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

# A tool that fetches data from an API endpoint
import qrcode
import os
from PIL import Image
import io
import base64

@tool
def generate_qr_code(data: str) -> str:
    """Generates a QR code from the given data and returns it as a base64 string.
    Args:
        data: The text or URL to encode in the QR code.
    Returns:
        Base64 encoded QR code image.
    """
    img = qrcode.make(data)
    buffered = io.BytesIO()
    img.save(buffered, format="PNG")
    img_str = base64.b64encode(buffered.getvalue()).decode("utf-8")
    return img_str

@tool
def generate_image_and_qr(prompt: str) -> dict:
    """Generates an image from a text prompt and returns both the image and QR code as base64 strings.
    Args:
        prompt: The text prompt for image generation.
    Returns:
        A dictionary containing base64 encoded image and QR code.
    """
    try:
        image = image_generation_tool(prompt=prompt)
        
        buffered = io.BytesIO()
        image.save(buffered, format="PNG")
        image_str = base64.b64encode(buffered.getvalue()).decode("utf-8")
        
        qr_code_str = generate_qr_code(image_str)
        
        return {"image": image_str, "qr_code": qr_code_str}
    except Exception as e:
        return {"error": str(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()

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, generate_image_and_qr, generate_qr_code, image_generation_tool],  # 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()