/
publish_model.py
65 lines (52 loc) · 2.05 KB
/
publish_model.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
# Copyright (c) OpenMMLab. All rights reserved.
import argparse
import subprocess
from datetime import date
import torch
from mmengine.logging import print_log
from mmengine.utils import digit_version
from mmengine.utils.dl_utils import TORCH_VERSION
def parse_args():
parser = argparse.ArgumentParser(
description='Process a checkpoint to be published')
parser.add_argument('in_file', help='input checkpoint filename')
parser.add_argument('out_file', help='output checkpoint filename')
parser.add_argument(
'--save-keys',
nargs='+',
type=str,
default=['meta', 'state_dict'],
help='keys to save in published checkpoint (default: meta state_dict)')
args = parser.parse_args()
return args
def process_checkpoint(in_file, out_file, save_keys=['meta', 'state_dict']):
checkpoint = torch.load(in_file, map_location='cpu')
# only keep `meta` and `state_dict` for smaller file size
ckpt_keys = list(checkpoint.keys())
for k in ckpt_keys:
if k not in save_keys:
print_log(
f'Key `{k}` will be removed because it is not in '
f'save_keys. If you want to keep it, '
f'please set --save-keys.',
logger='current')
checkpoint.pop(k, None)
# if it is necessary to remove some sensitive data in checkpoint['meta'],
# add the code here.
if digit_version(TORCH_VERSION) >= digit_version('1.8.0'):
torch.save(checkpoint, out_file, _use_new_zipfile_serialization=False)
else:
torch.save(checkpoint, out_file)
sha = subprocess.check_output(['sha256sum', out_file]).decode()
if out_file.endswith('.pth'):
out_file_name = out_file[:-4]
else:
out_file_name = out_file
date_now = date.today().strftime('%Y%m%d')
final_file = out_file_name + f'-{sha[:8]}_{date_now}.pth'
subprocess.Popen(['mv', out_file, final_file])
def main():
args = parse_args()
process_checkpoint(args.in_file, args.out_file, args.save_keys)
if __name__ == '__main__':
main()