Fix build-system in pyproject.toml #341
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Fix the `build-system.requires` key to specify `poetry-core` rather than `poetry` as the correct package providing `poetry.core.*` backend. Remove `setuptools` and `wheel` requirements since they are not used when building via the PEP517 backend.
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As you can see in the CI, if I don't add it on build-system.requires, there is an strange issue where the error is raised, even if the setuptools was installed in the very beginning with the command |
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The problem is that you're running Python < 3.6. While poetry might support it still (I didn't check), pip does not, so it's installing some old version (i.e. the last version supporting Python 2.7/3.5) and that version is simply broken with PEP517 builds. |
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@mgorny Soon I plan to deprecate support on python 2.7, 3.4 and 3.5 on this toolkit (only security patch could be supported) so gonna be a good time to apply this PR and improve the code properly with new features available in python > 3.5 |
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Fix the
build-system.requireskey to specifypoetry-corerather thanpoetryas the correct package providingpoetry.core.*backend. Removesetuptoolsandwheelrequirements since they are not used when building via the PEP517 backend.