[issue42856] ensurepip: add configure --with-wheel-pkg-dir=PATH to get wheel packages from a system directory

[Matej Cepl]

Matej Cepl <mcepl at cepl.eu> added the comment:

We (SUSE) have updated versions of the wheels as special Sources, and then this in the %prep stage of our SPEC file:

    # Replace bundled wheels with the updates ones
    rm -v Lib/ensurepip/_bundled/*.whl
    cp -v %{SOURCE20} %{SOURCE21} Lib/ensurepip/_bundled/
    STVER=$(basename %{SOURCE20}|cut -d- -f2)
    PIPVER=$(basename %{SOURCE21}|cut -d- -f2)
    sed -E -i -e "s/^(\s*_SETUPTOOLS_VERSION\s+=\s+)\"[0-9.]+\"/\1\"${STVER}\"/" \
              -e "s/^(\s*_PIP_VERSION\s+=\s+)\"[0-9.]+\"/\1\"${PIPVER}\"/" \
        Lib/ensurepip/__init__.py

A bit of manual work required, but it doesn't lead to so incredible convoluted constructs as I see in Fedora (nothing against it, but our build system is already convoluted enough).

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue42856>
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