setuptools/distutils msvc discovery notes

find_msvc_distutils.py

import setuptools._distutils._msvccompiler
c = setuptools._distutils._msvccompiler.MSVCCompiler()
c.initialize()
print(c.cc)

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import setuptools._distutils._msvccompiler as dc
import json
dc._get_vcvars_spec("win-amd64", "win-amd64")
print(json.dumps(dc._get_vc_env("x86_amd64"), indent=2))

## ----

import setuptools.msvc
print(setuptools.msvc.EnvironmentInfo('AMD64').VCTools)