[BangPypers] Unpacking Tuple

[Gora Mohanty]

On 6 October 2012 15:39, Saju M <sajuptpm at gmail.com> wrote:

> Hi,
>
> I am using python 2.6.
>
> I need a way to make following code working without any ValueError .
> >>> a, b, c, d = (1,2,3,4)
> >>> a, b, c, d = (1,2,3).
>
> Note: Number of values in the tuple will change dynamically.
>

Is the maximum length of the tuple fixed?
If so, you can pad the tuple with "blank" variables to
this maximum length, viz.,
NMAX = 4
UNKNOWN_VAL = ''
t = (1, 2, 3)
a, b, c, d = t + (NMAX - len(t)) * (UNKNOWN_VAL,)

If the maximum length is not fixed, you should probably
revisit your design.

Regards,
Gora