app.py

#Àlex Bescós (1709480) | Aleix Vers (1702621)

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 para obtener la hora 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:
        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)}"

# Primer nuevo tool: Traductor de texto
@tool
def text_translator(text: str, target_language: str) -> str:
    """A tool that translates text to a specified target language.
    Args:
        text: The text to be translated.
        target_language: The target language code (e.g., 'es' for Spanish, 'fr' for French).
    """
    try:
        try:
            from translate import Translator
        except ImportError:
            import subprocess, sys
            subprocess.check_call([sys.executable, "-m", "pip", "install", "translate"])
            from translate import Translator
        
        translator = Translator(to_lang=target_language)
        translation = translator.translate(text)
        return f"Translation to {target_language}: {translation}"
    except Exception as e:
        return f"Translation failed: {str(e)}"

# Segundo nuevo tool: Búsqueda y resumen de información
@tool
def search_and_summarize(query: str, max_results: int = 3) -> str:
    """A tool that performs a web search and provides summaries of the top results.
    Args:
        query: The search query.
        max_results: Maximum number of results to return (default 3).
    """
    try:
        search_results = DuckDuckGoSearchTool()(query)
        
        if not search_results:
            return "No results found for the query."
            
        summaries = []
        for i, result in enumerate(search_results[:max_results]):
            summaries.append(f"Result {i+1}:\nTitle: {result.get('title', 'No title')}\n"
                           f"URL: {result.get('link', 'No URL')}\n"
                           f"Snippet: {result.get('snippet', 'No snippet available')}")
        
        return "\n\n".join(summaries)
    except Exception as e:
        return f"Search and summarize failed: {str(e)}"

# Configuración del modelo y herramientas
final_answer = FinalAnswerTool()
image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)

model = HfApiModel(
    max_tokens=2096,
    temperature=0.5,
    model_id="mistralai/Mistral-Small-3.1-24B-Instruct-2503",
    custom_role_conversions=None,
)

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

# Creación del agente con todas las herramientas
agent = CodeAgent(
    model=model,
    tools=[
        final_answer, 
        image_generation_tool, 
        get_current_time_in_timezone, 
        text_translator, 
        search_and_summarize
    ],
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)

# Lanzamiento de la interfaz
GradioUI(agent).launch()