How to change default behaviour of a class?
Michael Hudson
mwh21 at cam.ac.uk
Mon Aug 30 06:37:36 EDT 1999
"Gerhard W. Gruber" <g.gruber at xsoft.co.at> writes:
> How can I change what is printed when I use the statement "print class"?
> Usually this leads to an output like <class instance at 9aad60> but I
> rather want it to print variables contained in my class instead of the
> pointer adress.
Add a __repr__ method:
class C:
def __init__(self):
self.a = 1
def __repr__(self):
return "self.a = %s"%self.a
C() => "self.a = 1" appears on stdout.
HTH,
Michael
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