python311Packages.langchain-core: add updateScript

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

@@ -52,6 +52,10 @@ buildPythonPackage rec {
   # PyPI source does not have tests
   doCheck = false;
 
+  passthru = {
+    updateScript = langchain-core.updateScript;
+  };
+
   meta = with lib; {
     description = "Community contributed LangChain integrations";
     homepage = "https://github.com/langchain-ai/langchain/tree/master/libs/community";

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

@@ -13,6 +13,7 @@
   pyyaml,
   requests,
   tenacity,
+  writeScript,
 }:
 
 buildPythonPackage rec {
@@ -53,6 +54,19 @@ buildPythonPackage rec {
   # PyPI source does not have tests
   doCheck = false;
 
+  passthru = {
+    updateScript = writeScript "update.sh" ''
+      #!/usr/bin/env nix-shell
+      #!nix-shell -i bash -p nix-update
+
+      set -eu -o pipefail
+      nix-update --commit --version-regex 'langchain-core==(.*)' python3Packages.langchain-core
+      nix-update --commit --version-regex 'langchain-text-splitters==(.*)' python3Packages.langchain-text-splitters
+      nix-update --commit --version-regex 'langchain==(.*)' python3Packages.langchain
+      nix-update --commit --version-regex 'langchain-community==(.*)' python3Packages.langchain-community
+    '';
+  };
+
   meta = with lib; {
     description = "Building applications with LLMs through composability";
     homepage = "https://github.com/langchain-ai/langchain/tree/master/libs/core";

pkgs/development/python-modules/langchain-text-splitters/default.nix

@@ -33,6 +33,10 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "langchain_text_splitters" ];
 
+  passthru = {
+    inherit (langchain-core) updateScript;
+  };
+
   meta = with lib; {
     description = "Build context-aware reasoning applications";
     homepage = "https://github.com/langchain-ai/langchain/tree/master/libs/text-splitters";

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

@@ -166,6 +166,10 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "langchain" ];
 
+  passthru = {
+    updateScript = langchain-core.updateScript;
+  };
+
   meta = with lib; {
     description = "Building applications with LLMs through composability";
     homepage = "https://github.com/langchain-ai/langchain";