56 lines
1.7 KiB
Python
56 lines
1.7 KiB
Python
# Copyright (c) OpenMMLab. All rights reserved.
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import argparse
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import datetime
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import subprocess
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from pathlib import Path
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import torch
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from mmcv import digit_version
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def parse_args():
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parser = argparse.ArgumentParser(
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description='Process a checkpoint to be published')
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parser.add_argument('in_file', help='input checkpoint filename')
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parser.add_argument('out_file', help='output checkpoint filename')
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args = parser.parse_args()
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return args
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def process_checkpoint(in_file, out_file):
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checkpoint = torch.load(in_file, map_location='cpu')
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# remove optimizer for smaller file size
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if 'optimizer' in checkpoint:
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del checkpoint['optimizer']
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# if it is necessary to remove some sensitive data in checkpoint['meta'],
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# add the code here.
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if digit_version(torch.__version__) >= digit_version('1.6'):
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torch.save(checkpoint, out_file, _use_new_zipfile_serialization=False)
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else:
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torch.save(checkpoint, out_file)
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sha = subprocess.check_output(['sha256sum', out_file]).decode()
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if out_file.endswith('.pth'):
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out_file_name = out_file[:-4]
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else:
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out_file_name = out_file
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current_date = datetime.datetime.now().strftime('%Y%m%d')
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final_file = out_file_name + f'_{current_date}-{sha[:8]}.pth'
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subprocess.Popen(['mv', out_file, final_file])
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print(f'Successfully generated the publish-ckpt as {final_file}.')
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def main():
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args = parse_args()
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out_dir = Path(args.out_file).parent
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if not out_dir.exists():
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raise ValueError(f'Directory {out_dir} does not exist, '
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'please generate it manually.')
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process_checkpoint(args.in_file, args.out_file)
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if __name__ == '__main__':
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main()
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