Merge branch 'release' into dev

Makefile

@@ -35,6 +35,7 @@ format:
 	cd src/frontend && npm run format
 
 lint:
+	make install_backend
 	poetry run mypy src/backend/langflow
 	poetry run black . --check
 	poetry run ruff . --fix

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "langflow"
-version = "0.5.3"
+version = "0.5.4"
 description = "A Python package with a built-in web application"
 authors = ["Logspace <contact@logspace.ai>"]
 maintainers = [
@@ -33,7 +33,7 @@ google-search-results = "^2.4.1"
 google-api-python-client = "^2.79.0"
 typer = "^0.9.0"
 gunicorn = "^21.2.0"
-langchain = "^0.0.312"
+langchain = "^0.0.320"
 openai = "^0.27.8"
 pandas = "2.0.3"
 chromadb = "^0.3.21"

src/backend/langflow/api/v1/endpoints.py

@@ -54,9 +54,10 @@ def get_all(
 
     logger.debug("Building langchain types dict")
     try:
-        return get_all_types_dict(settings_service)
+        types_dict = get_all_types_dict(settings_service)
     except Exception as exc:
         raise HTTPException(status_code=500, detail=str(exc)) from exc
+    return types_dict
 
 
 # For backwards compatibility we will keep the old endpoint

src/backend/langflow/interface/tools/base.py

@@ -5,6 +5,7 @@ from langchain.agents.load_tools import (
     _EXTRA_OPTIONAL_TOOLS,
     _LLM_TOOLS,
 )
+from langchain.tools.python.tool import PythonInputs
 
 from langflow.custom import customs
 from langflow.interface.base import LangChainTypeCreator
@@ -161,8 +162,14 @@ class ToolCreator(LangChainTypeCreator):
         template = Template(fields=fields, type_name=tool_type)
 
         tool_params = {**tool_params, **self.type_to_loader_dict[name]["params"]}
+        template_dict = template.to_dict()
+        if (
+            "args_schema" in template_dict
+            and template_dict.get("args_schema").get("value") == PythonInputs
+        ):
+            template_dict["args_schema"]["value"] = ""
         return {
-            "template": util.format_dict(template.to_dict()),
+            "template": util.format_dict(template_dict),
             **tool_params,
             "base_classes": base_classes,
         }

src/backend/langflow/interface/utilities/base.py

@@ -28,10 +28,14 @@ class UtilityCreator(LangChainTypeCreator):
         """
         if self.type_dict is None:
             settings_service = get_settings_service()
-            self.type_dict = {
-                utility_name: import_class(f"langchain.utilities.{utility_name}")
-                for utility_name in utilities.__all__
-            }
+            self.type_dict = {}
+            for utility_name in utilities.__all__:
+                try:
+                    imported = import_class(f"langchain.utilities.{utility_name}")
+                    self.type_dict[utility_name] = imported
+                except Exception:
+                    pass
+
             self.type_dict["SQLDatabase"] = utilities.SQLDatabase
             # Filter according to settings.utilities
             self.type_dict = {

src/frontend/src/pages/ViewPage/index.tsx

@@ -1,18 +1,28 @@
 import { useContext, useEffect, useState } from "react";
 import { useParams } from "react-router-dom";
+import { darkContext } from "../../contexts/darkContext";
 import { TabsContext } from "../../contexts/tabsContext";
 import { getVersion } from "../../controllers/API";
 import Page from "../FlowPage/components/PageComponent";
 
 export default function ViewPage() {
   const { flows, tabId, setTabId } = useContext(TabsContext);
-  const { id } = useParams();
+  const { setDark } = useContext(darkContext);
+  const { id, theme } = useParams();
 
   // Set flow tab id
   useEffect(() => {
     setTabId(id!);
   }, [id]);
 
+  useEffect(() => {
+    if (theme) {
+      setDark(theme === "dark");
+    } else {
+      setDark(false);
+    }
+  }, [theme]);
+
   // Initialize state variable for the version
   const [version, setVersion] = useState("");
   useEffect(() => {

src/frontend/src/routes.tsx

@@ -44,7 +44,7 @@ const Router = () => {
           }
         />
         <Route
-          path="view"
+          path="view/:theme?"
           element={
             <ProtectedRoute>
               <ViewPage />

tests/test_prompts_template.py

@@ -96,7 +96,7 @@ def test_prompt_template(client: TestClient, logged_in_headers):
         "placeholder": "",
         "show": False,
         "multiline": False,
-        "value": True,
+        "value": False,
         "password": False,
         "name": "validate_template",
         "type": "bool",