On Mon, 22 Oct 2007 23:16:38 +0000, Steven D'Aprano wrote:
>> how could I call a_string as function?
>
> Others have suggested eval() and exec. Both will work, but have MAJOR
> security implications.
Oh, and they are seriously slower too.
>>> import timeit
>>> timeit.Timer('f("2.3")',
... 'f = float').repeat() # time using 1st class function
[1.7266130447387695, 0.97645401954650879, 0.97271394729614258]
>>> timeit.Timer('eval("float")("2.3")'
... ).repeat() # time using eval and a string
[20.628923177719116, 19.70452094078064, 19.783280849456787]
--
Steven.
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