understanding self
bruno modulix
onurb at xiludom.gro
Thu Jul 8 18:36:05 EDT 2004
bruce stockwell a écrit :
> Using 'self' in classes seems pretty straight forward. My curiosity is
> why I have to use it. Shouldn't it be implied? If I create an instance
> of 'human' called 'bruce' and call the method 'blink' why do I have to
> pass bruce into the method e.g.
>
(snip)
> blink is a method of bruce because bruce is an instance of human.
> Reading this silly code I can understand what is going on if self was
> not included. Can anyone enlighten me as to why we have self?
You already got some good answers. I'll just add my two cents :
class Test:
pass
t = Test()
def fun(self, arg):
self.arg = arg
print self.arg
Test.fun = fun
t.fun(42)
>>> 42
print t.arg
>>> 42
Could you do this without self ?
> by the way..six months of python and I'm 10 times the programmer I was
> with vb
Enjoy !-)
Bruno
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