77 lines
1.6 KiB
Nix

{
lib,
buildPythonPackage,
fetchFromGitHub,
# build-system
poetry-core,
# dependencies
langchain-core,
langchain-community,
# testing
langchain-tests,
pytestCheckHook,
# passthru
gitUpdater,
}:
buildPythonPackage rec {
pname = "langchain-experimental";
version = "0.3.4";
pyproject = true;
src = fetchFromGitHub {
owner = "langchain-ai";
repo = "langchain-experimental";
tag = "libs/experimental/v${version}";
hash = "sha256-KgGfJfxHOfpwVVo/OcbOjiO5pbxoDE1MiyKqUwsqfIg=";
};
sourceRoot = "${src.name}/libs/experimental";
patches = [
# Remove it when https://github.com/langchain-ai/langchain-experimental/pull/58 is merged and released
./001-avoid-check-fullpath.patch
];
build-system = [
poetry-core
];
pythonRelaxDeps = [
# Each component release requests the exact latest core.
# That prevents us from updating individual components.
"langchain-core"
"langchain-community"
];
dependencies = [
langchain-core
langchain-community
];
nativeCheckInputs = [
langchain-tests
pytestCheckHook
];
pytestFlagsArray = [ "tests/unit_tests" ];
pythonImportsCheck = [ "langchain_experimental" ];
passthru.updateScript = gitUpdater {
rev-prefix = "libs/experimental/v";
};
meta = {
changelog = "https://github.com/langchain-ai/langchain-experimental/releases/tag/${src.tag}";
description = "Package add experimental features on LangChain";
homepage = "https://github.com/langchain-ai/langchain-experimental/tree/main/libs/experimental";
license = lib.licenses.mit;
maintainers = with lib.maintainers; [ mrdev023 ];
};
}