app.py

from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
from smolagents.agent_types import AgentImage
import datetime
import requests
import pytz
import yaml
from PIL import Image
from tools.final_answer import FinalAnswerTool

from Gradio_UI import GradioUI




@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)}"




@tool
def travel_recommendations_for_city(city: str) -> str:
    """A tool that provides tourist recommendations for a given city.
    Args:
        city: A string representing a specific city (e.g., 'Nairobi/Johannesburg').
    """
    search = DuckDuckGoSearchTool()
    results = search(f"Top things to do in {city}")
    if not results:
        return f"Couldn't find any recommendations for {city}."
    recommendations = "\n".join([f"- {r['body']}" for r in results[:5]])
    return f"Here are some things to do in {city}:\n{recommendations}"




# Import tool from Hub
image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)

@tool
def generate_travel_brochure_image(description: str) -> AgentImage:
    """A tool that generates a travel brochure image based on a description.
    Args:
        description: A string representing text to be converted into a brochure.
    """
    image = image_generation_tool(description)
    if isinstance(image, Image.Image):
        return AgentImage(image)
    raise ValueError("Image generation failed or returned invalid data.")



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,
)


with open("prompts.yaml", 'r') as stream:
    prompt_templates = yaml.safe_load(stream)
    
agent = CodeAgent(
    model=model,
    tools=[
        get_current_time_in_timezone,
        travel_recommendations_for_city,
        generate_travel_brochure_image,
        final_answer
    ], ## add your tools here (don't remove final answer)
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name="travel_brochure_agent",
    description="Provides local time, travel tips, and generates a brochure image.",
    prompt_templates=prompt_templates
)


GradioUI(agent).launch()