{ lib, buildPythonPackage, fetchPypi, rustPlatform, pyarrow, pyarrow-hotfix, openssl, stdenv, libiconv, pkg-config, polars, pytestCheckHook, pytest-benchmark, pytest-cov-stub, pytest-mock, pandas, azure-storage-blob, }: buildPythonPackage rec { pname = "deltalake"; version = "0.25.5"; format = "pyproject"; src = fetchPypi { inherit pname version; hash = "sha256-Fz5Lg/z/EPJkdK4RcWHD8r3V9EwwwgRjwktri1IOdlY="; }; cargoDeps = rustPlatform.fetchCargoVendor { inherit src; hash = "sha256-6SGVKJu01MzZxJv29PZKea+Z2YwAnvzbdDlnA4R6Az0="; }; env.OPENSSL_NO_VENDOR = 1; dependencies = [ pyarrow pyarrow-hotfix ]; buildInputs = [ openssl ] ++ lib.optionals stdenv.hostPlatform.isDarwin [ libiconv ]; nativeBuildInputs = [ pkg-config # openssl-sys needs this ] ++ (with rustPlatform; [ cargoSetupHook maturinBuildHook ]); pythonImportsCheck = [ "deltalake" ]; nativeCheckInputs = [ pytestCheckHook pandas polars pytest-benchmark pytest-cov-stub pytest-mock azure-storage-blob ]; preCheck = '' # For paths in test to work, we have to be in python dir cp pyproject.toml python/ cd python # In tests we want to use deltalake that we have built rm -rf deltalake ''; pytestFlags = [ "--benchmark-disable" ]; disabledTestMarks = [ "integration" ]; meta = with lib; { description = "Native Rust library for Delta Lake, with bindings into Python"; homepage = "https://github.com/delta-io/delta-rs"; changelog = "https://github.com/delta-io/delta-rs/blob/python-v${version}/CHANGELOG.md"; license = licenses.asl20; maintainers = with maintainers; [ kfollesdal mslingsby harvidsen andershus ]; }; }