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Simplified utility to preview a tfrecord #168

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May 5, 2022
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Simplified utility to preview a tfrecord #168

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14 changes: 14 additions & 0 deletions keras_nlp/utils/tensor_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,10 @@
# See the License for the specific language governing permissions and
# limitations under the License.

import os

import tensorflow as tf
from google import protobuf


def _decode_strings_to_utf8(inputs):
Expand Down Expand Up @@ -45,3 +48,14 @@ def tensor_to_string_list(inputs):
if inputs.shape.rank != 0:
list_outputs = list_outputs.tolist()
return _decode_strings_to_utf8(list_outputs)


def preview_tfrecord(filepath):
"""Pretty prints a single record from a tfrecord file."""
dataset = tf.data.TFRecordDataset(os.path.expanduser(filepath))
example = tf.train.Example()
example.ParseFromString(next(iter(dataset)).numpy())
formatted = protobuf.text_format.MessageToString(
example, use_short_repeated_primitives=True
)
print(formatted)