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marshal: Save TF models under a versioned folder #228

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merged 1 commit into from
Oct 7, 2020
Merged

marshal: Save TF models under a versioned folder #228

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13 changes: 10 additions & 3 deletions backend/kale/marshal/backends.py
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Original file line number Diff line number Diff line change
Expand Up @@ -141,7 +141,12 @@ def resource_tf_load(uri, **kwargs):
try:
from tensorflow.keras.models import load_model
log.info(f"Loading tf.Keras model: {uri}")
obj_tfkeras = load_model(uri, compile=False)
try:
obj_tfkeras = load_model(uri)
except OSError:
# XXX: try to load a model that was saved within a versioned
# folder (for tensorflow serve)
obj_tfkeras = load_model(uri + "/1")
return obj_tfkeras
except ImportError:
return fallback_load(uri, **kwargs)
Expand All @@ -151,7 +156,9 @@ def resource_tf_load(uri, **kwargs):
def resource_tf_save(obj, path, **kwargs):
"""Save a tf.Keras model."""
try:
log.info("Saving Keras model: %s", _get_obj_name(path))
obj.save(path + ".tfkeras")
log.info("Saving TF Keras model: %s", _get_obj_name(path))
# XXX: Adding `/1` since tensorflow serve expects the model's models
# to be saved under a versioned folder
obj.save(path + ".tfkeras/1")
except ImportError:
fallback_save(obj, path, **kwargs)