Nested classes' scope?

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I'm trying to understand scope in nested classes in Python. Here is my example code:

class OuterClass:
    outer_var = 1
    class InnerClass:
        inner_var = outer_var

The creation of class does not complete and I get the error:

<type 'exceptions.NameError'>: name 'outer_var' is not defined

Trying inner_var = Outerclass.outer_var doesn't work. I get:

<type 'exceptions.NameError'>: name 'OuterClass' is not defined

I am trying to access the static outer_var from InnerClass.

Is there a way to do this?

7 Answers
class c_outer:
    def __init__(self, name:str='default_name'):
        self._name = name
        self._instance_lst = list()
        self._x = self.c_inner()

    def get_name(self):
        return(self._name)

    def add_inner_instance(self,name:str='default'):
        self._instance_lst.append(self.c_inner(name))

    def get_instance_name(self,index:int):
        return(self._instance_lst[index].get_name())


    class c_inner:
        def __init__(self, name:str='default_name'):
            self._name = name
        def get_name(self):
            return(self._name)


outer = c_outer("name_outer")

outer.add_inner_instance("test1")
outer.add_inner_instance("test2")
outer.add_inner_instance("test3")
inner_1 = outer.c_inner("name_inner1")
inner_2 = outer.c_inner("name_inner2")
inner_3 = outer.c_inner("name_inner3")

print(outer.get_instance_name(index=0))
print(outer.get_instance_name(1))
print(outer._instance_lst[2]._name
print(outer.get_name())
print(inner_1.get_name())
print(inner_2.get_name())

test1 test2 test3 name_outer name_inner1 name_inner2 name_inner3

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