inspection: use pep517 metadata build #2632
Merged
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This change replaces
setup.py
execution in favour of pep517 metadata builds. The proposed approach executespep517.meta.build
instead ofpython setup.py egg_info
.This does not change the order of preference in the inspection flow for execution vs AST parsing. A build is only perfromed in cases where existing metadata inspection,
SetupReader
parsing etc returns an incomplete/unusablePackageInfo
instance or raisesPackageInfoError
.The original proposal was made in #2296 by @finswimmer.
Closes: #2296
Resolves: #1900
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