At Thursday 28/12/2006 03:18, Pyenos wrote:
class Class1:
class Class2:
class Class3:
def __init__(self):
self.var="var"
class Class4:
print Class1.Class2.Class3.var
This code gives me the error:
Traceback (most recent call last):
File "<stdin>", line 1, in ?
File "<stdin>", line 2, in Class1
File "<stdin>", line 3, in Class2
File "<stdin>", line 6, in Class3
File "<stdin>", line 7, in Class4
NameError: name 'Class1' is not defined
- put your print statement inside a method
- as I've said, try to grab the difference between an instance
attribute and a class attribute.
var is an attribute of Class3 instances (because you wrote self.var =
something), so you need a Class3 instance to access it.
Class3 is a class attribute of Class2. Class2 is an instance
attribute of Class1. Putting all this together, you can refer to such
"var" as Class1.Class2.Class3().var
--
Gabriel Genellina
Softlab SRL
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