Add warning for deprecated project.license
as TOML table (PEP 639-related)
#4840
+90
−31
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Summary of changes
Alongside with #4838, the objective of this PR is to introduce more deprecation warnings and prepare for an eventual feature removal in the spirit of PEP 639.
I am assuming that if a project is using
pyproject.toml
withsetuptools
it is relatively new and the maintainers are likely to be around.Also the best is to introduce the warning as soon as possible, so that the clock starts ticking for the removal.
/cc @cdce8p
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