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Print usage when no arguments are passed

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Star Brilliant 2013-11-24 17:07:14 +08:00
parent 5cad1dbe69
commit 1a344ed050
1 changed files with 2 additions and 0 deletions
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danmaku2ass.py
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@ -533,6 +533,8 @@ def GetCommentProcessor(input_file):
def main(): def main():
if len(sys.argv) == 1:
sys.argv.append('--help')
parser = argparse.ArgumentParser() parser = argparse.ArgumentParser()
parser.add_argument('-o', '--output', metavar=_('OUTPUT'), help=_('Output file')) parser.add_argument('-o', '--output', metavar=_('OUTPUT'), help=_('Output file'))
parser.add_argument('-s', '--size', metavar=_('WIDTHxHEIGHT'), required=True, help=_('Stage size in pixels')) parser.add_argument('-s', '--size', metavar=_('WIDTHxHEIGHT'), required=True, help=_('Stage size in pixels'))