python312Packages.langchain-ollama: init at 0.2.0 (#343125)

Author: natsukium

pkgs/development/python-modules/langchain-ollama/default.nix

@@ -0,0 +1,68 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+
+  # build-system
+  poetry-core,
+
+  # dependencies
+  langchain-core,
+  ollama,
+
+  # testing
+  langchain-standard-tests,
+  pytestCheckHook,
+  pytest-asyncio,
+  syrupy,
+
+  nix-update-script,
+}:
+
+buildPythonPackage rec {
+  pname = "langchain-ollama";
+  version = "0.2.0";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "langchain-ai";
+    repo = "langchain";
+    rev = "refs/tags/langchain-ollama==${version}";
+    hash = "sha256-NtlJqIevdaoOO4oDqKsL4OFbw8tHb3FjV9LrTytOGKE=";
+  };
+
+  sourceRoot = "${src.name}/libs/partners/ollama";
+
+  build-system = [ poetry-core ];
+
+  dependencies = [
+    langchain-core
+    ollama
+  ];
+
+  nativeCheckInputs = [
+    langchain-standard-tests
+    pytestCheckHook
+    pytest-asyncio
+    syrupy
+  ];
+
+  pytestFlagsArray = [ "tests/unit_tests" ];
+
+  pythonImportsCheck = [ "langchain_ollama" ];
+
+  passthru.updateScript = nix-update-script {
+    extraArgs = [
+      "--version-regex"
+      "langchain-ollama==(.*)"
+    ];
+  };
+
+  meta = {
+    changelog = "https://github.com/langchain-ai/langchain/releases/tag/langchain-ollama==${version}";
+    description = "Integration package connecting Ollama and LangChain";
+    homepage = "https://github.com/langchain-ai/langchain/tree/master/libs/partners/ollama";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ sarahec ];
+  };
+}

pkgs/top-level/python-packages.nix

@@ -6825,6 +6825,8 @@ self: super: with self; {
 
   langchain-mongodb = callPackage ../development/python-modules/langchain-mongodb { };
 
+  langchain-ollama = callPackage ../development/python-modules/langchain-ollama { };
+
   langchain-openai = callPackage ../development/python-modules/langchain-openai { };
 
   langchain-standard-tests = callPackage ../development/python-modules/langchain-standard-tests { };