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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758{ lib, buildPythonPackage, fetchFromGitHub, flit-scm, pytestCheckHook, pythonAtLeast, pythonOlder, isPy313, 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="; };
# CPython fixed https://github.com/python/cpython/issues/141732 in # https://github.com/python/cpython/pull/141736, but exceptiongroup 1.3.1, # including its test suite, still matches the old repr behavior. # The CPython fix has only been backported to 3.13 so far, where it was # first included in version 3.13.12, so we only need to patch for 3.13 # and 3.15+. # Upstream issue: https://github.com/agronholm/exceptiongroup/issues/154 patches = lib.optional (isPy313 || pythonAtLeast "3.15") ./match-repr-fix.patch;
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 ]; };}