vars between classes
Moshe Zadka
moshez at math.huji.ac.il
Sat May 27 11:08:16 EDT 2000
On Sat, 27 May 2000, Marc Tardif wrote:
> OK, here's working code now. My previous code was only meant to help
> demonstrate my problem. In this new code, I have tried to change var in
> the first class by calling "first" explicitly. Unfortunately, "3" is still
> not printed:
>
> #!/usr/local/bin/python
>
> class first:
> def __init__(self, var):
> self.var = var
> self.myMethod()
>
> def myMethod(self):
> print "first:", self.var
> second(self.var)
^^^^^^^^^
Here you construct a new object of class "second", which inherits
its __init__ from "first", which calls its "myMethod", which prints
"second." It's still not very clear what you expect to happen.
> print "last:", self.var
>
> class second(first):
> def myMethod(self):
> print "second:", self.var
> first.var = 3
>
> def test(var):
> first(var)
>
> if (__name__=='__main__'):
> test(2)
>
>
>
--
Moshe Zadka <moshez at math.huji.ac.il>
http://www.oreilly.com/news/prescod_0300.html
http://www.linux.org.il -- we put the penguin in .com
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