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onepilot/sunnypilot/modeld/get_model_metadata.py
github-actions[bot] 7fa972be6a sunnypilot v2026.02.09-4080
version: sunnypilot v2025.003.000 (dev)
date: 2026-02-09T02:04:38
master commit: 254f55ac15a40343d7255f2f098de3442e0c4a6f
2026-02-09 02:04:38 +00:00

29 lines
1003 B
Python
Executable File

#!/usr/bin/env python3
import sys
import pathlib
import onnx
import codecs
import pickle
def get_name_and_shape(value_info:onnx.ValueInfoProto) -> tuple[str, tuple[int,...]]:
shape = tuple([int(dim.dim_value) for dim in value_info.type.tensor_type.shape.dim])
name = value_info.name
return name, shape
if __name__ == "__main__":
model_path = pathlib.Path(sys.argv[1])
model = onnx.load(str(model_path))
i = [x.key for x in model.metadata_props].index('output_slices')
output_slices = model.metadata_props[i].value
metadata = {}
metadata['output_slices'] = pickle.loads(codecs.decode(output_slices.encode(), "base64"))
metadata['input_shapes'] = dict([get_name_and_shape(x) for x in model.graph.input])
metadata['output_shapes'] = dict([get_name_and_shape(x) for x in model.graph.output])
metadata_path = model_path.parent / (model_path.stem + '_metadata.pkl')
with open(metadata_path, 'wb') as f:
pickle.dump(metadata, f)
print(f'saved metadata to {metadata_path}')