app.py

from smolagents import CodeAgent, HfApiModel, load_tool, tool
import datetime
import requests
import pytz
import yaml

# Import our custom tools from the tools folder
from tools.final_answer import FinalAnswerTool
from tools.visit_webpage import VisitWebpageTool
from tools.web_search import DuckDuckGoSearchTool

from Gradio_UI import GradioUI

# Example Tool (non-functioning): provided purely as a template.
@tool
def my_custom_tool(arg1: str, arg2: int) -> str:
    """Example Tool: A non-functional tool provided as a template.
    
    Args:
        arg1: The first argument.
        arg2: The second argument.
    """
    return "What magic will you build ?"

# Working Tool: Fetches the current local time in a specified timezone.
@tool
def get_current_time_in_timezone(timezone: str) -> str:
    """Working Tool: 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)}"

# Instantiate the FinalAnswerTool (required for returning final answers)
final_answer = FinalAnswerTool()

# Instantiate working local tools:
# Web Search Tool: Uses DuckDuckGo to perform a web search.
search_tool = DuckDuckGoSearchTool()   # Defined in tools/web_search.py

# Webpage Visit Tool: Visits a URL and converts its content to Markdown.
visit_tool = VisitWebpageTool()         # Defined in tools/visit_webpage.py

# Define the model configuration using HfApiModel
model = HfApiModel(
    max_tokens=2096,
    temperature=0.5,
    model_id='Qwen/Qwen2.5-Coder-32B-Instruct',  # Adjust if this model is overloaded.
    custom_role_conversions=None,
)

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

# Create the CodeAgent, including our working tools and the example tool.
agent = CodeAgent(
    model=model,
    tools=[
        final_answer,               # Must remain included.
        search_tool,                # Enables web search.
        visit_tool,                 # Enables webpage visits.
        get_current_time_in_timezone,  # Working tool for time queries.
        my_custom_tool,             # Example (non-functioning) tool.
    ],
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)

# Launch the Gradio UI for interactive use
GradioUI(agent).launch()