Nanjundi a écrit :
> On Apr 10, 10:23 am, "Lucas Malor" <[EMAIL PROTECTED]> wrote:
>
>> Thank you. Do you know also if I can do a similar operation with
>> functions? I want to select with a string a certain get() function
>> of ConfigParser:
>>
>> if type == "int" : funcname = "getint" elif type == "bool" :
>> funcname = "getboolean" etc.
>>
>
>> How can I invoke the funcion with its name in a string?
>
> Use exec to assign to a variable.
Oh, yes, soooo simple !-)
>
>>>> def testPrint(msg):
>
> ... print 'Msg: %s' % msg ...
>
>>>> sfunc = "testPrint" exec("f = %s" % sfunc) f('Hello Python')
>
> Msg: Hello Python
>
> & use 'f = self.%s' % name for class methods.
>
> Hope its not a bad practice!
Using exec (or eval) is not a bad practice in itself, but using it when
there are much simpler solutions is certainly a WTF.
See the other posts in this thread for more idiomatic solutions to the
OP's problem (mainly: dict-based dispatch, use of getattr on module
objects, and use of the locals() and/or globals() builtins).
HTH
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