Print usage when no arguments are passed

2013-11-24 17:07:14 +08:00 · 2013-11-24 17:07:14 +08:00 · 1a344ed050
commit 1a344ed050
parent 5cad1dbe69
1 changed files with 2 additions and 0 deletions
--- a/danmaku2ass.py
+++ b/danmaku2ass.py
@ -533,6 +533,8 @@ def GetCommentProcessor(input_file):


 def main():
+    if len(sys.argv) == 1:
+        sys.argv.append('--help')
    parser = argparse.ArgumentParser()
    parser.add_argument('-o', '--output', metavar=_('OUTPUT'), help=_('Output file'))
    parser.add_argument('-s', '--size', metavar=_('WIDTHxHEIGHT'), required=True, help=_('Stage size in pixels'))