build: Test - Ignore me - #1386
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Add RV_DEPS_PYTHON_USE_PBS (default OFF) to source RV's embedded Python from
a python-build-standalone prebuilt distribution and install PySide6 and the
native Python packages from wheels instead of compiling CPython/PySide6 from
source. This cuts build time significantly (PySide6 is the slowest component
on every platform). The default from-source path is unchanged.
Wheels are ABI-safe here: RV's C++<->PySide bridge passes Qt objects as
pointer-sized integers (rv/qtutils.py wrapInstance), so there is no C++ ABI
boundary between RV and the wheels; only Qt's ABI matters, which is satisfied
by repointing the PySide6 wheel at RV's Qt (same version). The option is
honored only for non-Debug configs because Windows Debug uses python_d, which
cannot load release wheels.
- rv_options.cmake: new RV_DEPS_PYTHON_USE_PBS option
- python3.cmake: option-gated wheel-safe extension for native packages; when
the option is on (non-Debug) include python3_pbs and skip the from-source
path. Outputs (Python::Python target, stage target, cache vars) unchanged.
- python3_pbs.cmake: fetch the pinned PBS asset, pip install requirements_pbs,
run adapt_pbs_python.py; fails loudly if RV's Qt location is unset.
- adapt_pbs_python.py: Windows layout fix, sitecustomize injection, macOS
libpython install-id relocation to @rpath, and PySide6 Qt repoint to RV's Qt.
- requirements_pbs.txt.in: wheel-based requirements incl. PySide6/shiboken6.
- CY2024/CY2025: pin PBS release 20240814 (CPython 3.11.9) + per-triple sha256.
Validated on macOS (CY2025, Qt 6.5.3): PBS fetch, wheel install, Qt repoint,
libpython relocation, and a full RV link + py-interp run. Linux/Windows repoint
branches and a full runtime UI pass still need per-platform CI validation.
Signed-off-by: Cédrik Fuoco <cedrik.fuoco@autodesk.com>
Signed-off-by: Cédrik Fuoco <cedrik.fuoco@autodesk.com>
Signed-off-by: Cédrik Fuoco <cedrik.fuoco@autodesk.com>
Signed-off-by: Cédrik Fuoco <cedrik.fuoco@autodesk.com>
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