Add PythonFunctionComponent to langflow utilities

src/backend/langflow/components/utilities/PythonFunction.py

@@ -0,0 +1,24 @@
+from typing import Callable
+
+from langflow import CustomComponent
+from langflow.field_typing import Code
+from langflow.interface.custom.utils import get_function
+
+
+class PythonFunctionComponent(CustomComponent):
+    display_name = "Python Function"
+    description = "Define a Python function."
+
+    def build_config(self):
+        return {
+            "function_code": {
+                "display_name": "Code",
+                "info": "The code for the function.",
+                "show": True,
+            },
+        }
+
+    def build(self, function_code: Code) -> Callable:
+        self.status = function_code
+        func = get_function(function_code)
+        return func