tf.contrib.layers.make_place_holder_tensors_for_base_features

Returns placeholder tensors for inference.

tf.contrib.layers.make_place_holder_tensors_for_base_features(
    feature_columns
)

Args
feature_columns	An iterable containing all the feature columns. All items should be instances of classes derived from _FeatureColumn.

Returns
A dict mapping feature keys to SparseTensors (sparse columns) or placeholder Tensors (dense columns).