Add logging functionality for console and file outputs.

telegram_inference_bot.py

@@ -4,6 +4,7 @@ import importlib
 import inspect
 import tempfile
 import base64
+import logging
 from telegram import Update
 from telegram.ext import Application, CommandHandler, MessageHandler, filters, ContextTypes
 from openai import OpenAI
@@ -18,7 +19,20 @@ client = OpenAI()
 GPT_4O = "gpt-4o"
 GPT_4O_MINI = "gpt-4o-mini"
 
-# TODO: ensure log output goes to both console and logs/output.log
+# Set up logging
+log_file = 'logs/output.log'
+os.makedirs(os.path.dirname(log_file), exist_ok=True)
+
+logging.basicConfig(
+    level=logging.INFO,
+    format='%(asctime)s - %(levelname)s - %(message)s',
+    handlers=[
+        logging.FileHandler(log_file, mode='a'),
+        logging.StreamHandler()
+    ]
+)
+
+logging.info("Logging has been set up.")
 
 # Set up Telegram bot
 TELEGRAM_BOT_TOKEN = os.getenv('TELEGRAM_BOT_TOKEN')
@@ -154,9 +168,10 @@ async def handle_message(update: Update, context: ContextTypes.DEFAULT_TYPE) ->
         await update.message.reply_text(assistant_reply)
 
     except Exception as e:
-        print(f"An error occurred: {str(e)}")
+        logging.error(f"An error occurred: {str(e)}")
         await update.message.reply_text("Sorry, an error occurred while processing your request.")
 
+
 def call_tool(function_call, messages):
     # Execute the function
     function_name = function_call.name
@@ -165,6 +180,7 @@ def call_tool(function_call, messages):
         if function_name in [f["name"] for f in tool.get_functions()]:
             return tool.execute(function_name, **eval(function_args))
 
+
 def get_chat_response(client, messages, max_tokens, model):
     response = client.chat.completions.create(
         model=model,
@@ -175,6 +191,7 @@ def get_chat_response(client, messages, max_tokens, model):
     )
     return response
 
+
 def main() -> None:
     # Create the Application and pass it your bot's token
     application = Application.builder().token(TELEGRAM_BOT_TOKEN).build()
@@ -186,7 +203,7 @@ def main() -> None:
     application.add_handler(MessageHandler(filters.TEXT & ~filters.COMMAND, handle_message))
 
     # Start the Bot
-    print("Bot is running...")
+    logging.info("Bot is running...")
     application.run_polling()
 
 if __name__ == '__main__':