Fix logging level and version display

src/backend/base/langflow/__main__.py

@@ -149,13 +149,13 @@ def run(
     Run the Langflow.
     """
 
+    configure(log_level=log_level, log_file=log_file)
     set_var_for_macos_issue()
     # override env variables with .env file
 
     if env_file:
         load_dotenv(env_file, override=True)
 
-    configure(log_level=log_level, log_file=log_file)
     update_settings(
         config,
         dev=dev,
@@ -246,10 +246,10 @@ def get_free_port(port):
 
 
 def print_banner(host, port):
-    # console = Console()
+    from langflow.version import __version__
 
     word = "Langflow"
-    colors = ["#3300cc"]
+    colors = ["#6e42f5"]
 
     styled_word = ""
 
@@ -259,7 +259,7 @@ def print_banner(host, port):
 
     # Title with emojis and gradient text
     title = (
-        f"[bold]Welcome to :chains: {styled_word} [/bold]\n\n"
+        f"[bold]Welcome to :chains: {styled_word} v{__version__}[/bold]\n"
         f"Access [link=http://{host}:{port}]http://{host}:{port}[/link]"
     )
     info_text = (
@@ -307,7 +307,7 @@ def run_langflow(host, port, log_level, options, app):
 def superuser(
     username: str = typer.Option(..., prompt=True, help="Username for the superuser."),
     password: str = typer.Option(..., prompt=True, hide_input=True, help="Password for the superuser."),
-    log_level: str = typer.Option("critical", help="Logging level.", envvar="LANGFLOW_LOG_LEVEL"),
+    log_level: str = typer.Option("error", help="Logging level.", envvar="LANGFLOW_LOG_LEVEL"),
 ):
     """
     Create a superuser.

src/backend/base/langflow/alembic/env.py

@@ -1,4 +1,5 @@
 import os
+import warnings
 from logging.config import fileConfig
 
 from alembic import context
@@ -82,11 +83,12 @@ def run_migrations_online() -> None:
             prefix="sqlalchemy.",
             poolclass=pool.NullPool,
         )
-    with connectable.connect() as connection:
-        context.configure(connection=connection, target_metadata=target_metadata, render_as_batch=True)
-
-        with context.begin_transaction():
-            context.run_migrations()
+    with warnings.catch_warnings():
+        warnings.simplefilter("ignore")
+        with connectable.connect() as connection:
+            context.configure(connection=connection, target_metadata=target_metadata, render_as_batch=True)
+            with context.begin_transaction():
+                context.run_migrations()
 
 
 if context.is_offline_mode():

src/backend/base/langflow/interface/toolkits/base.py

@@ -1,3 +1,4 @@
+import warnings
 from typing import Callable, Dict, List, Optional
 
 from langchain.agents import agent_toolkits
@@ -29,13 +30,15 @@ class ToolkitCreator(LangChainTypeCreator):
     @property
     def type_to_loader_dict(self) -> Dict:
         if self.type_dict is None:
-            settings_service = get_settings_service()
-            self.type_dict = {
-                toolkit_name: import_class(f"langchain.agents.agent_toolkits.{toolkit_name}")
-                # if toolkit_name is not lower case it is a class
-                for toolkit_name in agent_toolkits.__all__
-                if not toolkit_name.islower() and toolkit_name in settings_service.settings.TOOLKITS
-            }
+            with warnings.catch_warnings():
+                warnings.simplefilter("ignore")
+                settings_service = get_settings_service()
+                self.type_dict = {
+                    toolkit_name: import_class(f"langchain.agents.agent_toolkits.{toolkit_name}")
+                    # if toolkit_name is not lower case it is a class
+                    for toolkit_name in agent_toolkits.__all__
+                    if not toolkit_name.islower() and toolkit_name in settings_service.settings.TOOLKITS
+                }
 
         return self.type_dict
 

src/backend/base/langflow/main.py

@@ -130,7 +130,7 @@ if __name__ == "__main__":
         host="127.0.0.1",
         port=7860,
         workers=get_number_of_workers(),
-        log_level="debug",
+        log_level="error",
         reload=True,
         loop="asyncio",
     )

src/backend/base/langflow/server.py

@@ -1,3 +1,5 @@
+import os
+
 from gunicorn.app.base import BaseApplication  # type: ignore
 from uvicorn.workers import UvicornWorker
 
@@ -11,6 +13,7 @@ class LangflowApplication(BaseApplication):
         self.options = options or {}
 
         self.options["worker_class"] = "langflow.server.LangflowUvicornWorker"
+        self.options["loglevel"] = os.getenv("LANGFLOW_LOG_LEVEL", "error").lower()
         self.application = app
         super().__init__()
 

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

@@ -28,7 +28,7 @@ def configure(log_level: Optional[str] = None, log_file: Optional[Path] = None):
     if os.getenv("LANGFLOW_LOG_LEVEL", "").upper() in VALID_LOG_LEVELS and log_level is None:
         log_level = os.getenv("LANGFLOW_LOG_LEVEL")
     if log_level is None:
-        log_level = "INFO"
+        log_level = "ERROR"
     # Human-readable
     log_format = (
         "<green>{time:YYYY-MM-DD HH:mm:ss}</green> - <level>"