Modernize packaging and continuous integration - #62
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…aging details - ci.yml: two Linux legs (Python 3.10 + minimum deps via requirements-min.txt constraints, Python 3.14 + latest deps); drop the mac/windows legs and the build/twine/wheel steps; trigger push CI only on main so staging PRs from dev don't run everything twice; quality job now runs ruff only - requirements-min.txt: pip constraints pinning the declared floors for the minimum-deps CI job (numpy held at 1.21.*, since pandas 1.5 predates NumPy 2 and breaks if the resolver pairs them) - pyproject.toml: declare numpy>=1.21; single-source the version from orca.__version__, bumped to 1.9.dev0 to distinguish dev builds from the released 1.8; enable line-length checks (E5); scope the F401/F403 lint ignores to __init__.py files - orca/__init__.py: static __version__ string, so importing from an uninstalled source tree works again - orca.py: finish removing the Python 2 fallback by renaming the getargspec alias to getfullargspec; document that copy_col=False columns no longer write through to the table under pandas 3 copy-on-write - orca/utils/testing.py: remove an unused numpy import - HISTORY.rst: record supported/minimum dependency versions and the pandas 3 copy_col behavior change Verified: all 74 tests pass at the exact floors (Python 3.10, pandas 1.5, NumPy 1.21, PyTables 3.8, PyToolz 0.12) and at latest (Python 3.13, pandas 3.0.5, NumPy 2.5.2); sdist and wheel build as orca-1.9.dev0.
smmaurer
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Aug 19, 2026
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Summary
Dependency compatibility policy
We propose setting a floor for dependencies based on the official Python release cycle. Python 3.9 is now EOL, so the next urbansim release will expect Python 3.10+ and associated minimum versions of Pandas, NumPy, etc.
Validation
Refs #63.