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Simplified argvquote

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This commit is contained in:
Morten Enemark Lund 2016-04-22 16:36:02 +02:00
parent 4863a94b1c
commit 57bb16882f
1 changed files with 8 additions and 7 deletions
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15
xonsh/tools.py
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@ -422,14 +422,16 @@ def escape_windows_cmd_string(s):
def argvquote(arg, force=False):
""" It Converts arguments to a command line such
that CommandLineToArgvW will return the argument string unchanged.
""" Returns an argument quoted in such a way that that CommandLineToArgvW
on Windows will return the argument string unchanged.
This is the same thing Popen does when supplied with an list of arguments.
Arguments in a command line should be separated by spaces; this
function does not add these spaces. This follows the suggestions outlined
here: https://blogs.msdn.microsoft.com/twistylittlepassagesallalike/2011/04/23/everyone-quotes-command-line-arguments-the-wrong-way/
function does not add these spaces. This implementation follows the
suggestions outlined here:
https://blogs.msdn.microsoft.com/twistylittlepassagesallalike/2011/04/23/everyone-quotes-command-line-arguments-the-wrong-way/
"""
if not force and len(arg) != 0 and not any([c in arg for c in ' \t\n\v"']):
cmdline = arg
return arg
else:
n_backslashes = 0
cmdline = '"'
@ -443,8 +445,7 @@ def argvquote(arg, force=False):
n_backslashes = 0
else:
n_backslashes += 1
cmdline += n_backslashes * 2 * '\\' + '"'
return cmdline
return cmdline + n_backslashes * 2 * '\\' + '"'
def on_main_thread():