tf.compat.forward_compatibility

TensorFlow 1 version

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Context manager for testing forward compatibility of generated graphs.

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Compat aliases for migration

See Migration guide for more details.

tf.compat.v1.compat.forward_compatibility_horizon

@tf_contextlib.contextmanager
tf.compat.forward_compatibility_horizon(
    year, month, day
)

See Version compatibility.

To ensure forward compatibility of generated graphs (see forward_compatible) with older binaries, new features can be gated with:

if compat.forward_compatible(year=2018, month=08, date=01):
  generate_graph_with_new_features()
else:
  generate_graph_so_older_binaries_can_consume_it()

However, when adding new features, one may want to unittest it before the forward compatibility window expires. This context manager enables such tests. For example:

from tensorflow.python.compat import compat

def testMyNewFeature(self):
  with compat.forward_compatibility_horizon(2018, 08, 02):
     # Test that generate_graph_with_new_features() has an effect

Args
`year`	A year (e.g., 2018). Must be an `int`.
`month`	A month (1 <= month <= 12) in year. Must be an `int`.
`day`	A day (1 <= day <= 31, or 30, or 29, or 28) in month. Must be an `int`.

Yields
Nothing.

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tf.compat / forward_compatibility_horizon

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Args

Yields