(feat): full v2 compat via python fallback #165

Job	Run time
build sdist	14s
build on linux (x86_64 - 2_28)	4m 20s
build on linux (aarch64 - 2_28)	4m 7s
build on macos (x86_64)	3m 38s
build on macos (aarch64)	3m 51s
build on windows (x86_64)	11m 53s
build on linux (armv7 - 2_28)	4m 24s
build on linux (ppc64le - 2_28)	4m 11s
build on linux (x86_64 - musllinux_1_2)	4m 8s
build on linux (aarch64 - musllinux_1_2)	3m 57s
build on linux (armv7 - musllinux_1_2)	3m 54s
build on windows (i686)	12m 32s
inspect	5s
version	0s
publish	0s
	1h 1m 14s

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