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Avoid unwanted behavior change in shlex.quote (see #9723).

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I simplified the quote code to use a regex instead of a loop+test when I
moved pipes.quote to shlex in 5966eeb0457d; Ezio Melotti pointed out
that my regex contained redundant parts (now removed) and allowed
non-ASCII characters (now disallowed).

I think common UNIX shells don’t quote non-ASCII characters, but there’s
no harm in doing so.  We’ll see if users request a change.
This commit is contained in:
Éric Araujo 2011-08-09 23:18:06 +02:00
commit 7fc0394a12
2 changed files with 3 additions and 2 deletions
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2
Lib/shlex.py
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@ -276,7 +276,7 @@ def split(s, comments=False, posix=True):
return list(lex)
_find_unsafe = re.compile(r'[^\w\d@%_\-\+=:,\./]').search
_find_unsafe = re.compile(r'[^\w@%\-\+=:,\./]', re.ASCII).search
def quote(s):
"""Return a shell-escaped version of the string *s*."""