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46 lines
1.6 KiB
46 lines
1.6 KiB
import torch
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import argparse
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import os
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import hashlib
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from collections import OrderedDict
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parser = argparse.ArgumentParser(description='PyTorch ImageNet Validation')
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parser.add_argument('--checkpoint', default='', type=str, metavar='PATH',
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help='path to latest checkpoint (default: none)')
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parser.add_argument('--output', default='./cleaned.pth', type=str, metavar='PATH',
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help='output path')
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def main():
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args = parser.parse_args()
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if os.path.exists(args.output):
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print("Error: Output filename ({}) already exists.".format(args.output))
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exit(1)
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# Load an existing checkpoint to CPU, strip everything but the state_dict and re-save
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if args.checkpoint and os.path.isfile(args.checkpoint):
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print("=> Loading checkpoint '{}'".format(args.checkpoint))
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checkpoint = torch.load(args.checkpoint, map_location='cpu')
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new_state_dict = OrderedDict()
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if isinstance(checkpoint, dict) and 'state_dict' in checkpoint:
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state_dict = checkpoint['state_dict']
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else:
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state_dict = checkpoint
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for k, v in state_dict.items():
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name = k[7:] if k.startswith('module') else k
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new_state_dict[name] = v
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print("=> Loaded state_dict from '{}'".format(args.checkpoint))
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torch.save(new_state_dict, args.output)
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with open(args.output, 'rb') as f:
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sha_hash = hashlib.sha256(f.read()).hexdigest()
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print("=> Saved state_dict to '{}, SHA256: {}'".format(args.output, sha_hash))
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else:
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print("Error: Checkpoint ({}) doesn't exist".format(args.checkpoint))
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if __name__ == '__main__':
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main()
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