Python paradigms
Ben Wolfson
rumjuggler at home.com
Sun Apr 16 13:35:46 EDT 2000
On Sun, 16 Apr 2000 04:17:22 -0600, "Andrew Dalke" <dalke at acm.org>
wrote:
>You can imagine:
>
>def expression_if(test, true_string, false_string):
> # some nasty code to get the locals of the calling function
> if test:
> return eval(true_string with the given locals)
> else:
> return eval(false_string with the given locals
>
>x = expression_if(a is not None, "a[i].weeble", "0") + ...
I did this. Instead of the nasty code to get the locals of the
calling function, you can change the parameter list to
def expression_if(test, true_string, false_string, gbals, lcals):
and pass in globals and locals when you call it.
--
Barnabas T. Rumjuggler
Half our days we pass in the shadow of the earth; and the brother of
death exacteth a third part of our lives.
-- Thomas Browne.
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