Подлужный Олег 304 КФ ClassCounter 9454			Дю Василий Андреевич КФ МГУ ClassCounter 10038
n	1	class GenerationDescriptor:	n	1	class _GenAccessor:
	2			2
n	3	def __get__(self, instance, owner):	n	3	def __get__(self, inst, owner):
	4	return type(owner)._count		4	return owner.__class__._counter
	5			5
	6	class Generative(type):		6	class Generative(type):
n	7	_count = 0	n	7	_counter = 0
	8			8
n	9	def __init__(cls, name, bases, namespace):	n	9	def __init__(self, nm, bases, ns):
	10	super().__init__(name, bases, namespace)		10	super().__init__(nm, bases, ns)
	11	type(cls)._count += 1		11	type(self)._counter += 1
	12	type.__setattr__(cls, 'generation', GenerationDescriptor())		12	type.__setattr__(self, 'generation', _GenAccessor())
	13			13
n	14	def __setattr__(self, name, value):	n	14	def __setattr__(self, key, val):
	15	if name == 'generation':		15	if key == 'generation':
	16	raise AttributeError('cannot set generation')		16	raise AttributeError('cannot modify generation')
	17	super().__setattr__(name, value)		17	return super().__setattr__(key, val)
	18			18
n	19	def __delattr__(self, name):	n	19	def __delattr__(self, key):
	20	if name == 'generation':		20	if key == 'generation':
	21	raise AttributeError('cannot delete generation')		21	raise AttributeError('cannot delete generation')
t	22	super().__delattr__(name)	t	22	return super().__delattr__(key)

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