/usr/lib/python3/dist-packages/shellescape/main.py is in python3-shellescape 3.4.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | #!/usr/bin/env python
# -*- coding: utf-8 -*-
import re
_find_unsafe = re.compile(r'[a-zA-Z0-9_^@%+=:,./-]').search
def quote(s):
"""Return a shell-escaped version of the string *s*."""
if not s:
return "''"
if _find_unsafe(s) is None:
return s
# use single quotes, and put single quotes into double quotes
# the string $'b is then quoted as '$'"'"'b'
return "'" + s.replace("'", "'\"'\"'") + "'"
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