dev-python/msgspec: new package, add 0.19.0

New dependency of dev-util/cvise (live). No py3.14 yet: there's an
upstream PR to fix the annotation issue but there's another refcount
one (and fixing/working around that on our end involves a large sed).

Signed-off-by: Sam James <sam@gentoo.org>

1 files changed, 55 insertions, 0 deletions

diff --git a/dev-python/msgspec/msgspec-0.19.0.ebuild b/dev-python/msgspec/msgspec-0.19.0.ebuild
new file mode 100644
index 000000000000..0d32d9479c8b
--- /dev/null
+++ b/dev-python/msgspec/msgspec-0.19.0.ebuild
@@ -0,0 +1,55 @@
+# Copyright 2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_EXT=1
+DISTUTILS_USE_PEP517=setuptools
+PYTHON_COMPAT=( python3_{11..13} )
+
+inherit distutils-r1 pypi
+
+DESCRIPTION="Fast serialization and validation library, with builtin support for many formats"
+HOMEPAGE="
+	https://jcristharif.com/msgspec/
+	https://github.com/jcrist/msgspec
+	https://pypi.org/project/msgspec/
+"
+# No tests in sdist
+SRC_URI="https://github.com/jcrist/msgspec/archive/refs/tags/${PV}.tar.gz -> ${P}.gh.tar.gz"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64"
+
+BDEPEND="
+	dev-python/cython[${PYTHON_USEDEP}]
+	dev-python/versioneer[${PYTHON_USEDEP}]
+	test? (
+		dev-python/attrs[${PYTHON_USEDEP}]
+		dev-python/msgpack[${PYTHON_USEDEP}]
+		dev-python/pyyaml[${PYTHON_USEDEP}]
+	)
+"
+
+EPYTEST_IGNORE=(
+	# Lint tests
+	tests/test_cpylint.py
+	tests/test_mypy.py
+	tests/test_pyright.py
+)
+
+EPYTEST_PLUGINS=()
+
+distutils_enable_tests pytest
+
+src_prepare() {
+	# remove outdated bundled versioneer
+	rm versioneer.py || die
+	distutils-r1_src_prepare
+}
+
+python_test() {
+	rm -rf msgspec || die
+	epytest
+}