Antoon Pardon <[EMAIL PROTECTED]> wrote:
> Op 2005-12-15, Ed Leafe schreef <[EMAIL PROTECTED]>:
>> On Dec 15, 2005, at 11:51 AM, Lawrence Oluyede wrote:
>>
>>>> So? Am I nuts? Or is this possible?
>>>
>>> Yes it is, use exec() to turn your string in valid Python code
>>> and bind the dynamic function as a method of class Test
>>>
>>> xx = """def dynamic(self):
>>> print "dynamic", self.testAtt
>>> """
>>>
>>> exec xx
>>>
>>> class Test(object):
>>> testAtt = "sample"
>>> def normalMethod(self):
>>> print "normal", self.testAtt
>>>
>>> t = Test()
>>> Test.dynamic = dynamic
>>> t.dynamic()
>>
>> Thanks! I knew I had done this before. My mistake was that I was
>> setting the exec'd code to the instance, and not to the class. That
>> works, but makes it a function, which doesn't automatically get sent
>> the 'self' reference.
>
> But this will make the function a method to all instances of the class.
> Is that what you want? From your first post I had the impression you
> only wanted the function to be the method of one particular instance.
How about:
def bind(fun, arg):
return lambda *a, **k: fun(arg, *a, **k)
t.dynamic = bind(dynamic, t)
--
Ben Hutchings
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