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

import requests

@tool
def convert_currency(amount: float, from_currency: str, to_currency: str) -> str:
    """A tool that converts one currency to another based on real-time exchange rates.
    Args:
        amount: The amount of money to convert.
        from_currency: The currency code of the input currency (e.g., 'USD').
        to_currency: The currency code of the target currency (e.g., 'EUR').
    Returns:
        A string indicating the converted amount.
    """
    try:
        # Fetch real-time exchange rates from a free API
        url = f"https://api.exchangerate-api.com/v4/latest/{from_currency}"
        response = requests.get(url).json()
        
        if 'error' in response:
            return f"Error fetching exchange rates for {from_currency}."
        
        exchange_rate = response['rates'].get(to_currency)
        if exchange_rate:
            converted_amount = amount * exchange_rate
            return f"{amount} {from_currency} = {converted_amount:.2f} {to_currency}"
        else:
            return f"Currency conversion from {from_currency} to {to_currency} not supported."
    
    except Exception as e:
        return f"Error converting currency: {str(e)}"

import requests

@tool
def web_search_duckduckgo(query: str) -> str:
    """A tool that performs a web search using the DuckDuckGo Instant Answer API.
    Args:
        query: The search term or query to search for.
    Returns:
        A summary of the search results from DuckDuckGo.
    """
    try:
        # DuckDuckGo Instant Answer API
        url = f"https://api.duckduckgo.com/?q={query}&format=json"
        
        response = requests.get(url).json()
        
        # Check if there is an abstract (summary) to return
        if 'AbstractText' in response and response['AbstractText']:
            return response['AbstractText']
        elif 'RelatedTopics' in response and len(response['RelatedTopics']) > 0:
            results = response['RelatedTopics'][:3]  # Show top 3 results
            search_results = []
            for idx, result in enumerate(results):
                title = result.get("Text", "No title")
                url = result.get("FirstURL", "No link")
                search_results.append(f"Result {idx+1}: {title}\nLink: {url}")
            return "\n".join(search_results)
        else:
            return "No relevant search results found."

    except Exception as e:
        return f"Error fetching search results: {str(e)}"


@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:
        # Create timezone object
        tz = pytz.timezone(timezone)
        # Get current time in that 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 get_weather(city: str) -> str:
    """A tool that fetches the current weather for a given city, without requiring an API key.
    Uses the free Open-Meteo API.
    Args:
        city: The name of the city to get weather for.
    Returns:
        A description of the current weather.
    """
    try:
        # 1) Geocode city name → latitude/longitude
        geo_url = f"https://geocoding-api.open-meteo.com/v1/search?name={city}&count=1"
        geo_response = requests.get(geo_url).json()

        if "results" not in geo_response or len(geo_response["results"]) == 0:
            return f"Could not find location for: {city}"

        latitude = geo_response["results"][0]["latitude"]
        longitude = geo_response["results"][0]["longitude"]
        resolved_name = geo_response["results"][0]["name"]

        # 2) Fetch current weather from Open-Meteo
        weather_url = (
            f"https://api.open-meteo.com/v1/forecast?"
            f"latitude={latitude}&longitude={longitude}&current_weather=true"
        )
        weather_response = requests.get(weather_url).json()

        if "current_weather" not in weather_response:
            return f"No current weather data available for {resolved_name}"

        weather = weather_response["current_weather"]
        temp = weather["temperature"]
        wind = weather["windspeed"]
        code = weather["weathercode"]

        return (
            f"Weather in {resolved_name}:\n"
            f"- Temperature: {temp}°C\n"
            f"- Wind speed: {wind} km/h\n"
            f"- Weather code: {code}"
        )

    except Exception as e:
        return f"Error fetching weather: {str(e)}"

final_answer = FinalAnswerTool()

# If the agent does not answer, the model is overloaded, please use another model or the following Hugging Face Endpoint that also contains qwen2.5 coder:
# model_id='https://pflgm2locj2t89co.us-east-1.aws.endpoints.huggingface.cloud' 

model = HfApiModel(
max_tokens=2096,
temperature=0.5,
model_id='Qwen/Qwen2.5-Coder-32B-Instruct',# it is possible that this model may be overloaded
custom_role_conversions=None,
)


# Import tool from Hub
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], ## add your tools here (don't remove final answer)
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)


GradioUI(agent).launch()