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Mirrors the merged build-pillow-heif.yml, adapted for pi-heif's system-libs (no x265) build: overlays pi-heif/ and runs transform_to-pi_heif.py the way upstream's wheels-pi_heif.yml does, and sets PH_LIGHT_ACTION=1 so build_libs.py skips x265. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Az13NcXsVZzzxXmaxxUEy7
cibuildwheel 4.2.0 rejects pillow_heif v1.4.0's [tool.cibuildwheel]
enable list ("Failed to parse enable group. Unknown enable group:
cpython-freethreading"), which fails every interpreter before any
build step runs. Carries the same fix upstream shipped in v1.5.0.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Az13NcXsVZzzxXmaxxUEy7
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pi-heif1.4.0Compiles the
_pi_heifC extension against libde265 and libheif (built from source, no x265), built from the same pillow_heif sources aspillow-heiftransformed to the system-libs Raspberry-Pi variant. Upstream publishes no riscv64 wheel.Mirrors upstream's
wheels-pi_heif.ymlLinux job, reusingbuild-pillow-heif.yml's shape.Differs from upstream
cmake==3.31.6pin — no riscv64 cmake wheel below 4.1.0; the image ships 4.4.2.PIP_EXTRA_INDEX_URLadded — Pillow resolves from our registry.Testing
License: Wheel bundles libde265 and libheif (both LGPL-3.0); upstream already ships licence text for them via
LICENSES_bundled.txt.Patches
0001-pyproject-drop-the-removed-cpython-freethreading-enable-group.patch- Backport upstream's v1.5.0 fix. Without it cibuildwheel 4.2.0 refuses to parsepyproject.toml, failing every interpreter before any build step. Reproduces off riscv64.