app.py

from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
import datetime
import requests
import pytz
import yaml
import asyncio
import nest_asyncio
from playwright.async_api import async_playwright
from PIL import Image
import subprocess
import json
import gradio as gr

from tools.final_answer import FinalAnswerTool

from Gradio_UI import GradioUI

nest_asyncio.apply()  # Ensure async works in a Jupyter/Colab/HF Spaces environment

subprocess.run(["apt-get", "update"])
subprocess.run(["apt-get", "install", "-y", "libnss3", "libatk1.0-0", "libatk-bridge2.0-0", "libxcomposite1",
"libxdamage1", "libcups2"])


subprocess.run(["playwright", "install", "chromium"])

# 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 ?"


def load_image_sources():
    with open("image_sources.json", "r") as file:
        return json.load(file)

image_sources = load_image_sources()

def get_image_url(image_type: str):
    return image_sources.get(image_type, None)  

async def capture_screenshot(image_type: str):
    """Launches Playwright and uses user input,  if any, to captures a screenshot of an image from p5.js."""
    print("Launching Playwright...")
    async with async_playwright() as p:
        browser = await p.chromium.launch(headless=True)
        page = await browser.new_page()

        #url = "https://openprocessing.org/sketch/2539973"
        url = "https://editor.p5js.org/kfahn/full/2XD5Y8MiV"
        image_url
        if image_type: 
            image_url = get_image_url(image_type)
        else:
            image_url = url
        
        print(f"Opening image from p5 sketch: {image_url}")
        await page.goto(image_url, timeout=120000)  # Wait for the image page to load

        print("Waiting for image element...")
       # await page.wait_for_selector("img", timeout=120000)  # Wait for the <img> to be visible
        await page.wait_for_timeout(5000)  # Allow sketch to fully render
        print("Capturing screenshot...")
        await page.screenshot(path="img.png")
        await browser.close()
        print("Screenshot saved!")
     
@tool
def grab_image(image_type: str) -> Image:
    """
    Fetches an op art image from a p5.js sketch.
    This function sends uses Playwright to launch a headless server and grab a screenshot of a p5.js sketch.
    Args:
        image_type: A geneerate art type
    Returns:
        image: The screen shot of the p5.js sketch as an image.
    """
    print("Running async Playwright screenshot...")
    
    loop = asyncio.new_event_loop()  # Create a new event loop (Fixes issues on HF Spaces)
    asyncio.set_event_loop(loop)
    loop.run_until_complete(capture_screenshot(image_type))

    print("Loading image for Gradio...")
    img = Image.open("img.png")
    return img



@tool
def get_joke() -> str:
    """
    Fetches a random joke from the JokeAPI.
    This function sends a GET request to the JokeAPI to retrieve a random joke.
    It handles both single jokes and two-part jokes (setup and delivery).
    If the request fails or the response does not contain a joke, an error message is returned.
    Returns:
        str: The joke as a string, or an error message if the joke could not be fetched.
    """
    url = "https://v2.jokeapi.dev/joke/Any?type=single"

    try:
        response = requests.get(url)
        response.raise_for_status()

        data = response.json()

        if "joke" in data:
            return data["joke"]
        elif "setup" in data and "delivery" in data:
            return f"{data['setup']} - {data['delivery']}"
        else:
            return "Error: Unable to fetch joke."

    except requests.exceptions.RequestException as e:
        return f"Error fetching joke: {str(e)}"

#https://github.com/huggingface/smolagents/blob/main/examples/multiple_tools.py
@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_joke, grab_image], ## 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()