1 files changed, 55 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/langchain-core/default.nix b/nixpkgs/pkgs/development/python-modules/langchain-core/default.nix
new file mode 100644
index 000000000000..8ac7bf9173a1
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/langchain-core/default.nix
@@ -0,0 +1,55 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pythonOlder
+, poetry-core
+, anyio
+, jsonpatch
+, langsmith
+, packaging
+, pydantic
+, pyyaml
+, requests
+, tenacity
+}:
+
+buildPythonPackage rec {
+  pname = "langchain-core";
+  version = "0.1.10";
+  pyproject = true;
+
+  disabled = pythonOlder "3.8";
+
+  src = fetchPypi {
+    pname = "langchain_core";
+    inherit version;
+    hash = "sha256-PJ4TgyZMEC/Mb4ZXANu5QWxJMaJdCsIZX2MRxrhnqhc=";
+  };
+
+  nativeBuildInputs = [
+    poetry-core
+  ];
+
+  propagatedBuildInputs = [
+    anyio
+    jsonpatch
+    langsmith
+    packaging
+    pydantic
+    pyyaml
+    requests
+    tenacity
+  ];
+
+  pythonImportsCheck = [ "langchain_core" ];
+
+  # PyPI source does not have tests
+  doCheck = false;
+
+  meta = with lib; {
+    description = "Building applications with LLMs through composability";
+    homepage = "https://github.com/langchain-ai/langchain/tree/master/libs/core";
+    license = licenses.mit;
+    maintainers = with maintainers; [ natsukium ];
+  };
+}