From: W. Trevor King <wking@tremily.us>
Date: Tue, 11 Dec 2012 16:49:53 +0000 (-0500)
Subject: pg.py: handle command-less invocation cleanly
X-Git-Url: http://git.tremily.us/?p=pygrader.git;a=commitdiff_plain;h=e96504f5e6f345137ceba5070ad7619ee13ab0e3

pg.py: handle command-less invocation cleanly

This avoids:

  Traceback (most recent call last):
    File "/.../pg.py", line 202, in <module>
      func_args = _inspect.getargspec(args.func).args
  AttributeError: 'Namespace' object has no attribute 'func'
---

diff --git a/bin/pg.py b/bin/pg.py
index b8db60e..23f4d63 100755
--- a/bin/pg.py
+++ b/bin/pg.py
@@ -178,6 +178,11 @@ if __name__ == '__main__':
 
     args = parser.parse_args()
 
+    if not hasattr(args, 'func'):
+        # no command selected; print help and die
+        parser.print_help()
+        _sys.exit(0)
+
     if args.verbose:
         _LOG.setLevel(max(_logging.DEBUG, _LOG.level - 10*args.verbose))
         _pgp_mime.LOG.setLevel(_LOG.level)