Install this version:
emerge -a =dev-python/cfn-lint-1.48.0
If this version is masked, you can unmask it using the autounmask tool or standard emerge options:
autounmask =dev-python/cfn-lint-1.48.0
Or alternatively:
emerge --autounmask-write -a =dev-python/cfn-lint-1.48.0
# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
DISTUTILS_USE_PEP517=setuptools
PYPI_VERIFY_REPO=https://github.com/aws-cloudformation/cfn-lint
PYTHON_COMPAT=( python3_{11..13} )
inherit distutils-r1 pypi
DESCRIPTION="CloudFormation Linter"
HOMEPAGE="
https://github.com/aws-cloudformation/cfn-lint/
https://pypi.org/project/cfn-lint/
"
LICENSE="MIT"
SLOT="0"
KEYWORDS="~amd64 ~arm64 ~riscv ~x86"
RDEPEND="
>=dev-python/aws-sam-translator-1.108.0[${PYTHON_USEDEP}]
dev-python/jsonpatch[${PYTHON_USEDEP}]
>=dev-python/jschema-to-python-1.2.3[${PYTHON_USEDEP}]
<dev-python/jsonschema-5[${PYTHON_USEDEP}]
>=dev-python/jsonschema-3.0[${PYTHON_USEDEP}]
dev-python/junit-xml[${PYTHON_USEDEP}]
<dev-python/networkx-4[${PYTHON_USEDEP}]
>=dev-python/pyyaml-5.4[${PYTHON_USEDEP}]
>=dev-python/regex-2021.7.1[${PYTHON_USEDEP}]
>=dev-python/sarif-om-1.0.4[${PYTHON_USEDEP}]
>=dev-python/sympy-1.0.0[${PYTHON_USEDEP}]
"
BDEPEND="
>=dev-python/setuptools-77.0.3[${PYTHON_USEDEP}]
test? (
dev-python/defusedxml[${PYTHON_USEDEP}]
)
"
EPYTEST_PLUGINS=()
distutils_enable_tests pytest
python_test() {
local EPYTEST_DESELECT=(
# different line wrapping somehow
test/unit/module/template/test_template.py::TestTemplate::test_build_graph
# requires git repo
test/unit/module/maintenance/test_update_documentation.py::TestUpdateDocumentation::test_update_docs
# TODO: suddenly started failing in older versions too
# https://github.com/aws-cloudformation/cfn-lint/issues/4207
test/integration/test_good_templates.py
test/unit/module/override/test_exclude.py::TestExclude::test_success_run
test/unit/module/test_api.py::TestLintFile::test_good_template
test/unit/module/test_rules_collections.py::TestRulesCollection::test_success_run
# crashes on 3.12+, probably pygraphviz
test/unit/module/test_api.py::TestLintByConfig::test_graph
)
# from tox.ini
local -x AWS_DEFAULT_REGION=us-east-1
epytest
}
>=dev-python/aws-sam-translator-1.108.0[] dev-python/jsonpatch[] >=dev-python/jschema-to-python-1.2.3[] <dev-python/jsonschema-5[] >=dev-python/jsonschema-3.0[] dev-python/junit-xml[] <dev-python/networkx-4[] >=dev-python/pyyaml-5.4[] >=dev-python/regex-2021.7.1[] >=dev-python/sarif-om-1.0.4[] >=dev-python/sympy-1.0.0[]
>=dev-python/setuptools-77.0.3[] test? ( dev-python/defusedxml[] )