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Improve subproctools.quote.

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This commit is contained in:
voussoir 2020-12-15 13:10:13 -08:00
parent f2456faf62
commit f72c68bab2
1 changed files with 4 additions and 2 deletions
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6
voussoirkit/subproctools.py
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@ -9,7 +9,8 @@ def quote(arg):
# separate for external applications.
# Ampersand, pipe, and caret are process flow and special escape.
# Quotes inside quotes must be doubled up.
if arg == '' or any((c.isspace() or c in arg) for c in [',', ';', '=', '&', '|', '^', '"']):
badchars = [',', ';', '=', '&', '|', '^', '"']
if arg == '' or any(c.isspace() for c in arg) or any(c in arg for c in badchars):
arg = arg.replace('"', '""')
arg = f'"{arg}"'
return arg
@ -17,7 +18,8 @@ def quote(arg):
# Semicolon is command delimiter.
# Equals assigns shell variables.
# Quotes inside quotes must be escaped with backslash.
if arg == '' or any((c.isspace() or c in arg) for c in [' ', ';', '=', '&', '|']):
badchars = [' ', ';', '=', '&', '|']
if arg == '' or any(c.isspace() for c in arg) or any(c in arg for c in badchars):
arg = arg.replace("'", "\\'")
arg = f"'{arg}'"
return arg