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

# Define a tool to search the internet
@tool
def search_the_internet(search_term: str) -> str:
    """A tool that can search the internet.
    Args:
        search_term: The term to search for.
    """
    return "What magic will you build?"

# Define a tool to get the current time in a specified timezone
@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:
        tz = pytz.timezone(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)}"

# Define a tool to perform a web search
@tool
def perform_web_search(query: str) -> str:
    """A tool that performs a web search using DuckDuckGo.
    Args:
        query: The search query.
    """
    search_tool = DuckDuckGoSearchTool()
    return search_tool.run(query)

# Define a tool to generate an image from text
@tool
def generate_image_from_text(prompt: str) -> str:
    """A tool that generates an image from a text prompt.
    Args:
        prompt: The text prompt for image generation.
    """
    image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)
    return image_generation_tool.run(prompt)

# Initialize the final answer tool
final_answer = FinalAnswerTool()

# Define the model
model = HfApiModel(
    max_tokens=2096,
    temperature=0.5,
    model_id='Qwen/Qwen2.5-Coder-7B-Instruct',
    custom_role_conversions=None,
)

# Load prompt templates from a YAML file
with open("prompts.yaml", 'r') as stream:
    prompt_templates = yaml.safe_load(stream)

# Define the main agent
main_agent = CodeAgent(
    model=model,
    tools=[DuckDuckGoSearchTool(), final_answer],  # 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
)

# Define a function to create sub-agents dynamically
def create_sub_agent(task_description: str):
    sub_agent_tools = []
    if "search" in task_description.lower():
        sub_agent_tools.append(perform_web_search)
    if "time" in task_description.lower():
        sub_agent_tools.append(get_current_time_in_timezone)
    if "image" in task_description.lower():
        sub_agent_tools.append(generate_image_from_text)

    sub_agent = CodeAgent(
        model=model,
        tools=sub_agent_tools,
        max_steps=3,
        verbosity_level=1,
        grammar=None,
        planning_interval=None,
        name="SubAgent",
        description="A dynamically created sub-agent to handle specific tasks."
    )
    return sub_agent

# Example of how the main agent can decide to create sub-agents
def decide_and_execute(task: str):
    sub_agent = create_sub_agent(task)
    result = sub_agent.run(task)
    return result

# Launch the Gradio UI with the main agent
GradioUI(main_agent).launch()