app.py

from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel, load_tool, Tool, tool
import datetime
import requests
import pytz
import yaml
from tools.final_answer import FinalAnswerTool
from Gradio_UI import GradioUI
from smolagents.agent_types import AgentImage
import os
from smolagents import LiteLLMModel
import logging
from smolagents import OpenAIModel 

# Import tools
from tools.final_answer import FinalAnswerTool
from tools.web_search import DuckDuckGoSearchTool
from agents.tour_guide_agent import TourGuideAgent

logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

# 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 ?"

@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)}"


# 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
    # model_id='https://pflgm2locj2t89co.us-east-1.aws.endpoints.huggingface.cloud',
    # model_id='deepseek-ai/deepseek-coder-33B-instruct',
    model_id='mistralai/Mistral-7B-Instruct-v0.2',
    custom_role_conversions=None,
    )

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

# Import the image generation tool directly from the Space
image_generation_tool = Tool.from_space(
    "black-forest-labs/FLUX.1-schnell",
    name="image_generator",
    description="Generate an image from a text prompt. The prompt should be detailed to create high-quality images."
)

# Create the web search tool for the tour guide agent
web_search_tool = DuckDuckGoSearchTool(max_results=5)

# Initialize the tour guide agent
tour_guide_agent = TourGuideAgent(
    model=model,
    tools=[web_search_tool],
    max_steps=3,
    verbosity_level=1
)

# Final answer tool
final_answer = FinalAnswerTool()

with open("prompts_mas.ymal", 'r') as stream:
    prompt_templates = yaml.safe_load(stream)
    
# Create the coordinator agent
coordinator_agent = CodeAgent(
    model=model,
    tools=[
        final_answer,
        image_generation_tool
    ],
    managed_agents=[tour_guide_agent],
    max_steps=6,
    verbosity_level=1,
    name="Journi",
    description="Your AI travel companion",
    prompt_templates=prompt_templates
)

# Launch the UI
if __name__ == "__main__":
    print("✈️ Launching Journi - Your AI Travel Companion")
    print("Ask about any destination to see images and get tourist recommendations!")
    GradioUI(coordinator_agent).launch()