Add constants for Langflow base module

src/backend/base/langflow/base/constants.py

@@ -1 +1,27 @@
+"""
+This module contains constants used in the Langflow base module.
+
+Constants:
+- STREAM_INFO_TEXT: A string representing the information about streaming the response from the model.
+- NODE_FORMAT_ATTRIBUTES: A list of attributes used for formatting nodes.
+- FIELD_FORMAT_ATTRIBUTES: A list of attributes used for formatting fields.
+"""
 STREAM_INFO_TEXT = "Stream the response from the model. Streaming works only in Chat."
+
+NODE_FORMAT_ATTRIBUTES = ["beta", "icon", "display_name", "description"]
+
+
+FIELD_FORMAT_ATTRIBUTES = [
+    "info",
+    "display_name",
+    "required",
+    "list",
+    "multiline",
+    "fileTypes",
+    "password",
+    "input_types",
+    "title_case",
+    "real_time_refresh",
+    "refresh_button",
+    "refresh_button_text",
+]