python3Packages.langchain-perplexity: init at 0.1.1

homepage: https://github.com/langchain-ai/langchain/tree/master/libs/partners/perplexity

changelog: https://github.com/langchain-ai/langchain/releases/tag/langchain-perplexity%3D%3D0.1.1

pkgs/development/python-modules/langchain-core/update.sh

@@ -14,6 +14,7 @@ declare -ar packages=(
     langchain-mongodb
     langchain-ollama
     langchain-openai
+    langchain-perplexity
     langchain-tests
     langchain-text-splitters
 )

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

@@ -0,0 +1,77 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  nix-update-script,
+
+  # build-system
+  pdm-backend,
+
+  # dependencies
+  langchain-core,
+  openai,
+
+  # tests
+  langchain-tests,
+  pytest-asyncio,
+  pytest-cov,
+  pytest-mock,
+  pytestCheckHook,
+}:
+
+buildPythonPackage rec {
+  pname = "langchain-perplexity";
+  version = "0.1.1";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "langchain-ai";
+    repo = "langchain";
+    tag = "langchain-perplexity==${version}";
+    hash = "sha256-s20AnDsyLCzpG45QqgZp0WzlbdVrHNfpUQsMPUaF1qs=";
+  };
+
+  sourceRoot = "${src.name}/libs/partners/perplexity";
+
+  build-system = [ pdm-backend ];
+
+  dependencies = [
+    langchain-core
+    openai
+  ];
+
+  pythonRelaxDeps = [
+    # Each component release requests the exact latest core.
+    # That prevents us from updating individual components.
+    "langchain-core"
+  ];
+
+  nativeCheckInputs = [
+    langchain-tests
+    pytest-asyncio
+    pytest-cov
+    pytest-mock
+    pytestCheckHook
+  ];
+
+  pytestFlagsArray = [ "tests/unit_tests" ];
+
+  pythonImportsCheck = [ "langchain_perplexity" ];
+
+  passthru.updateScript = nix-update-script {
+    extraArgs = [
+      "--version-regex"
+      "langchain-perplexity==([0-9.]+)"
+    ];
+  };
+
+  meta = {
+    changelog = "https://github.com/langchain-ai/langchain-perplexity/releases/tag/langchain-perplexity==${version}";
+    description = "Build LangChain applications with Perplexity";
+    homepage = "https://github.com/langchain-ai/langchain/tree/master/libs/partners/perplexity";
+    license = lib.licenses.mit;
+    maintainers = [
+      lib.maintainers.sarahec
+    ];
+  };
+}

pkgs/top-level/python-packages.nix

@@ -7542,6 +7542,8 @@ self: super: with self; {
 
   langchain-openai = callPackage ../development/python-modules/langchain-openai { };
 
+  langchain-perplexity = callPackage ../development/python-modules/langchain-perplexity { };
+
   langchain-tests = callPackage ../development/python-modules/langchain-tests { };
 
   langchain-text-splitters = callPackage ../development/python-modules/langchain-text-splitters { };