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nixpkgs/pkgs/development/python-modules/exceptiongroup/default.nix
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Nix

{
lib,
buildPythonPackage,
fetchFromGitHub,
flit-scm,
pytestCheckHook,
pythonAtLeast,
pythonOlder,
typing-extensions,
}:
buildPythonPackage rec {
pname = "exceptiongroup";
version = "1.3.1";
pyproject = true;
src = fetchFromGitHub {
owner = "agronholm";
repo = "exceptiongroup";
tag = version;
hash = "sha256-3WInufN+Pp6vB/Gik6e8V1a34Dr/oiH3wDMB+2lHRMM=";
};
build-system = [ flit-scm ];
dependencies = lib.optionals (pythonOlder "3.13") [ typing-extensions ];
nativeCheckInputs = [ pytestCheckHook ];
doCheck = pythonAtLeast "3.11"; # infinite recursion with pytest
disabledTests = lib.optionals (pythonAtLeast "3.14") [
# RecursionError not raised
"test_deep_split"
"test_deep_subgroup"
];
pythonImportsCheck = [ "exceptiongroup" ];
meta = {
description = "Backport of PEP 654 (exception groups)";
homepage = "https://github.com/agronholm/exceptiongroup";
changelog = "https://github.com/agronholm/exceptiongroup/blob/${version}/CHANGES.rst";
license = with lib.licenses; [ mit ];
maintainers = with lib.maintainers; [ fab ];
};
}