🐛 fix(utils.py): add function merge_nested_dicts_with_renaming to handle merging nested dictionaries with renaming of keys

🐛 fix(endpoints.py): update import statement to import merge_nested_dicts_with_renaming from utils.py
🐛 fix(endpoints.py): update function call to merge_nested_dicts_with_renaming to handle merging of native and custom components
🐛 fix(types.py): remove unused import statement for merge_nested_dicts from utils.py

src/backend/langflow/api/utils.py

@@ -66,3 +66,30 @@ def merge_nested_dicts(dict1, dict2):
         else:
             dict1[key] = value
     return dict1
+
+
+def merge_nested_dicts_with_renaming(dict1, dict2):
+    for key, value in dict2.items():
+        if (
+            key in dict1
+            and isinstance(value, dict)
+            and isinstance(dict1.get(key), dict)
+        ):
+            for sub_key, sub_value in value.items():
+                if sub_key in dict1[key]:
+                    new_key = get_new_key(dict1[key], sub_key)
+                    dict1[key][new_key] = sub_value
+                else:
+                    dict1[key][sub_key] = sub_value
+        else:
+            dict1[key] = value
+    return dict1
+
+
+def get_new_key(dictionary, original_key):
+    counter = 1
+    new_key = original_key + " (" + str(counter) + ")"
+    while new_key in dictionary:
+        counter += 1
+        new_key = original_key + " (" + str(counter) + ")"
+    return new_key

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

@@ -18,7 +18,7 @@ from langflow.api.v1.schemas import (
     CustomComponentCode,
 )
 
-from langflow.api.utils import merge_nested_dicts
+from langflow.api.utils import merge_nested_dicts_with_renaming
 
 from langflow.interface.types import (
     build_langchain_types_dict,
@@ -54,11 +54,13 @@ def get_all():
                 f"Loading {len(custom_component_dict[category])} component(s) from category {category}"
             )
             logger.debug(custom_component_dict)
-            custom_components_from_file = merge_nested_dicts(
+            custom_components_from_file = merge_nested_dicts_with_renaming(
                 custom_components_from_file, custom_component_dict
             )
 
-    return merge_nested_dicts(native_components, custom_components_from_file)
+    return merge_nested_dicts_with_renaming(
+        native_components, custom_components_from_file
+    )
 
 
 # For backwards compatibility we will keep the old endpoint

src/backend/langflow/interface/types.py

@@ -30,7 +30,6 @@ from langflow.interface.retrievers.base import retriever_creator
 from langflow.interface.custom.directory_reader import DirectoryReader
 from langflow.utils.logger import logger
 from langflow.utils.util import get_base_classes
-from langflow.api.utils import merge_nested_dicts
 
 import re
 import warnings