{
  lib,
  buildPythonPackage,
  fetchFromGitHub,
  pytest,
  mock,
  numpy,
  multipledispatch,
  python-dateutil,
  setuptools,
  versioneer,
}:

let
  # Fetcher function looks similar to fetchPypi.
  # Allows for easier overriding, without having to know
  # how the source is actually fetched.
  fetcher =
    {
      pname,
      version,
      sha256,
    }:
    fetchFromGitHub {
      owner = "blaze";
      repo = pname;
      rev = version;
      inherit sha256;
    };
in
buildPythonPackage rec {
  pname = "datashape";
  version = "0.5.4";

  pyproject = true;
  build-system = [
    setuptools
    versioneer
  ];

  src = fetcher {
    inherit pname version;
    sha256 = "0rhlj2kjj1vx5m73wnc5518rd6cs1zsbgpsvzk893n516k69shcf";
  };

  postPatch = ''
    # Remove vendorized versioneer.py
    rm versioneer.py
  '';

  nativeCheckInputs = [
    pytest
    mock
  ];
  dependencies = [
    numpy
    multipledispatch
    python-dateutil
  ];

  # Disable several tests
  # https://github.com/blaze/datashape/issues/232
  checkPhase = ''
    pytest --ignore datashape/tests/test_str.py \
           --ignore datashape/tests/test_user.py
  '';

  # https://github.com/blaze/datashape/issues/238
  PYTEST_ADDOPTS = "-k 'not test_record and not test_tuple'";

  meta = {
    homepage = "https://github.com/ContinuumIO/datashape";
    description = "Data description language";
    license = lib.licenses.bsd2;
  };
}