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## Support Python wheel build This PR modernizes the Python packaging for MSCCL++ by defining dependencies and optional extras in `pyproject.toml`, enabling proper wheel builds with `pip install ".[cuda12]"`. ### Changes **`pyproject.toml`** - Add `dependencies` (numpy, blake3, pybind11, sortedcontainers) - Add `optional-dependencies` for platform-specific CuPy (`cuda11`, `cuda12`, `cuda13`, `rocm6`), `benchmark`, and `test` extras - Bump minimum Python version from 3.8 to 3.10 **`test/deploy/setup.sh`** - Use `pip install ".[<platform>,benchmark,test]"` instead of separate `pip install -r requirements_*.txt` + `pip install .` steps - Add missing CUDA 13 case **`docs/quickstart.md`** - Update install instructions to use extras (e.g., `pip install ".[cuda12]"`) - Document all available extras and clarify that `rocm6` builds CuPy from source - Update Python version references to 3.10 **`python/csrc/CMakeLists.txt`**, **`python/test/CMakeLists.txt`** - Update `find_package(Python)` from 3.8 to 3.10 ### Notes - The `requirements_*.txt` files are kept for Docker base image builds where only dependencies (not the project itself) should be installed. - CuPy is intentionally not in base dependencies — users must specify a platform extra to get the correct pre-built wheel (or source build for ROCm). --------- Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com> Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
How to build docs
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Install
doxygen.$ sudo apt-get install doxygen graphviz -
Install Python packages below. If you install them on the user's local, you need to include
~/.local/binto$PATH(to usesphinx-build).$ sudo python3 -m pip install -r ./requirements.txt -
Create Doxygen documents.
$ doxygen -
Create Sphinx documents.
$ make html -
Done. The HTML files will be on
_build/directory.