Migrate build to Poetry and prep for PyPI release#8
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Switch the build backend from hatchling to poetry-core, keeping the PEP 621 [project] layout so exact dependency constraints are preserved (no caret upper-caps introduced). Add poetry.lock for reproducible dev/CI. - Add [project.urls] (Homepage/Repository/Issues -> eScienceLab/flwrCrate) - Fix requires-python: ">=3.9" was never valid because flwr requires >=3.10 (and flwr 1.31+ requires >=3.11). Set ">=3.11,<4.0" to match flwr and the supported dev environments; this is what lets Poetry resolve a lockfile. - Drop Python 3.10 from the CI matrix to match the new floor - README: lead install with `pip install flwrcrate`, state Python >=3.11, and point the source URL at eScienceLab Verified: poetry build produces a valid sdist+wheel; the wheel installs with its full dependency tree into a clean venv and imports; 51 tests pass at 92% coverage. Part of #4
elichad
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Jul 1, 2026
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looks good - a few minor recommendations
| fail-fast: false | ||
| matrix: | ||
| python-version: ["3.10", "3.11", "3.12"] | ||
| python-version: ["3.11", "3.12"] |
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the latest Python version is 3.14 - are we able to test and support up to that?
| "flwr>=1.29.0", | ||
| "rocrate>=0.13", | ||
| "tomli>=2.0; python_version < '3.11'", | ||
| ] |
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I recommend adding authors and maintainers to this metadata (see https://packaging.python.org/en/latest/specifications/pyproject-toml/#authors-maintainers) - so you get credit for this work! the maintainers get listed automatically on the PyPI page for the package I think
| dependencies = [ | ||
| "flwr>=1.29.0", | ||
| "rocrate>=0.13", | ||
| "tomli>=2.0; python_version < '3.11'", |
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Is this tomli line still needed if we do not support versions below 3.11?
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Release-prep for #4 (publish to PyPI). This is the code half; #4 closes once the package is actually live on PyPI.
What changed
[project]layout, so dependency constraints are preserved exactly (no caret upper-caps introduced). Addedpoetry.lockfor reproducible dev/CI.[project.urls]— Homepage / Repository / Issues → this repo.requires-python.>=3.9was never actually valid:flwrrequires>=3.10, andflwr1.31+ requires>=3.11. Set to>=3.11,<4.0— matches flwr and our dev environments, and is what lets Poetry resolve a lockfile. Hatchling never checked this; Poetry's resolver surfaced it.pip install flwrcrate; states Python ≥ 3.11; source URL points at eScienceLab.This raises the minimum Python from an (invalid) 3.9 to 3.11, dropping 3.10. Rationale: flwr 1.31+ already requires 3.11, so keeping 3.10 would pin those users to flwr ≤ 1.30. Happy to instead keep 3.10 with split flwr constraints if we want to preserve it — flagging since it's a public support change.
Verification
poetry build→ valid sdist + wheel; wheel contains onlyflwrcrate/(no tests), correct metadata (Requires-Python: >=3.11,<4.0, MIT, all URLs).from flwrcrate import FLCrateTrackerOK).Part of #4