app.py

from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
import datetime
import requests
import json
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 get_crypto_price_and_change(symbol: str) -> str:
    """A tool that fetches the current price and 24h variation of a cryptocurrency.
    Args:
        symbol: The cryptocurrency symbol (e.g., bitcoin, ethereum, cardano).
    """
    try:
        url = f"https://api.coingecko.com/api/v3/simple/price?ids={symbol.lower()}&vs_currencies=usd&include_24hr_change=true"
        response = requests.get(url)
        response.raise_for_status()
        data = response.json()
        crypto_data = data.get(symbol.lower())

        if crypto_data:
            price = crypto_data.get("usd")
            change_24h = crypto_data.get("usd_24h_change")

            if price is not None and change_24h is not None:
                return f"{symbol.upper()} price: ${price:.2f}, 24h change: {change_24h:.2f}%"
            else:
                return f"Could not retrieve price or 24h change for {symbol.upper()}."
        else:
            return f"Cryptocurrency symbol '{symbol.upper()}' not found."

    except requests.exceptions.RequestException as e:
        return f"Error fetching data: {e}"
    except json.JSONDecodeError:
        return "Error decoding JSON response."
    except Exception as e:
        return f"An unexpected error occurred: {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)}"


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, get_crypto_price_and_change,image_generation_tool,get_current_time_in_timezone], ## 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()