{ buildPythonPackage, cython, fetchFromGitHub, isPy38, lib, lz4, numpy, pandas, pytestCheckHook, python-dateutil, python-snappy, pythonOlder, zlib-ng, zstandard, }: buildPythonPackage rec { pname = "fastavro"; version = "1.9.5"; format = "setuptools"; disabled = pythonOlder "3.6"; src = fetchFromGitHub { owner = pname; repo = pname; rev = "refs/tags/${version}"; hash = "sha256-rw0kTSROCFthjo8SrLevBiACNaKpKWcZfIYoc89Q3eM="; }; preBuild = '' export FASTAVRO_USE_CYTHON=1 ''; nativeBuildInputs = [ cython ]; passthru.optional-dependencies = { codecs = [ lz4 python-snappy zstandard ]; snappy = [ python-snappy ]; zstandard = [ zstandard ]; lz4 = [ lz4 ]; }; nativeCheckInputs = [ numpy pandas pytestCheckHook python-dateutil zlib-ng ] ++ lib.flatten (lib.attrValues passthru.optional-dependencies); # Fails with "AttributeError: module 'fastavro._read_py' has no attribute # 'CYTHON_MODULE'." Doesn't appear to be serious. See https://github.com/fastavro/fastavro/issues/112#issuecomment-387638676. disabledTests = [ "test_cython_python" ]; # CLI tests are broken on Python 3.8. See https://github.com/fastavro/fastavro/issues/558. disabledTestPaths = lib.optionals isPy38 [ "tests/test_main_cli.py" ]; pythonImportsCheck = [ "fastavro" ]; meta = with lib; { description = "Fast read/write of AVRO files"; mainProgram = "fastavro"; homepage = "https://github.com/fastavro/fastavro"; changelog = "https://github.com/fastavro/fastavro/blob/${version}/ChangeLog"; license = licenses.mit; maintainers = with maintainers; [ samuela ]; }; }