app.py

from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool, tool, LiteLLMModel
import datetime
import requests
import os
import pytz
import yaml
from tools.final_answer import FinalAnswerTool

from Gradio_UI import GradioUI


@tool
def my_custom_tool(arg1: str, arg2: int) -> str:
    """A tool that echoes the inputs back.
    Args:
        arg1: the first argument
        arg2: the second argument
    """
    return f"Echo: arg1='{arg1}', arg2={arg2}"

@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()

# model = HfApiModel(
# max_tokens=2096,
# temperature=0.5,
# model_id='HuggingFaceH4/zephyr-7b-beta', # it is possible that this model may be overloaded
# custom_role_conversions=None,
# )

model = LiteLLMModel(
    model_id="gemini/gemini-2.0-flash",
    api_key=os.environ.get("GEMINI_API_KEY"),
    max_tokens=8192,
    temperature=0.5
)

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

web_search_tool = DuckDuckGoSearchTool()


with open("prompts.yaml", 'r') as stream:
    prompt_templates = yaml.safe_load(stream)
    
agent = CodeAgent(
    model=model,
    tools=[final_answer, get_current_time_in_timezone, web_search_tool, image_generation_tool, my_custom_tool],
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)


GradioUI(agent).launch()