Хайруллина Алина ClassCounter 9811			action22k ClassCounter 10023
f	1	class Generative(type):	f	1	class Generative(type):
n	2	_count = 0	n	2	_creation_index = 0
	3			3
n	4	class GenerationDescriptor:	n	4	class OrderTracker:
	5			5
	6	def __get__(self, obj, owner):		6	def __get__(self, obj, owner):
n	7	return Generative._count	n	7	return Generative._creation_index
	8			8
n	9	def __new__(mcls, name, bases, ns):	n	9	def __new__(mcls, class_name, bases_tuple, namespace_dict):
	10	ns['generation'] = Generative.GenerationDescriptor()		10	namespace_dict['generation'] = Generative.OrderTracker()
	11	cls = super().__new__(mcls, name, bases, ns)		11	cls = super().__new__(mcls, class_name, bases_tuple, namespace_d
				>	ict)
	12	Generative._count += 1		12	Generative._creation_index += 1
	13	return cls		13	return cls
	14			14
n	15	def __setattr__(cls, name, value):	n	15	def __setattr__(cls, attrib_name, value):
	16	if name == 'generation':		16	if attrib_name == 'generation':
	17	raise AttributeError('generation is read-only')		17	raise AttributeError('generation is a constant, read-only pr
				>	operty')
	18	super().__setattr__(name, value)		18	super().__setattr__(attrib_name, value)
	19			19
t	20	def __delattr__(cls, name):	t	20	def __delattr__(cls, attrib_name):
	21	if name == 'generation':		21	if attrib_name == 'generation':
	22	raise AttributeError('cannot delete generation')		22	raise AttributeError('cannot destroy the generation attribut
				>	e')
	23	super().__delattr__(name)		23	super().__delattr__(attrib_name)

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