Add nanobind as an alternative Python bindings backend for oslquery - #2162
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Add nanobind as an alternative Python bindings backend for oslquery#2162lgritz wants to merge 1 commit into
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The oslquery Python module can now be built with nanobind, pybind11, or both, as selected by the CMake variable OSL_PYTHON_BINDINGS_BACKEND. When the option is unset, the backend is auto-selected: nanobind when OpenImageIO is >= 3.2 and Python is >= 3.10, pybind11 otherwise. Matching OpenImageIO's own framework keeps OSLQuery.Parameter.type interoperable with the paired OpenImageIO module. nanobind need not be installed; it is built locally when missing. Design notes are in: docs/dev/specs/003-nanobind-python-bindings/ Assisted-by: Claude Code / claude-opus-5 Signed-off-by: Larry Gritz <lg@larrygritz.com>
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The oslquery Python module can now be built with nanobind, pybind11, or both, as selected by the CMake variable OSL_PYTHON_BINDINGS_BACKEND.
When the option is unset, the backend is auto-selected: nanobind when OpenImageIO is >= 3.2 and Python is >= 3.10, pybind11 otherwise. Matching OpenImageIO's own framework keeps OSLQuery.Parameter.type interoperable with the paired OpenImageIO module. nanobind need not be installed; it is built locally when missing.
This is modelled from, and uses basically the same techniques as, the recent work done to convert OpenImageIO to nanobind
Design notes are in: docs/dev/specs/003-nanobind-python-bindings/
Assisted-by: Claude Code / claude-opus-5