- if re.match(r'^[-_\w./]+$', s):
- return s
- else:
- return "'" + s.replace("'", "'\"'\"'") + "'"
+ return s if re.match(r'^[-_\w./]+$', s) else '"%s"' % s.replace('"', '\\"')
+else:
+ try:
+ from shlex import quote as compat_shlex_quote
+ except ImportError: # Python < 3.3
+ def compat_shlex_quote(s):
+ if re.match(r'^[-_\w./]+$', s):
+ return s
+ else:
+ return "'" + s.replace("'", "'\"'\"'") + "'"