From ca547beea76ee9458703e1a052e91effd034ee2a Mon Sep 17 00:00:00 2001
From: Martin Craig <martin.craig@eng.ox.ac.uk>
Date: Tue, 10 Jul 2018 10:19:34 +0100
Subject: [PATCH] Add singlechar_args option to applyArgStyle for standard
handling of single-char arguments If specified, single-character arguments
always take single dash prefix even if argument style is --. This is a
standard variation.
---
fsl/wrappers/wrapperutils.py | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/fsl/wrappers/wrapperutils.py b/fsl/wrappers/wrapperutils.py
index cfeed50ff..1ad76869a 100644
--- a/fsl/wrappers/wrapperutils.py
+++ b/fsl/wrappers/wrapperutils.py
@@ -181,7 +181,7 @@ generated command line arguments.
"""
-def applyArgStyle(style, valsep=None, argmap=None, valmap=None, **kwargs):
+def applyArgStyle(style, valsep=None, argmap=None, valmap=None, singlechar_args=False, **kwargs):
"""Turns the given ``kwargs`` into command line options. This function
is intended to be used to automatically generate command line options
from arguments passed into a Python function.
@@ -240,6 +240,9 @@ def applyArgStyle(style, valsep=None, argmap=None, valmap=None, **kwargs):
The argument for any options not specified in the ``valmap``
will be converted into strings.
+ :arg singlechar_args: If True, single character arguments always take a single
+ hyphen prefix (e.g. -h) regardless of the style
+
:arg kwargs: Arguments to be converted into command-line options.
:returns: A list containing the generated command-line options.
@@ -265,7 +268,7 @@ def applyArgStyle(style, valsep=None, argmap=None, valmap=None, **kwargs):
if valmap is None: valmap = {}
def fmtarg(arg):
- if style in ('-', '-='): arg = '-{}'.format(arg)
+ if style in ('-', '-=') or (singlechar_args and len(arg) == 1): arg = '-{}'.format(arg)
elif style in ('--', '--='): arg = '--{}'.format(arg)
return arg
--
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