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

from selenium import webdriver

@tool
def get_zh_top_news() -> tuple[str, str]:
    """A tool that retrieves the current top news article's title and URL from www.zerohedge.com.

    Returns:
        tuple[str, str]: A tuple containing the article title (str) and its URL (str).
    
    Raises:
        Exception: If the page fails to load or the expected element is not found.
    """
    # Set up Chrome options for headless browsing (optional, improves performance)
    chrome_options = Options()
    chrome_options.add_argument("--headless")  # Run without opening a browser window
    chrome_options.add_argument("--disable-gpu")  # Disable GPU acceleration in headless mode

    # Initialize the Selenium WebDriver (assumes chromedriver is in PATH or specify path via Service)
    driver = webdriver.Chrome(options=chrome_options)

    try:
        # Navigate to ZeroHedge homepage
        driver.get("https://www.zerohedge.com")

        # Find the top article element using a CSS selector
        # Based on ZeroHedge's structure, the top headline is typically the first prominent article
        top_article = driver.find_element(By.CSS_SELECTOR, "article .ArticleTeaser_titleLink__mK4rX")

        # Extract the title from the text content of the link
        article_title = top_article.text.strip()

        # Extract the URL from the href attribute
        article_link = top_article.get_attribute("href")

        # Ensure the link is absolute (ZeroHedge uses relative URLs)
        if not article_link.startswith("http"):
            article_link = f"https://www.zerohedge.com{article_link}"

        return article_title, article_link

    except Exception as e:
        return "Error: Headline not found", "https://www.zerohedge.com"

    finally:
        # Always close the browser session to free resources
        driver.quit()

@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=[get_zh_top_news,get_current_time_in_timezone,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()