I know what's wrong. Thank you. And I think
try:
return self.__dict__[attr_name]
is unnecessary, because python will do it itself for us.
So now I have to overload __str__, but how can I make self.__str__
print as builtin str(): at here, I want get the result like:
<test instance at 0xb7bbb90c>
?
On 6 22 , 12 55 , "Gabriel Genellina" <[EMAIL PROTECTED]>
wrote:
> En Fri, 22 Jun 2007 00:30:43 -0300, Roc Zhou <[EMAIL PROTECTED]>
> escribió:
>
> > Now I have to design a class that overload __getattr__, but after
> > that, I found the __repr__ have been affected. This is a simple
> > example model:
>
> You are creating many attributes with value "inexistent", even special
> methods. Put a print statement and see what happens:
>
> > #!/usr/bin/env python
>
> > class test:
> > def __init__(self):
> > self.x = 1
> > def __getattr__(self, attr_name):
> > try:
> > return self.__dict__[attr_name]
> > except KeyError:
>
> print "Now creating:",attr_name
>
> > self.__dict__[attr_name] = 'inexistent'
> > return self.__dict__[attr_name]
>
> --
> Gabriel Genellina
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