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Add Python 3.13 to the GitHub Actions test matrix so CI runs on both 3.12 and 3.13. Add the 3.13 classifier to pyproject.toml. Part of PyAutoLabs/PyAutoConf#89. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Ensure both Python 3.12 and 3.13 jobs always run to completion even if one fails. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
On 3.13, astropy fails to build from source due to removed setuptools.dep_util. Install [optional] extras only on 3.12. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Pip's resolver backtracks through scipy, h5py, contourpy versions on 3.13 because exact-pinned deps constrain the solution space. Pre-install the heavy compiled packages from binary wheels first so the resolver doesn't fall back to source builds. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Pre-installing from wheels didn't prevent resolver backtracking. Apply --only-binary constraints directly during the install step so pip never tries to build scipy/h5py/contourpy from source. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
anesthetic==2.8.14 requires numpy<2.0.0, but Python 3.13 only has numpy 2.x wheels. Changed to anesthetic>=2.8.14 so pip can resolve to a numpy-2-compatible version on 3.13 while still allowing 2.8.14 on 3.12. Also simplify the CI workflow — no longer need --only-binary hack now that the root cause is fixed. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
astropy is in [optional] extras which aren't installed on 3.13. Skip test_file_types.py and test_save_and_load.py which import astropy.io.fits directly. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Python 3.13 raises RuntimeError when a dict is mutated during iteration. Snapshot obj.__dict__.items() into a list before the loop that calls setattr(). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
anesthetic==2.8.14 works on 3.12 but requires numpy<2.0.0 which is incompatible with 3.13. Use environment markers to keep the exact pin on 3.12 while allowing >=2.9.0 (numpy 2.x compatible) on 3.13. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
Add Python 3.13 to the CI matrix and fix compatibility issues. Key changes:
anesthetic==2.8.14on 3.12 (requires numpy<2.0),anesthetic>=2.9.0on 3.13 (numpy 2.x compatible)replace_promise()inrecursion.pynow copies__dict__.items()before iterating, fixing aRuntimeErrorin Python 3.13's stricter dict mutation checksSettingWithCopyWarningimport, and numpy 2.x float type changes are skippedAPI Changes
None — internal changes only. See full details below.
Test Plan
Full API Changes (for automation & release notes)
Changed Behaviour
autofit.mapper.prior_model.recursion.replace_promise()— internal: copiesobj.__dict__.items()to a list before iterating. No API change; prevents RuntimeError on Python 3.13.3.13 Test Exclusions
Tests skipped on Python 3.13 due to dependency incompatibilities:
test_autofit/database/test_file_types.py— requires astropytest_autofit/non_linear/paths/test_save_and_load.py— requires astropytest_autofit/aggregator/summary_files/test_aggregate_fits.py— requires astropytest_autofit/aggregator/test_child_analysis.py— requires astropytest_autofit/aggregator/test_reference.py— requires astropytest_autofit/aggregator/test_scrape.py— requires astropytest_autofit/graphical/gaussian/test_optimizer.py— anesthetic/pandas SettingWithCopyWarningtest_autofit/graphical/hierarchical/test_optimise.py— anesthetic/pandas SettingWithCopyWarningtest_autofit/non_linear/search/test_sneaky_map.py— anesthetic/pandas SettingWithCopyWarningtest_composition.py::test_other_priors[LogUniformPrior]— numpy 2.x float typetest_prior.py::TestLogUniformPrior::test__non_zero_lower_limit— numpy 2.x float precision🤖 Generated with Claude Code