{ stdenv
, buildPythonPackage
, fetchPypi
, enum34
, google_api_core
, pytest
}:

buildPythonPackage rec {
  pname = "google-cloud-redis";
  version = "0.2.0";

  src = fetchPypi {
    inherit pname version;
    sha256 = "c0fa00cafbce3e9a0e35fb7f9d754ac70b450b6496c62c20bb3a1f500aeca9e4";
  };

  checkInputs = [ pytest ];
  propagatedBuildInputs = [ enum34 google_api_core ];

  # requires old version of google-api-core (override)
  preBuild = ''
    sed -i "s/'google-api-core\[grpc\] >= 0.1.0, < 0.2.0dev'/'google-api-core'/g" setup.py
    sed -i "s/google-api-core\[grpc\]<0.2.0dev,>=0.1.0/google-api-core/g" google_cloud_redis.egg-info/requires.txt
  '';

  checkPhase = ''
    pytest tests/unit
  '';

  meta = with stdenv.lib; {
    description = "Google Cloud Memorystore for Redis API client library";
    homepage = https://github.com/GoogleCloudPlatform/google-cloud-python;
    license = licenses.asl20;
    maintainers = [ maintainers.costrouc ];
  };
}