Drop support for Python 3.9; start supporting Python 3.14#176
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Raise requires-python to >=3.10 and update tox, CI matrix, and changelog accordingly. Remove the fcntl.F_SETPIPE_SZ compatibility shim that monkey-patched the constant on Linux for CPython <=3.9 where it was missing. Dead code now that Python >=3.10 is required. PyPy is temporarily dropped from the CI matrix. isal 1.8.0 and zlib-ng 1.0.0 stopped publishing PyPy wheels because cibuildwheel 3.0 made PyPy opt-in by default and both projects install cibuildwheel unpinned. Restore once upstream wheels return — see pycompression/python-isal#245 and pycompression/python-zlib-ng#78. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Hey @marcelm @rhpvorderman - just a quick follow-up to #170, dropping support for 3.9 and adding 3.14 to the CI matrix
I opened a couple PRs upstream (pycompression/python-isal#251, pycompression/python-zlib-ng#79) to build the PyPy wheels for those dependencies. Probably cleanest to merge those in first, but you could also merge this as-is and add the PyPy support back after those are in. (If you go the latter route, it'd probably make sense to take
isalandzlib-ngas CPython-only dependencies here before merge.)This could easily be folded into #173 (and feel free to cherry-pick it in), just didn't want to step on an existing PR.