exec and func_code

[Prepscius, Colin (IT)]

Actually, thx to Gabrielle Genellina, who wrote earlier:

Instead of using exec, rebuild a new function from the unmarshalled
code:

import new
f3 = new.function(f2.func_code, globals())
f3(parameter)

I haven't tried it yet, but will today...


-----Original Message-----
From: python-list-bounces+colin.prepscius=morganstanley.com at python.org
[mailto:python-list-bounces+colin.prepscius=morganstanley.com at python.org
] On Behalf Of Carsten Haese
Sent: Tuesday, July 24, 2007 1:39 PM
To: python-list at python.org
Subject: Re: exec and func_code

On Tue, 2007-07-24 at 13:24 -0400, Prepscius, Colin (IT) wrote:
> Does anybody know how to pass parameters to 'exec 
> somefunction.func_code'?
>  
> def f1():
>     print 'this is f1'
>  
> def f2(p):
>     print 'this is f2, p =', str(p)
>  
> exec f1.func_code
> THIS RESULTS IN:  "this is nf1"   WHICH IS NICE
>  
> exec f2.func_code
> THIS RESULTS IN:  TypeError: f2() takes exactly 1 argument (0 given) 
> WHICH IS EXPECTED
>  
> exec f2.func_code in {'p':34}
> THIS RESULTS IN:  TypeError: f2() takes exactly 1 argument (0
> given)    ?????

Why not just "f2(34)"? What problem are you trying to solve here?

--
Carsten Haese
http://informixdb.sourceforge.net


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