On 05/11/2015 01:24 AM, Markus Armbruster wrote:
> Report to stderr, prefix with the program name.  Also reject
> extra arguments.
> 
> Signed-off-by: Markus Armbruster <armbru@redhat.com>
> Reviewed-by: Eric Blake <eblake@redhat.com>
> ---
>  scripts/qapi.py | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 

> @@ -999,4 +999,8 @@ def parse_command_line(extra_options = "", extra_long_options = []):
>          do_c = True
>          do_h = True
>  
> +    if len(args) != 0:
> +        print >>sys.stderr, "%s: too many arguments"% sys.argv[0]

Spacing on both sides of %?  Or even:

print >>sys.stderr, sys.argv[0] + ": too many arguments"

but trivial enough to keep R-b whatever you decide.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org