openstack/heat
Code Issues Proposed changes

Make 'heat help' show a list of commands

Browse Source 
Previously we just printed an error message about not specifying a command
to get help about, and no hint about how to work out which commands even
existed.

Signed-off-by: Zane Bitter <zbitter@redhat.com>
This commit is contained in:
Zane Bitter 2012-05-14 17:56:33 +02:00
parent 645d093c45
commit 7a28ec601e
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
bin/heat
View File

@ -434,14 +434,14 @@ def print_help(options, args):
"""
Print help specific to a command
"""
if len(args) != 1:
sys.exit("Please specify a command")
parser = options.__parser
command_name = args.pop()
command = lookup_command(parser, command_name)
print command.__doc__ % {'prog': os.path.basename(sys.argv[0])}
if not args:
parser.print_usage()
subst = {'prog': os.path.basename(sys.argv[0])}
docs = [lookup_command(parser, cmd).__doc__ % subst for cmd in args]
print '\n\n'.join(docs)
def lookup_command(parser, command_name):