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

# Example of a tool that does nothing (template)
@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 1: Get current time in timezone
@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)}"

# ✅ Tool 2: Math Tool
@tool
def math_tool(expression: str) -> str:
    """Evaluates a basic math expression (e.g., '2 + 2', '5 * (3 + 1)')
    Args:
        expression: A math expression string.
    """
    try:
        result = eval(expression)
        return f"The result is: {result}"
    except Exception as e:
        return f"Invalid expression: {str(e)}"

# ✅ Tool 3: Weather Tool (Mocked)
@tool
def weather_tool(city: str) -> str:
    """Returns mock weather info for a given city.
    Args:
        city: The name of the city.
    """
    return f"The weather in {city} is 23°C with scattered clouds."

# Final answer tool
final_answer = FinalAnswerTool()

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

# Import remote image generation tool
image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)

# Load prompts
with open("prompts.yaml", 'r') as stream:
    prompt_templates = yaml.safe_load(stream)

# ✅ Assemble the agent with all tools
agent = CodeAgent(
    model=model,
    tools=[
        final_answer,
        get_current_time_in_timezone,
        math_tool,
        weather_tool,
        image_generation_tool
    ],
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)

# Launch UI
GradioUI(agent).launch()