app.py

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 get_current_time_in_timezone(timezone: str) -> str:
    """
    Fetches the current local time for the specified timezone.

    Args:
        timezone: A valid timezone string.

    Returns:
        A string message with the current local time, or an error message.
    """
    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)}"

@tool
def calculator_tool(expression: str) -> str:
    """
    Evaluates a mathematical expression.

    Args:
        expression: A string representing a mathematical expression.
                    Supported operators: +, -, *, /, **, and %.

    Returns:
        A string representing the result of the calculation, or an error message if evaluation fails.
    """
    try:
        # Evaluate the expression in a restricted environment for safety.
        result = eval(expression, {"__builtins__": {}}, {})
        if isinstance(result, float) and result.is_integer():
            result = int(result)
        return str(result)
    except Exception as e:
        return f"Error evaluating expression: {e}"

final_answer = FinalAnswerTool()

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

# Import tool from Hub (e.g., text-to-image)
image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)

with open("prompts.yaml", 'r') as stream:
    prompt_templates = yaml.safe_load(stream)
    
agent = CodeAgent(
    model=model,
    tools=[final_answer, calculator_tool],  # Added final_answer and our calculator tool
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)

GradioUI(agent).launch()