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

# Herramienta personalizada de ejemplo
@tool
def my_cutom_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?"

# Herramienta para obtener la hora actual en una zona horaria específica
@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:
        # Crear objeto de zona horaria
        tz = pytz.timezone(timezone)
        # Obtener la hora actual en esa zona horaria
        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)}"

# Herramienta para obtener el clima actual de una ciudad
@tool
def get_current_weather(city: str, api_key: str) -> str:
    """A tool that fetches the current weather for a specified city.
    Args:
        city: The name of the city to fetch the weather for.
        api_key: The API key for OpenWeatherMap.
    """
    base_url = "http://api.openweathermap.org/data/2.5/weather?"
    complete_url = f"{base_url}q={city}&appid={api_key}&units=metric"

    try:
        response = requests.get(complete_url)
        data = response.json()

        if data["cod"] != "404":
            main = data["main"]
            temperature = main["temp"]
            humidity = main["humidity"]
            weather_description = data["weather"][0]["description"]
            return f"The current temperature in {city} is {temperature}°C with {weather_description}. Humidity is {humidity}%."
        else:
            return f"City {city} not found."
    except Exception as e:
        return f"Error fetching weather data: {str(e)}"

# Herramienta de respuesta final
final_answer = FinalAnswerTool()

# Configuración del modelo
model = HfApiModel(
    max_tokens=2096,
    temperature=0.5,
    model_id='https://wxknx1kg971u7k1n.us-east-1.aws.endpoints.huggingface.cloud',  # Puede estar sobrecargado
    custom_role_conversions=None,
)

# Cargar herramienta de generación de imágenes desde el Hub
image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)

# Cargar plantillas de prompts desde un archivo YAML
with open("prompts.yaml", 'r') as stream:
    prompt_templates = yaml.safe_load(stream)

# Crear instancias de las herramientas
search_tool = DuckDuckGoSearchTool()
weather_tool = get_current_weather

# Configurar el agente con las herramientas
agent = CodeAgent(
    model=model,
    tools=[final_answer, search_tool, weather_tool, get_current_time_in_timezone],  # Agregar herramientas aquí
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)

# Lanzar la interfaz de Gradio
GradioUI(agent).launch()