you've misunderstood my question, let me try again:
So this is a simple descriptor class and as you can see, dunder-set needs
3 args: the descriptor CONTAINER/Bar-instance is the first arg, then a
reference to the using instance/Foo-instance
class Bar(object):
def __set__(self, instance, value):
#b-instance of Bar, f-instance of Foo, value
print(self, instance, value)
class Foo(object):
b = Bar()
f = Foo()
print(f)
f.b = 10
1. Now when we create/use @property..
what is the first and second argument to dunder-set
(my guess is, the @property is the first arg and the second arg is 'Foo'
IF you do
class Foo(object):
@property
def whatever..
Am I right? Is there a way to check?
2. The Class Bar/descriptor acts a wrapper/protector for some sekret _var
and therefore it gets all the data needed to make a judgement call.. that
is, it's own name/instance-ref and the using class/instance-name-ref
Note that he's receiving instance-references
therefore when I start sub-classing a property why does he then switch to
class-references/class-variables
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