app.py

import os
from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
import datetime
import requests
import pytz
import yaml
from tools.final_answer import FinalAnswerTool
from Gradio_UI import GradioUI

@tool
def my_custom_tool(arg1:str, arg2:int)-> str:
    """A tool that does nothing yet
    Args:
        arg1: the first argument
        arg2: the second argument
    """
    return "What magic will you build ?"

@tool
def get_current_time_in_timezone(timezone: str) -> str:
    """A tool that fetches the current local time in a specified timezone.
    Args:
        timezone: A string representing a valid timezone (e.g., 'America/New_York').
    """
    try:
        tz = pytz.timezone(timezone)
        local_time = datetime.datetime.now(tz).strftime("%Y-%m-%d %H:%M:%S")
        return f"The current local time in {timezone} is: {local_time}"
    except Exception as e:
        return f"Error fetching time for timezone '{timezone}': {str(e)}"

final_answer = FinalAnswerTool()

model = HfApiModel(
    max_tokens=2096,
    temperature=0.5,
    model_id='Qwen/Qwen2.5-Coder-32B-Instruct',
    custom_role_conversions=None,
)

image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)

prompt_templates = {}
try:
    with open("prompts.yaml", 'r') as stream:
        prompt_templates = yaml.safe_load(stream)
except Exception as e:
    print(f"!!! ERROR LOADING prompts.yaml: {e} !!!")

# ---> MODIFIED FIX <---
# Ensure 'final_answer' key exists and is a dictionary containing 'pre_messages'
if not isinstance(prompt_templates, dict):
     prompt_templates = {} # Ensure it's a dict if loading failed

if 'final_answer' not in prompt_templates:
    print("!!! Adding missing 'final_answer' dictionary structure !!!")
    prompt_templates['final_answer'] = {'pre_messages': "{{final_answer}}"} # Assign a dict with the required subkey
elif not isinstance(prompt_templates['final_answer'], dict):
    print("!!! 'final_answer' key exists but is not a dictionary. Overwriting. !!!")
    prompt_templates['final_answer'] = {'pre_messages': "{{final_answer}}"}
elif 'pre_messages' not in prompt_templates['final_answer']:
    print("!!! Adding missing 'pre_messages' subkey to 'final_answer' !!!")
    prompt_templates['final_answer']['pre_messages'] = "{{final_answer}}"
# ---> END MODIFIED FIX <---


agent = CodeAgent(
    model=model,
    tools=[final_answer],
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)

GradioUI(agent).launch()