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src2asciidoc: Fix metavar with nargs != 1.

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This commit is contained in:
Florian Bruhin 2015-02-05 08:22:50 +01:00
parent f78b21874f
commit a55076dfdf
1 changed files with 13 additions and 4 deletions
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17
scripts/src2asciidoc.py
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@ -189,10 +189,19 @@ def _get_command_doc(name, cmd):
return '\n'.join(output)
def _get_action_metavar(action):
"""Get the metavar to display for an argparse action."""
def _get_action_metavar(action, nargs=1):
"""Get the metavar to display for an argparse action.
Args:
action: The argparse action to get the metavar for.
nargs: The nargs setting for the related argument.
"""
if action.metavar is not None:
return "'{}'".format(action.metavar)
if isinstance(action.metavar, str):
elems = [action.metavar] * nargs
else:
elems = action.metavar
return ' '.join("'{}'".format(e) for e in elems)
elif action.choices is not None:
choices = ','.join(map(str, action.choices))
return "'{{{}}}'".format(choices)
@ -213,7 +222,7 @@ def _format_action_args(action):
elif action.nargs == '...':
return '...'
else:
return ' '.join([_get_action_metavar(action)] * action.nargs)
return _get_action_metavar(action, nargs=action.nargs)
def _format_action(action):