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Code Issues Releases Wiki Activity

accept names of other commands in help command

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This commit is contained in:
Johann Klähn 2014-03-21 22:12:15 +01:00
parent 8a1ebe0112
commit f47353e7ef
1 changed files with 11 additions and 7 deletions
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18
attic/archiver.py
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@ -2,6 +2,7 @@
from binascii import hexlify
from datetime import datetime
from operator import attrgetter
import functools
import io
import os
import stat
@ -385,13 +386,15 @@ def do_prune(self, args):
$ attic create -e /home/user/cache/ repo.attic / /home/user/cache/important
'''
def do_help(self, args):
if args.topic in self.helptext:
def do_help(self, parser, commands, args):
if not args.topic:
parser.print_help()
elif args.topic in self.helptext:
print(self.helptext[args.topic])
elif args.topic in commands:
commands[args.topic].print_help()
else:
# FIXME: If topic is one of the regular commands, show that help.
# Otherwise, show the default global help.
print('No help available on %s' % (args.topic,))
parser.error('No help available on %s' % (args.topic,))
return self.exit_code
def preprocess_args(self, args):
@ -619,8 +622,9 @@ def run(self, args=None):
subparser = subparsers.add_parser('help', parents=[common_parser],
description='Extra help')
subparser.set_defaults(func=self.do_help)
subparser.add_argument('topic', metavar='TOPIC', type=str,
subparser.set_defaults(
func=functools.partial(self.do_help, parser, subparsers.choices))
subparser.add_argument('topic', metavar='TOPIC', type=str, nargs='?',
help='additional help on TOPIC')
args = parser.parse_args(args or ['-h'])