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

# Below is an example of a tool that does nothing. Amaze us with your creativity !
@tool
def convert_currency(amount: float, from_currency: str, to_currency: str) -> str:
    """A tool that converts an amount from one currency to another using NBP exchange rates.
    
    Args:
        amount: The amount to convert.
        from_currency: The currency code to convert from (e.g., 'USD').
        to_currency: The currency code to convert to (e.g., 'EUR').
    
    Returns:
        Converted amount in the target currency.
    """
    url_from = f"http://api.nbp.pl/api/exchangerates/rates/A/{from_currency}/?format=json"
    url_to = f"http://api.nbp.pl/api/exchangerates/rates/A/{to_currency}/?format=json"

    try:
        response_from = requests.get(url_from)
        response_to = requests.get(url_to)
        response_from.raise_for_status()
        response_to.raise_for_status()

        rate_from = response_from.json()['rates'][0]['mid']
        rate_to = response_to.json()['rates'][0]['mid']
        
        converted_amount = amount * (rate_from / rate_to)
        return f"{amount:.2f} {from_currency} = {converted_amount:.2f} {to_currency}"

    except requests.exceptions.RequestException as err:
        return f"Currency conversion failed: {err}"
    except KeyError:
        return f"Invalid currency code."


@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)}"


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, convert_currency], ## 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()