Peder Bergebakken Sundt
107 lines
2.5 KiB
Nix
107 lines
2.5 KiB
Nix
{
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lib,
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stdenv,
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buildPythonPackage,
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fetchFromGitHub,
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freezegun,
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grandalf,
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httpx,
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jsonpatch,
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langsmith,
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numpy,
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packaging,
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poetry-core,
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pydantic,
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pytest-asyncio,
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pytest-mock,
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pytest-xdist,
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pytestCheckHook,
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pythonOlder,
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pyyaml,
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syrupy,
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tenacity,
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writeScript,
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}:
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buildPythonPackage rec {
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pname = "langchain-core";
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version = "0.2.21";
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pyproject = true;
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disabled = pythonOlder "3.8";
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src = fetchFromGitHub {
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owner = "langchain-ai";
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repo = "langchain";
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rev = "refs/tags/langchain-core==${version}";
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hash = "sha256-8qEN03iimGLnhg6TdpPal+MXBZJ/QHJKwjxRF96abBw=";
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};
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sourceRoot = "${src.name}/libs/core";
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preConfigure = ''
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ln -s ${src}/libs/standard-tests/langchain_standard_tests ./langchain_standard_tests
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substituteInPlace pyproject.toml \
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--replace-fail "path = \"../standard-tests\"" "path = \"./langchain_standard_tests\""
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'';
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build-system = [ poetry-core ];
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dependencies = [
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jsonpatch
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langsmith
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packaging
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pydantic
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pyyaml
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tenacity
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];
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pythonImportsCheck = [ "langchain_core" ];
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nativeCheckInputs = [
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freezegun
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grandalf
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httpx
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numpy
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pytest-asyncio
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pytest-mock
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pytest-xdist
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pytestCheckHook
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syrupy
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];
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pytestFlagsArray = [ "tests/unit_tests" ];
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passthru = {
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updateScript = writeScript "update.sh" ''
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#!/usr/bin/env nix-shell
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#!nix-shell -i bash -p nix-update
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set -eu -o pipefail
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nix-update --commit --version-regex 'langchain-core==(.*)' python3Packages.langchain-core
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nix-update --commit --version-regex 'langchain-text-splitters==(.*)' python3Packages.langchain-text-splitters
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nix-update --commit --version-regex 'langchain==(.*)' python3Packages.langchain
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nix-update --commit --version-regex 'langchain-community==(.*)' python3Packages.langchain-community
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'';
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};
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disabledTests = [
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# flaky, sometimes fail to strip uuid from AIMessageChunk before comparing to test value
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"test_map_stream"
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]
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++ lib.optionals stdenv.isDarwin [
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# Langchain-core the following tests due to the test comparing execution time with magic values.
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"test_queue_for_streaming_via_sync_call"
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"test_same_event_loop"
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];
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meta = {
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description = "Building applications with LLMs through composability";
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homepage = "https://github.com/langchain-ai/langchain/tree/master/libs/core";
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changelog = "https://github.com/langchain-ai/langchain/releases/tag/v${version}";
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license = lib.licenses.mit;
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maintainers = with lib.maintainers; [ natsukium ];
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};
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}
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