{ lib, stdenv, buildPythonPackage, fetchFromGitHub, unittestCheckHook, pythonAtLeast, pythonOlder, setuptools, werkzeug, }: buildPythonPackage rec { pname = "websockets"; version = "15.0.1"; pyproject = true; disabled = pythonOlder "3.9"; src = fetchFromGitHub { owner = "aaugustin"; repo = "websockets"; tag = version; hash = "sha256-DC1nK+TvCoCqchyWJOyT4Ul4gkTYXixu7XmTqvytqEo="; }; build-system = [ setuptools ]; disabledTests = [ # Disables tests relying on tight timeouts to avoid failures like: # File "/build/source/tests/legacy/test_protocol.py", line 1270, in test_keepalive_ping_with_no_ping_timeout # ping_1_again, ping_2 = tuple(self.protocol.pings) # ValueError: too many values to unpack (expected 2) "test_keepalive_ping_stops_when_connection_closing" "test_keepalive_ping_does_not_crash_when_connection_lost" "test_keepalive_ping" "test_keepalive_ping_not_acknowledged_closes_connection" "test_keepalive_ping_with_no_ping_timeout" ] ++ lib.optionals (pythonAtLeast "3.13") [ # https://github.com/python-websockets/websockets/issues/1569 "test_writing_in_send_context_fails" ] ++ lib.optionals (pythonOlder "3.11") [ # Our Python 3.10 and older raise SSLError instead of SSLCertVerificationError "test_reject_invalid_server_certificate" ]; nativeCheckInputs = [ unittestCheckHook werkzeug ]; preCheck = '' # https://github.com/python-websockets/websockets/issues/1509 export WEBSOCKETS_TESTS_TIMEOUT_FACTOR=100 # Disable all tests that need to terminate within a predetermined amount of # time. This is nondeterministic. sed -i 's/with self.assertCompletesWithin.*:/if True:/' \ tests/legacy/test_protocol.py ''; # Tests fail on Darwin with `OSError: AF_UNIX path too long` doCheck = !stdenv.hostPlatform.isDarwin; pythonImportsCheck = [ "websockets" ]; meta = with lib; { description = "WebSocket implementation in Python"; homepage = "https://websockets.readthedocs.io/"; changelog = "https://github.com/aaugustin/websockets/blob/${src.tag}/docs/project/changelog.rst"; license = licenses.bsd3; maintainers = with maintainers; [ fab ]; }; }