OK, I missed out on typing-...@python.org, and now I know this thread is
off-topic on python-dev@python.org.
A bit more clear example of what I want to do is:
```
class Field:
def __init__(self, desc: str) -> None:
self.desc = desc
class FooMetaType:
variable_both_class_and_instance: Field
def __call__(self, value: int) -> 'Foo':
...
class Foo:
variable_both_class_and_instance: int
def __init__(self, value: int) -> None:
self.variable_both_class_and_instance = value
Foo: FooMetaType
Foo.variable_both_class_and_instance = Field(desc="descriptive string")
instance = Foo(5)
print(instance.variable_both_class_and_instance)
```
Static typing on this example doesn't work correctly as expected because it
does not allow overwriting another type over a class declaration.
My point on the example is the tangible value should be assigned to the
instance variables. Still, on the other hand, I want to give a value denoting
the variable's metadata to the class variable. From my understanding, these
variables, like this `variable_both_class_and_instance` in the example, cannot
be correctly typed.
Thank you for your kindness, I'll repost it to typing-...@python.org.
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