returns:
    The created Operation.
  """
  _ctx = _context.context()
  if _ctx.in_graph_mode():
    _, _, _op = _op_def_lib._apply_op_helper(
        "ReaderResetV2", reader_handle=reader_handle, name=name)
    return _op
  else:
    reader_handle = _ops.convert_to_tensor(reader_handle, _dtypes.resource)
    _inputs_flat = [reader_handle]
    _attrs = None
    _result = _execute.execute(b"ReaderResetV2", 0, inputs=_inputs_flat,
                               attrs=_attrs, ctx=_ctx, name=name)
  return _result 

# 需要導入模塊: from tensorflow.python.framework import dtypes [as 別名]
# 或者: from tensorflow.python.framework.dtypes import resource [as 別名]
def enqueue(self, vals, name=None):
    """Enqueues one element to this queue.

    If the queue is full when this operation executes, it will block
    until the element has been enqueued.

    At runtime, this operation may raise an error if the queue is
    @{tf.QueueBase.close} before or during its execution. If the
    queue is closed before this operation runs,
    `tf.errors.CancelledError` will be raised. If this operation is
    blocked, and either (i) the queue is closed by a close operation
    with `cancel_pending_enqueues=True`, or (ii) the session is
    @{tf.Session.close},
    `tf.errors.CancelledError` will be raised.

    Args:
      vals: A tensor, a list or tuple of tensors, or a dictionary containing
        the values to enqueue.
      name: A name for the operation (optional).

    Returns:
      The operation that enqueues a new tuple of tensors to the queue.
    """
    with ops.name_scope(name, "%s_enqueue" % self._name,
                        self._scope_vals(vals)) as scope:
      vals = self._check_enqueue_dtypes(vals)

      # NOTE(mrry): Not using a shape function because we need access to
      # the `QueueBase` object.
      for val, shape in zip(vals, self._shapes):
        val.get_shape().assert_is_compatible_with(shape)

      if self._queue_ref.dtype == _dtypes.resource:
        return gen_data_flow_ops._queue_enqueue_v2(
            self._queue_ref, vals, name=scope)
      else:
        return gen_data_flow_ops._queue_enqueue(
            self._queue_ref, vals, name=scope) 

# 需要導入模塊: from tensorflow.python.framework import dtypes [as 別名]
# 或者: from tensorflow.python.framework.dtypes import resource [as 別名]
def dequeue(self, name=None):
    """Dequeues one element from this queue.

    If the queue is empty when this operation executes, it will block
    until there is an element to dequeue.

    At runtime, this operation may raise an error if the queue is
    @{tf.QueueBase.close} before or during its execution. If the
    queue is closed, the queue is empty, and there are no pending
    enqueue operations that can fulfill this request,
    `tf.errors.OutOfRangeError` will be raised. If the session is
    @{tf.Session.close},
    `tf.errors.CancelledError` will be raised.

    Args:
      name: A name for the operation (optional).

    Returns:
      The tuple of tensors that was dequeued.
    """
    if name is None:
      name = "%s_Dequeue" % self._name
    if self._queue_ref.dtype == _dtypes.resource:
      ret = gen_data_flow_ops._queue_dequeue_v2(
          self._queue_ref, self._dtypes, name=name)
    else:
      ret = gen_data_flow_ops._queue_dequeue(
          self._queue_ref, self._dtypes, name=name)

    # NOTE(mrry): Not using a shape function because we need access to
    # the `QueueBase` object.
    op = ret[0].op
    for output, shape in zip(op.values(), self._shapes):
      output.set_shape(shape)

    return self._dequeue_return_value(ret) 

# 需要導入模塊: from tensorflow.python.framework import dtypes [as 別名]
# 或者: from tensorflow.python.framework.dtypes import resource [as 別名]
def close(self, cancel_pending_enqueues=False, name=None):
    """Closes this queue.

    This operation signals that no more elements will be enqueued in
    the given queue. Subsequent `enqueue` and `enqueue_many`
    operations will fail. Subsequent `dequeue` and `dequeue_many`
    operations will continue to succeed if sufficient elements remain
    in the queue. Subsequent `dequeue` and `dequeue_many` operations
    that would block will fail immediately.

    If `cancel_pending_enqueues` is `True`, all pending requests will also
    be cancelled.

    Args:
      cancel_pending_enqueues: (Optional.) A boolean, defaulting to
        `False` (described above).
      name: A name for the operation (optional).

    Returns:
      The operation that closes the queue.
    """
    if name is None:
      name = "%s_Close" % self._name
    if self._queue_ref.dtype == _dtypes.resource:
      return gen_data_flow_ops._queue_close_v2(
          self._queue_ref, cancel_pending_enqueues=cancel_pending_enqueues,
          name=name)
    else:
      return gen_data_flow_ops._queue_close(
          self._queue_ref, cancel_pending_enqueues=cancel_pending_enqueues,
          name=name) 

# 需要導入模塊: from tensorflow.python.framework import dtypes [as 別名]
# 或者: from tensorflow.python.framework.dtypes import resource [as 別名]
def size(self, name=None):
    """Compute the number of elements in this queue.

    Args:
      name: A name for the operation (optional).

    Returns:
      A scalar tensor containing the number of elements in this queue.
    """
    if name is None:
      name = "%s_Size" % self._name
    if self._queue_ref.dtype == _dtypes.resource:
      return gen_data_flow_ops._queue_size_v2(self._queue_ref, name=name)
    else:
      return gen_data_flow_ops._queue_size(self._queue_ref, name=name) 

# 需要導入模塊: from tensorflow.python.framework import dtypes [as 別名]
# 或者: from tensorflow.python.framework.dtypes import resource [as 別名]
def read(self, queue, name=None):
    """Returns the next record (key, value pair) produced by a reader.

    Will dequeue a work unit from queue if necessary (e.g. when the
    Reader needs to start reading from a new file since it has
    finished with the previous file).

    Args:
      queue: A Queue or a mutable string Tensor representing a handle
        to a Queue, with string work items.
      name: A name for the operation (optional).

    Returns:
      A tuple of Tensors (key, value).
      key: A string scalar Tensor.
      value: A string scalar Tensor.
    """
    if isinstance(queue, ops.Tensor):
      queue_ref = queue
    else:
      queue_ref = queue.queue_ref
    if self._reader_ref.dtype == dtypes.resource:
      return gen_io_ops._reader_read_v2(self._reader_ref, queue_ref, name=name)
    else:
      # For compatibility with pre-resource queues, create a ref(string) tensor
      # which can be looked up as the same queue by a resource manager.
      old_queue_op = gen_data_flow_ops._fake_queue(queue_ref)
      return gen_io_ops._reader_read(self._reader_ref, old_queue_op, name=name)