fix: suppress LangChainDeprecationWarning messages (#4319)

* fix: suppress LangChainDeprecationWarning messages

* fix: suppress LangChainDeprecationWarning messages

src/backend/base/langflow/components/embeddings/util/__init__.py

@@ -1,3 +1,10 @@
-from .aiml import AIMLEmbeddingsImpl
+import warnings
+
+from langchain_core._api.deprecation import LangChainDeprecationWarning
+
+with warnings.catch_warnings():
+    warnings.simplefilter("ignore", LangChainDeprecationWarning)
+    from .aiml import AIMLEmbeddingsImpl
+
 
 __all__ = ["AIMLEmbeddingsImpl"]

src/backend/base/langflow/components/tools/__init__.py

@@ -1,5 +1,7 @@
-from .astradb import AstraDBToolComponent
+import warnings
-from .astradb_cql import AstraDBCQLToolComponent
+
+from langchain_core._api.deprecation import LangChainDeprecationWarning
+
 from .bing_search_api import BingSearchAPIComponent
 from .calculator import CalculatorToolComponent
 from .duck_duck_go_search_run import DuckDuckGoSearchComponent
@@ -17,6 +19,11 @@ from .wikipedia_api import WikipediaAPIComponent
 from .wolfram_alpha_api import WolframAlphaAPIComponent
 from .yahoo_finance import YfinanceToolComponent
 
+with warnings.catch_warnings():
+    warnings.simplefilter("ignore", LangChainDeprecationWarning)
+    from .astradb import AstraDBToolComponent
+    from .astradb_cql import AstraDBCQLToolComponent
+
 __all__ = [
     "AstraDBCQLToolComponent",
     "AstraDBToolComponent",

src/backend/base/langflow/utils/validate.py

@@ -1,9 +1,11 @@
 import ast
 import contextlib
 import importlib
+import warnings
 from types import FunctionType
 from typing import Optional, Union
 
+from langchain_core._api.deprecation import LangChainDeprecationWarning
 from loguru import logger
 from pydantic import ValidationError
 
@@ -221,9 +223,11 @@ def prepare_global_scope(code, module):
                     raise ModuleNotFoundError(msg) from e
         elif isinstance(node, ast.ImportFrom) and node.module is not None:
             try:
-                imported_module = importlib.import_module(node.module)
+                with warnings.catch_warnings():
-                for alias in node.names:
+                    warnings.simplefilter("ignore", LangChainDeprecationWarning)
-                    exec_globals[alias.name] = getattr(imported_module, alias.name)
+                    imported_module = importlib.import_module(node.module)
+                    for alias in node.names:
+                        exec_globals[alias.name] = getattr(imported_module, alias.name)
             except ModuleNotFoundError as e:
                 msg = f"Module {node.module} not found. Please install it and try again"
                 raise ModuleNotFoundError(msg) from e