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# build-system setuptools,
# dependencies cloudpickle,
# tests packaging, psutil, pytestCheckHook,}:
buildPythonPackage (finalAttrs: { pname = "loky"; version = "3.7.0"; pyproject = true; __structuredAttrs = true;
src = fetchFromGitHub { owner = "joblib"; repo = "loky"; tag = finalAttrs.version; hash = "sha256-4THM0g6H5fCHRbjyatXtalL7jeAFZKAMoUr/IIDBsX8="; };
postPatch = # `pgrep` is only packaged for Linux: on darwin, `procps` is the `unixtools` stub which merely # provides `ps`, `sysctl`, `top` and `watch`. # There, leave the lookup to PATH so that the system `/usr/bin/pgrep` is used. lib.optionalString stdenv.hostPlatform.isLinux '' substituteInPlace loky/backend/utils.py \ --replace-fail \ '"pgrep"' \ '"${lib.getExe' procps "pgrep"}"' '';
build-system = [ setuptools ];
dependencies = [ cloudpickle ];
pythonImportsCheck = [ "loky" ];
nativeCheckInputs = [ packaging psutil pytestCheckHook ];
disabledTests = [ # FileNotFoundError: [Errno 2] No such file or directory: '' "test_resource_tracker"
# Sends 2.2GB through a pipe and can exceed the 60s faulthandler timeout on busy builders "test_no_failure_on_large_data_send" ] ++ lib.optionals stdenv.hostPlatform.isDarwin [ # Flaky: AssertionError: Executor took too long to shutdown "test_first_exception_some_already_complete" # Exercises the `pgrep` fallback, which is unavailable in the darwin sandbox "test_kill_process_tree" # PermissionError: [Errno 13] Permission denied: '/tmp/foobar' "test_sync_object_handling" ];
meta = { description = "Robust and reusable Executor for joblib"; homepage = "https://github.com/joblib/loky"; changelog = "https://github.com/joblib/loky/blob/${finalAttrs.src.tag}/CHANGES.md"; license = lib.licenses.bsd3; maintainers = with lib.maintainers; [ GaetanLepage ]; };})