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

# Below is a tool that gets a list of books from an app I built on Replit
@tool
def get_bookbrain()-> str: 
    #Keep this format for the description / args / args description but feel free to modify the tool
    """Fetches a list of books from the BookBrain API. 
    Args:
        None
    """
    try:
        url = "https://bookbrain.replit.app/api/books"
        response = requests.get(url)

        if response.status_code != 200:
            return f"Error accessing BookBrain: {response.text}"

        data = response.json()
        if not isinstance(data, list):
            return "Received an unexpected response format from BookBrain."

        books_str_list = []
        for book in data:
            title = book.get('title', 'N/A')
            author = book.get('author', 'N/A')
            topics = ', '.join(book.get('topics', []))
            summary = book.get('summary', 'No summary available')

            books_str_list.append(
                f"Title: {title}\nAuthor: {author}\nTopics: {topics}\nSummary: {summary}"
            )
            
        return "\n\n---\n\n".join(books_str_list) if books_str_list else "No books found."
    except Exception as e:
        return f"Failed to fetch books from BookBrain due to: {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()

# 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_bookbrain],
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)

GradioUI(agent).launch()