Install this version:
emerge -a =dev-python/pillow-heif-1.8.0If this version is masked, you can unmask it using the autounmask tool or standard emerge options:
autounmask =dev-python/pillow-heif-1.8.0Or alternatively:
emerge --autounmask-write -a =dev-python/pillow-heif-1.8.0# Copyright 2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
DISTUTILS_EXT=1
DISTUTILS_USE_PEP517=setuptools
PYPI_PN="pillow_heif"
PYTHON_COMPAT=( python3_{12..14} )
inherit distutils-r1 pypi
DESCRIPTION="Pillow plugin for HEIF/HEIC/AVIF images, backed by libheif"
HOMEPAGE="
https://github.com/bigcat88/pillow_heif/
https://pypi.org/project/pillow-heif/
"
LICENSE="BSD"
SLOT="0"
KEYWORDS="~amd64 ~arm64"
# _pillow_heif.c refuses to compile below LIBHEIF_HAVE_VERSION(1,23,4).
# setup.py locates the system libheif through pkg-config; the bundled
# libheif/build_libs.py is only used for upstream's wheel CI and is never
# called on Linux.
DEPEND="
>=media-libs/libheif-1.23.4:=
"
RDEPEND="
${DEPEND}
>=dev-python/pillow-11.1.0[${PYTHON_USEDEP}]
"
BDEPEND="
virtual/pkgconfig
test? (
dev-python/defusedxml[${PYTHON_USEDEP}]
dev-python/packaging[${PYTHON_USEDEP}]
)
"
EPYTEST_PLUGINS=()
distutils_enable_tests pytest
python_test() {
# leaks_test needs pympler and measures process RSS, which is noise
# under the sandbox.
epytest --ignore tests/leaks_test.py
}
>=media-libs/libheif-1.23.4:=
>=media-libs/libheif-1.23.4:= >=dev-python/pillow-11.1.0[]
virtual/pkgconfig test? ( dev-python/defusedxml[] dev-python/packaging[] )