Install this version:
emerge -a =dev-python/tatsu-lts-5.16.0
If this version is masked, you can unmask it using the autounmask tool or standard emerge options:
autounmask =dev-python/tatsu-lts-5.16.0
Or alternatively:
emerge --autounmask-write -a =dev-python/tatsu-lts-5.16.0
# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
DISTUTILS_USE_PEP517=hatchling
PYTHON_COMPAT=( python3_{11..14} )
inherit distutils-r1 pypi
DESCRIPTION="Generates memoizing PEG/Packrat parsers in Python from an EBNF grammar"
HOMEPAGE="
https://github.com/neogeny/TatSu
https://pypi.org/project/TatSu-LTS/
"
LICENSE="BSD-4"
SLOT="0"
KEYWORDS="~amd64 ~arm64"
# Upstream declares dependencies = []; colorama (colorized output) and
# rich (the optional parproc submodule) are extras only, and the core
# parser — all beanquery needs — imports neither.
# Stock pytest only; no third-party plugins.
EPYTEST_PLUGINS=()
distutils_enable_tests pytest