calling python functions using variables
Ben Finney
bignose+hates-spam at benfinney.id.au
Fri May 19 05:57:15 EDT 2006
Peter Otten <__peter__ at web.de> writes:
> creo wrote:
> > what i want to do is
> > commands.VARIABLE()
> > where VARIABLE holds the name of the function which i want to execute
> > and depends on what the user has typed
>
> You want
>
> getattr(commands, VARIABLE)()
You'll also need to anticipate the situation where the value bound to
VARIABLE is not the name of an attribute in 'commands'.
Either deal with the resulting NameError exception (EAFP[0]) or test
first whether the attribute exists (LBYL[1]).
[0] Easier to Ask Forgiveness than Permission
[1] Look Before You Leap
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Ben Finney
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