feat: multi-Python CI and callback serialization#95
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Implement to_dict/from_dict on Callback base class using a "module:ClassName" type marker (_callback_type) for dynamic dispatch. Any Callback subclass — built-in or third-party — can now round-trip through JSON without a hardcoded registry. - Callback.to_dict() emits _callback_type with fully-qualified class path - Callback.from_dict() dynamically imports and instantiates the correct subclass, delegating to overridden from_dict when present - CostModel.to_dict() injects _callback_type alongside existing _type - CostModel.from_dict() strips both markers before construction - MlflowCallback gains to_dict/from_dict (replaces NotImplementedError stubs) - _RunConfig.save()/load() now serialize and restore callbacks - Replace old Callback base tests with serialization round-trip tests
- Add uv constraint-dependencies to cap onnxruntime<1.24 and gevent<25.5 on Python 3.10 (newer versions dropped cp310 wheels) - Set default-groups to exclude heavy dev group (sagemaker) from test runs - Rewrite multiline f-string in heatmap.py to 3.10-compatible syntax - Replace standalone mock package imports with stdlib unittest.mock
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Add CI workflow (.github/workflows/ci.yml) with lint and test jobs. The test matrix is dynamically derived from pyproject.toml classifiers, so adding/removing a Python version only requires updating one file. Uses actions/checkout@v7 and astral-sh/[email protected] (Node.js 22+). setup-uv handles Python installation directly, no setup-python needed. Also add trove classifiers to pyproject.toml.
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- Set dummy AWS credentials and region in test step env - Add ruff, bandit, and ipykernel to test dependency group
- Scope ruff/format to llmeter/ and tests/ (skip example notebooks) - Add ruff, bandit, ipykernel to test dependency group - Fix abstract class error message match for Python 3.10 - Add audio/wave MIME type support in OpenAI endpoint - Handle missing task.cancelling() on Python 3.10 - Remove unused imports and variables in tests
- Full Python version matrix (from classifiers) on pull_request - Lint + Python 3.12 tests only on push to main - Skip CI entirely for docs-only changes (docs/**, *.md)
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Summary
.github/workflows/ci.ymlwith lint (ruff, bandit) and test jobs. The test matrix is dynamically derived frompyproject.tomlclassifiers, so adding/removing a Python version only requires updating one file.mockimports withunittest.mock.to_dict/from_dictonCallbackbase class using a_callback_typemarker ("module:ClassName") for dynamic dispatch. Any Callback subclass—built-in or third-party—can now round-trip through JSON without a hardcoded registry._RunConfig.save()/load()now serialize and restore callbacks.Test plan
uv run pytest --cov=llmeter -m "not integ"passes (921 tests, 89% coverage)