mmdeploy/tools/torch2onnx.py

60 lines
1.7 KiB
Python

# Copyright (c) OpenMMLab. All rights reserved.
import argparse
import logging
import os.path as osp
from mmdeploy.apis import torch2onnx
from mmdeploy.utils import get_root_logger
def parse_args():
parser = argparse.ArgumentParser(description='Export model to ONNX.')
parser.add_argument('deploy_cfg', help='deploy config path')
parser.add_argument('model_cfg', help='model config path')
parser.add_argument('checkpoint', help='model checkpoint path')
parser.add_argument('img', help='image used to convert model model')
parser.add_argument('output', help='output onnx path')
parser.add_argument(
'--device', help='device used for conversion', default='cpu')
parser.add_argument(
'--log-level',
help='set log level',
default='INFO',
choices=list(logging._nameToLevel.keys()))
args = parser.parse_args()
return args
def main():
args = parse_args()
logger = get_root_logger(log_level=args.log_level)
deploy_cfg_path = args.deploy_cfg
model_cfg_path = args.model_cfg
checkpoint_path = args.checkpoint
img = args.img
output_path = args.output
work_dir, save_file = osp.split(output_path)
device = args.device
logger.info(f'torch2onnx: \n\tmodel_cfg: {model_cfg_path} '
f'\n\tdeploy_cfg: {deploy_cfg_path}')
try:
torch2onnx(
img,
work_dir,
save_file,
deploy_cfg=deploy_cfg_path,
model_cfg=model_cfg_path,
model_checkpoint=checkpoint_path,
device=device)
logger.info('torch2onnx success.')
except Exception as e:
logger.error(e)
logger.error('torch2onnx failed.')
if __name__ == '__main__':
main()