Python Object Systems

	A	C	D	E	F	G	H	I	J	K	L	M	N	O	P
1		pre hooks	post hooks	observers	validation	attribute metadata	ranged types	type coercion	custom events	frozen members	introspection	documentation hooks	multiple dispatch	Script Config	CLI config

2	Atom	1	1	1	1	1	1	1
3
4	Pydantic				1
5	attrs			0	1
6	Traitlets			1	1				1					1	1
7	Gata		0	0	1	0	0.5	0	0
8	Enthought Traits			1	1	1						1
9	Python dataclasses			0		0	0.5
10	Dataclassy			0		0
11	Param			1
12	runtype
13	Cubicweb												1
14
15	DEFUNCT
16	ClassForge	0	1							1	1
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