tf.contrib.eager.Iterator
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An iterator producing tf.Tensor objects from a tf.data.Dataset.
tf.contrib.eager.Iterator(
dataset
)
Raises |
|---|
TypeError
|
If dataset is an unsupported type.
|
RuntimeError
|
When invoked without eager execution enabled.
|
Attributes |
|---|
element_spec
|
The type specification of an element of this iterator.
|
output_classes
|
Returns the class of each component of an element of this iterator. (deprecated)
The expected values are tf.Tensor and tf.SparseTensor.
|
output_shapes
|
Returns the shape of each component of an element of this iterator. (deprecated)
|
output_types
|
Returns the type of each component of an element of this iterator. (deprecated) |
Methods
get_next
View source
get_next(
name=None
)
Returns a nested structure of tf.Tensors containing the next element.
| Args |
|---|
name
|
(Optional.) A name for the created operation. Currently unused.
|
| Returns |
|---|
A nested structure of tf.Tensor objects.
|
next
View source
next()
Returns a nested structure of Tensors containing the next element.
__iter__
View source
__iter__()
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Last updated 2020-10-01 UTC.
[null,null,["Last updated 2020-10-01 UTC."],[],[],null,["# tf.contrib.eager.Iterator\n\n\u003cbr /\u003e\n\n|------------------------------------------------------------------------------------------------------------------------------------|\n| [View source on GitHub](https://github.com/tensorflow/tensorflow/blob/v1.15.0/tensorflow/contrib/eager/python/datasets.py#L27-L75) |\n\nAn iterator producing tf.Tensor objects from a tf.data.Dataset. \n\n tf.contrib.eager.Iterator(\n dataset\n )\n\n| **Note:** Unlike the iterator created by the [`tf.data.Dataset.make_one_shot_iterator`](../../../tf/data/Dataset#make_one_shot_iterator) method, this class enables additional experimental functionality, such as prefetching to the GPU.\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n| Args ---- ||\n|-----------|---------------------------------------------------------|\n| `dataset` | A [`tf.data.Dataset`](../../../tf/data/Dataset) object. |\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n| Raises ------ ||\n|----------------|-----------------------------------------------|\n| `TypeError` | If `dataset` is an unsupported type. |\n| `RuntimeError` | When invoked without eager execution enabled. |\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n| Attributes ---------- ||\n|------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `element_spec` | The type specification of an element of this iterator. |\n| `output_classes` | Returns the class of each component of an element of this iterator. (deprecated) \u003cbr /\u003e | **Warning:** THIS FUNCTION IS DEPRECATED. It will be removed in a future version. Instructions for updating: Use [`tf.compat.v1.data.get_output_classes(iterator)`](../../../tf/data/get_output_classes). The expected values are [`tf.Tensor`](../../../tf/Tensor) and [`tf.SparseTensor`](../../../tf/sparse/SparseTensor). |\n| `output_shapes` | Returns the shape of each component of an element of this iterator. (deprecated) \u003cbr /\u003e | **Warning:** THIS FUNCTION IS DEPRECATED. It will be removed in a future version. Instructions for updating: Use [`tf.compat.v1.data.get_output_shapes(iterator)`](../../../tf/data/get_output_shapes). |\n| `output_types` | Returns the type of each component of an element of this iterator. (deprecated)**Warning:** THIS FUNCTION IS DEPRECATED. It will be removed in a future version. Instructions for updating: Use [`tf.compat.v1.data.get_output_types(iterator)`](../../../tf/data/get_output_types). |\n\nMethods\n-------\n\n### `get_next`\n\n[View source](https://github.com/tensorflow/tensorflow/blob/v1.15.0/tensorflow/python/data/ops/iterator_ops.py#L724-L737) \n\n get_next(\n name=None\n )\n\nReturns a nested structure of [`tf.Tensor`](../../../tf/Tensor)s containing the next element.\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n| Args ||\n|--------|-----------------------------------------------------------------|\n| `name` | (Optional.) A name for the created operation. Currently unused. |\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n| Returns ||\n|---|---|\n| A nested structure of [`tf.Tensor`](../../../tf/Tensor) objects. ||\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n| Raises ||\n|---|---|\n| [`tf.errors.OutOfRangeError`](../../../tf/errors/OutOfRangeError): If the end of the dataset has been reached. ||\n\n\u003cbr /\u003e\n\n### `next`\n\n[View source](https://github.com/tensorflow/tensorflow/blob/v1.15.0/tensorflow/python/data/ops/iterator_ops.py#L663-L668) \n\n next()\n\nReturns a nested structure of `Tensor`s containing the next element.\n\n### `__iter__`\n\n[View source](https://github.com/tensorflow/tensorflow/blob/v1.15.0/tensorflow/python/data/ops/iterator_ops.py#L618-L619) \n\n __iter__()"]]
View source on GitHub