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Support importing train.py #11444

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Support importing train.py #11444

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11 changes: 7 additions & 4 deletions tools/train.py
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@
from mmdet.utils import setup_cache_size_limit_of_dynamo


def parse_args():
def parse_args(argv=None):
parser = argparse.ArgumentParser(description='Train a detector')
parser.add_argument('config', help='train config file path')
parser.add_argument('--work-dir', help='the dir to save logs and models')
Expand Down Expand Up @@ -50,16 +50,19 @@ def parse_args():
# will pass the `--local-rank` parameter to `tools/train.py` instead
# of `--local_rank`.
parser.add_argument('--local_rank', '--local-rank', type=int, default=0)
args = parser.parse_args()
args = parser.parse_args(argv)
if 'LOCAL_RANK' not in os.environ:
os.environ['LOCAL_RANK'] = str(args.local_rank)

return args


def main():
args = parse_args()
def main(argv=None):
args = parse_args(argv)
return main2(args)


def main2(args):
# Reduce the number of repeated compilations and improve
# training speed.
setup_cache_size_limit_of_dynamo()
Expand Down