php function "addslashes" / "removeslashes" in python

[Lowel Stern]

On Wed, 10 Jul 2002 00:04:11 GMT, "Fredrik Lundh"
<fredrik at pythonware.com> wrote:

>Lowel Stern wrote:
>
>> Does anyone know if this exists already?
>
>if you're doing database, you really should learn to use bound
>parameters...
>
I don't belive that MySQL can use that yet.

>but if you insist, this might be a pretty good approximation:
>
>import re
>
>def addslashes(string, sub=re.compile(r"[\\\"']").sub):
>    def fixup(m):
>        return "\\" + m.group(0)
>    return sub(fixup, string)
>
>def removeslashes(string, sub=re.compile(r"(?s)\\(.)|\\").sub):
>    def fixup(m):
>        ch = m.group(1)
>        if ch is None:
>            raise 'Parse Error: backslash at end of string'
>        if ch not in r"\\\"'":
>            raise 'Parse Error: unsupported character after backslash'
>        return ch
>    return sub(fixup, string)
>
></F>
>
Thanks for the regx stuff, I'm now testing it

Lowel