how to convert string to list or tuple

[Fredrik Lundh]

"flyaflya" <flyaflya at gmail.com> wrote:
>a = "(1,2,3)"
> I want convert a to tuple:(1,2,3),but tuple(a) return ('(', '1', ',',
> '2', ',', '3', ')') not (1,2,3)

if you trust the source, use

    eval(a)

if you don't trust it, you can use, say

    tuple(int(x) for x in re.findall("\d+", a))

or, perhaps

    tuple(int(x) for x in a[1:-1].split(","))

or some variation thereof.

(if you're using a version older than 2.4, add brackets inside
the tuple() call:

    tuple([int(x) for x in a[1:-1].split(",")])

etc.

</F>