argparse load conf from file

pull/889/head
Hui Zhang 3 years ago
parent 60e9790610
commit 37790b76d0

@ -28,6 +28,13 @@ class ExtendAction(argparse.Action):
setattr(namespace, self.dest, items)
class LoadFromFile(argparse.Action):
def __call__(self, parser, namespace, values, option_string=None):
with values as f:
# parse arguments in the file and store them in the target namespace
parser.parse_args(f.read().split(), namespace)
def default_argument_parser():
r"""A simple yet genral argument parser for experiments with parakeet.
@ -57,6 +64,8 @@ def default_argument_parser():
"""
parser = argparse.ArgumentParser()
parser.register('action', 'extend', ExtendAction)
parser.add_argument(
'--conf', type=open, action=LoadFromFile, help="config file.")
train_group = parser.add_argument_group(
title='Train Options', description=None)

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