🔧 chore(.gitignore): add /tmp/* to the gitignore file to exclude temporary files from version control

✨ feat(endpoints.py): add new endpoint to load custom components from a specified path
📦 feat(load_custom_component_from_path.py): add new module to load custom components from a directory path
🔧 chore(types.py): add function to build and validate custom components from a directory path

.gitignore

@@ -251,3 +251,5 @@ langflow.db
 
 # docusaurus
 .docusaurus/
+
+/tmp/*

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

@@ -1,5 +1,6 @@
 from http import HTTPStatus
 from typing import Optional
+
 from langflow.cache.utils import save_uploaded_file
 from langflow.database.models.flow import Flow
 from langflow.processing.process import process_graph_cached, process_tweaks
@@ -16,10 +17,11 @@ from langflow.api.v1.schemas import (
 )
 
 from langflow.interface.types import (
+    build_langchain_types_dict,
     build_langchain_template_custom_component,
+    build_langchain_custom_component_list_from_path,
 )
 
-from langflow.interface.types import build_langchain_types_dict
 from langflow.database.base import get_session
 from sqlmodel import Session
 
@@ -32,7 +34,26 @@ def get_all():
     return build_langchain_types_dict()
 
 
+@router.get("/load_custom_component_from_path")
+def get_load_custom_component_from_path(path: str):
+    return build_langchain_custom_component_list_from_path(path)
+
+
+@router.get("/load_custom_component_from_path_TEST")
+def get_load_custom_component_from_path_test(path: str):
+    from langflow.interface.custom.load_custom_component_from_path import (
+        DirectoryReader,
+    )
+
+    reader = DirectoryReader(path, False)
+    file_list = reader.get_files()
+
+    return reader.build_component_menu_list(file_list)
+
+
 # For backwards compatibility we will keep the old endpoint
+
+
 @router.post("/predict/{flow_id}", response_model=ProcessResponse)
 @router.post("/process/{flow_id}", response_model=ProcessResponse)
 async def process_flow(

src/backend/langflow/interface/custom/load_custom_component_from_path.py

@@ -30,13 +30,13 @@ class StringCompressor:
 
 
 class DirectoryReader:
-    def __init__(self, directory_path, compress_code=False):
+    def __init__(self, directory_path, compress_code_field=False):
         """
         Initialize DirectoryReader with a directory path
         and a flag indicating whether to compress the code.
         """
         self.directory_path = directory_path
-        self.compress_code = compress_code
+        self.compress_code_field = compress_code_field
 
     def is_empty_file(self, file_content):
         """
@@ -115,7 +115,7 @@ class DirectoryReader:
         elif not self.validate_build(file_content):
             return False, "Missing build function"
         else:
-            if self.compress_code:
+            if self.compress_code_field:
                 file_content = str(self.compress_string(file_content))
 
             return True, file_content

src/backend/langflow/interface/types.py

@@ -20,6 +20,8 @@ from langflow.template.field.base import TemplateField
 from langflow.template.frontend_node.tools import CustomComponentNode
 from langflow.interface.retrievers.base import retriever_creator
 
+from langflow.interface.custom.load_custom_component_from_path import DirectoryReader
+
 import re
 import warnings
 import traceback
@@ -233,3 +235,19 @@ def build_langchain_template_custom_component(custom_component: CustomComponent)
         frontend_node.get("base_classes").append(base_class)
 
     return frontend_node
+
+
+def build_langchain_custom_component_list_from_path(path: str):
+    # Load all files from Path
+    reader = DirectoryReader(path, False)
+    file_list = reader.get_files()
+
+    # Build and validate all files
+    data = reader.build_component_menu_list(file_list)
+
+    raw_code = data.get("menu")[0].get("components")[0].get("code")
+
+    extractor = CustomComponent(code=raw_code)
+    extractor.is_check_valid()
+
+    return build_langchain_template_custom_component(extractor)