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
import yfinance as yf

from Gradio_UI import GradioUI

import os
import subprocess


try:
    import yfinance
except ModuleNotFoundError:
    subprocess.check_call(["pip", "install", "yfinance"])
    import yfinance


#AGENT_COUSRE_TOKEN = os.getenv("AGENT_COUSRE_TOKEN")



@tool
def get_tides_for_location(location: str, date: str = "today") -> str:
    """Fetches the high and low tides for a specific date at a given location.

    Args:
        location: The name of the city or place (e.g., 'San Francisco').
        date: The date for which to fetch tide data (format: 'YYYY-MM-DD' or 'today').

    Returns:
        A string containing high and low tide times for the specified date and location.
    """
    try:
        # Load API key from environment variable
        API_KEY = os.getenv("WORLD_TIDES_KEY")

        if not API_KEY:
            return "API key is missing. Please set WORLDTIDES_API_KEY in Hugging Face Secrets."

        # Step 1: Convert location name to latitude & longitude
        geo_url = f"https://nominatim.openstreetmap.org/search?format=json&q={location}"
        geo_response = requests.get(geo_url).json()
        
        if not geo_response:
            return f"Could not find coordinates for {location}."
        
        lat = geo_response[0]["lat"]
        lon = geo_response[0]["lon"]

        # Step 2: Fetch tide data
        if date == "today":
            date = datetime.datetime.utcnow().strftime("%Y-%m-%d")  # Get today's date in UTC

        tide_url = f"https://www.worldtides.info/api/v3?extremes&lat={lat}&lon={lon}&date={date}&key={API_KEY}"
        tide_response = requests.get(tide_url).json()

        if "extremes" not in tide_response:
            return f"Could not fetch tide data for {location} on {date}."

        tides = tide_response["extremes"]
        if not tides:
            return f"No tide data available for {location} on {date}."

        result = f"Tide data for {location} on {date}:\n"
        for tide in tides:
            time_utc = tide["date"]
            tide_type = "High Tide" if tide["type"] == "High" else "Low Tide"
            result += f"{tide_type} at {time_utc}\n"

        return result
    except Exception as e:
        return f"Error fetching tide data: {str(e)}"



@tool
def get_stock_price(ticker: str) -> str:
    """A tool that fetches the latest closing stock price for a given ticker symbol using Yahoo Finance.
    
    Args:
        ticker: A string representing a valid stock ticker symbol (e.g., 'AAPL' for Apple Inc.).
    
    Returns:
        A string containing the latest closing stock price.

    Raises:
        ValueError: If the ticker is invalid or no stock data is available.
    """
    try:
        stock = yf.Ticker(ticker)
        history = stock.history(period="1d")
        if history.empty:
            raise ValueError(f"No data found for ticker: {ticker}")
        latest_price = round(history["Close"].iloc[-1], 2)
        return f"The latest closing stock price for {ticker.upper()} is ${latest_price}"
    except Exception as e:
        return f"Error fetching stock price for {ticker}: {str(e)}"


# Below is an example of a tool that does nothing. Amaze us with your creativity !
@tool
def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
    #Keep this format for the description / args / args description but feel free to modify the tool
    """A tool that does nothing yet 
    Args:
        arg1: the first argument
        arg2: the second argument
    """
    return "What magic will you build ?"

@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,
    #token=AGENT_COUSRE_TOKEN
)


# 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_current_time_in_timezone,
        get_stock_price,
        get_tides_for_location
        ],
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)


GradioUI(agent).launch()