1class Slot:
 2    def __init__(self, object_limit=None, size_limit=None):
 3        self.object_limit = object_limit
 4        self.size_limit = size_limit
 5
 6    def __set_name__(self, owner, name):
 7        self.storage_name = f"_{name}_objects"
 8
 9    def __get__(self, instance, owner):
10        if instance is None:
11            return self
12        return tuple(getattr(instance, self.storage_name, []))
13
14    def __set__(self, instance, value):
15        if not (storage := getattr(instance, self.storage_name, [])):
16            setattr(instance, self.storage_name, storage)  # Hacky :)
17        if self.object_limit is not None and len(storage) + 1 > self.object_limit:
18            raise ValueError("Too many.")
19        if self.size_limit is not None and sum(len(obj) for obj in storage) + len(value) > self.size_limit:
20            raise ValueError("Too much.")
21        storage.append(value)
22
23    def __delete__(self, instance):
24        try:
25            getattr(instance, self.storage_name).pop(0)
26        except (AttributeError, IndexError):
27            pass