ensure setup.py editable builds do not use pep517 #5590
Merged
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Prior to this change when Poetry builds a project with a setup.py file, as in the case when
generate-setup-file
was set to true,pip
fallback was invoked with a PEP 517 isolated build causing it to fail.This was a regression in functionality from Poetry 1.1 build script usage. However, note that build script usage is an experimental feature.
Resolves: #4979