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argparser not cool

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This commit is contained in:
laerus 2016-07-30 22:18:33 +03:00
parent 80a9798981
commit dd61db0751
1 changed files with 13 additions and 15 deletions
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28
xonsh/history.py
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@ -354,11 +354,9 @@ def _hist_create_parser():
description='Tools for dealing with history')
subp = p.add_subparsers(title='action', dest='action')
# session action
show = subp.add_parser('show', aliases=['session'],
help='displays session history, default action')
show = subp.add_parser('show', help='displays session history, default action')
show.add_argument('-r', dest='reverse', default=False,
action='store_true',
help='reverses the direction')
action='store_true', help='reverses the direction')
show.add_argument('-n', dest='numerate', default=False, action='store_true',
help='numerate each command')
show.add_argument('session', nargs='?', choices=_HIST_SESSIONS.keys(), default='session',
@ -662,17 +660,17 @@ def _hist_parse_args(args):
"""Parse arguments using the history argument parser."""
parser = _hist_create_parser()
if not args:
args = ['show']
elif args[0] in _HIST_SESSIONS:
print("Use the 'show' subcommand to get history sessions.", file=sys.stderr)
return
elif args[0] not in ['-h', '--help'] and args[0] not in _HIST_MAIN_ACTIONS:
args.insert(0, 'show')
if (args[0] == 'show'
and len(args) > 1
and args[1] not in ['-h', '--help', '-r', '-n']
and args[1] not in _HIST_SESSIONS):
args.insert(1, 'session')
args = ['show', 'session']
elif args[0] == 'show':
slices_index = 0
for i, a in enumerate(args[:]):
if a in _HIST_SESSIONS:
break
elif a.startswith('-') and a.lstrip('-').isalpha():
# get last optional arg, before slices
slices_index = i
else: # no session arg found, insert before slices
args.insert(slices_index + 1, 'session')
return parser.parse_args(args)