Raise Python floor to 3.11; upgrade titiler.core 2.x / rio-tiler 9.x#29
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…er 9.x Raise requires-python to >=3.11, bump titiler.core to >=2.0,<3.0 and rio-tiler to >=9.0,<10.0, and drop the Python 3.10 back-compat scaffolding now that 3.10 is unsupported: - pyproject.toml: new floor, drop the 3.10 classifier, remove the typing-extensions conditional dependency. - modeler.py: import assert_never directly from typing; remove the sys.version_info guard and the now-unused import sys. - tests/test_modeler.py: drop the now-unnecessary numpy type: ignore and its stale 3.10/numpy-2.2.6 workaround docstring. - docs/04-modeler-converter-design.md: update the version-guard prose and code snippet to reflect the stdlib-only assert_never import. Re-locking on >=3.11 also collapses the ucumvert/pint dependency fork that split on a python_full_version == '3.10.*' marker, resolving the recurring Dependabot uv update failure. Closes #27 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
emmanuelmathot
approved these changes
Jun 29, 2026
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Closes #27.
Raises the project's Python floor from
>=3.10to>=3.11, upgradestitiler.coreto 2.x andrio-tilerto 9.x, and removes the Python 3.10 back-compat scaffolding that floor unblocks.Changes
pyproject.toml—requires-python = ">=3.11"; drop theProgramming Language :: Python :: 3.10classifier;titiler.core>=2.0,<3.0;rio-tiler>=9.0,<10.0; remove thetyping-extensions ; python_version < '3.11'conditional dependency.uv.lock— re-resolved on>=3.11(rio-tiler 9.3.0, titiler-core 2.0.5, numpy 2.4.4).src/titiler_covjson/modeler.py— importassert_neverdirectly fromtyping; remove thesys.version_infoguard and the now-unusedimport sys.tests/test_modeler.py— drop the now-unnecessary numpy# type: ignoreand its stale 3.10/numpy-2.2.6 workaround docstring.docs/04-modeler-converter-design.md— update the version-guard prose and code snippet to reflect the stdlib-onlyassert_neverimport.Notes
pyproject.tomlclassifiers, so dropping the 3.10 classifier automatically removes it from both matrices.>=3.11collapses theucumvert/pintfork that split on apython_full_version == '3.10.*'marker (the cause of the weekly Dependabot resolution error).titiler.coreis not imported anywhere yet; the onlyrio-tilersurface (ImageData/Infofields) is unchanged across the 8.x/9.x breaking changes. Validated by the full suite (251 tests incl. doctests),mypy --strict,ruff check, andruff format --check, all green.Out of scope
The consumer type-surface test (matrixed-mypy smoke-test of the public API) is unblocked by this change but tracked separately.
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