dev-python/zstandard: Disable the C backend, use CFFI

Closes: https://bugs.gentoo.org/774765
Signed-off-by: Michał Górny <mgorny@gentoo.org>

1 files changed, 39 insertions, 0 deletions

diff --git a/dev-python/zstandard/zstandard-0.15.2-r1.ebuild b/dev-python/zstandard/zstandard-0.15.2-r1.ebuild
new file mode 100644
index 000000000000..1fe9edfd1a63
--- /dev/null
+++ b/dev-python/zstandard/zstandard-0.15.2-r1.ebuild
@@ -0,0 +1,39 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{7..9} pypy3 )
+
+inherit distutils-r1
+
+DESCRIPTION="Zstandard Bindings for Python"
+HOMEPAGE="https://pypi.org/project/zstandard/ https://github.com/indygreg/python-zstandard"
+SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
+
+SLOT="0"
+LICENSE="BSD"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~ppc ~ppc64 ~riscv ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+
+DEPEND="
+	app-arch/zstd:="
+RDEPEND="${DEPEND}
+	$(python_gen_cond_dep '>=dev-python/cffi-1.14.0-r2:=[${PYTHON_USEDEP}]' 'python*')
+"
+BDEPEND="
+	test? ( dev-python/hypothesis[${PYTHON_USEDEP}] )"
+
+distutils_enable_tests setup.py
+
+src_prepare() {
+	# the C backend is repeatedly broken, so force CFFI instead
+	sed -e '/PYTHON_ZSTANDARD_IMPORT_POLICY/s:default:cffi:' \
+		-i zstandard/__init__.py || die
+
+	distutils-r1_src_prepare
+
+	mydistutilsargs=(
+		--no-c-backend
+		--system-zstd
+	)
+}