app.py

from smolagents import CodeAgent, DuckDuckGoSearchTool, load_tool, tool, LiteLLMModel # replace HfApiModel
import datetime
import requests
import pytz
import yaml
import subprocess
import os #retreive your secret api key for LiteLLMModel
from tools.final_answer import FinalAnswerTool

from Gradio_UI import GradioUI

#  Retrieve your "secret" google api key named GEMINI_API_KEY for LiteLLMModel
os.environ["GEMINI_API_KEY"] = os.getenv('GEMINI_API_KEY')

# Below is an example of a tool that does nothing. Amaze us with your creativity !
@tool
def my_cutom_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 duckduckgo_search(query: str, max_results: int = 5) -> list[dict]:
    """A tool that uses DuckDuckGo to search the internet and returns a list of results.

    Args:
        query: The search query string.
        max_results: The maximum number of search results to return. Defaults to 5.

    Returns:
        list[dict]: A list of dictionaries, where each dictionary represents a search result and contains the keys 'title', 'href', and 'body'.
    """
    ddgs = DuckDuckGoSearchTool()
    results = ddgs.text(query, max_results=max_results)
    return [r for r in results]

@tool
def linux_shell_interface(command: str) -> str:
    """A tool that executes a Debian Linux command and returns the output.

    Args:
        command: The Debian Linux command to execute as a string. Be very careful with this tool as it can run arbitrary commands.

    Returns:
        str: The output of the command, or an error message if execution fails.
    """
    try:
        result = subprocess.check_output(command, shell=True, executable='/bin/bash').decode('utf-8')
        return result
    except Exception as e:
        return f"Error executing command: {e}"

@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 = LiteLLMModel(model_id="gemini/gemini-2.0-flash")

# Coment out the other model API
'''
model = HfApiModel(
max_tokens=2096,
temperature=0.5,
model_id='https://wxknx1kg971u7k1n.us-east-1.aws.endpoints.huggingface.cloud',# it is possible that this model may be overloaded
custom_role_conversions=None,
)
'''

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

with open("prompts.yaml", 'r') as stream:
    prompt_templates = yaml.safe_load(stream)
    
agent = CodeAgent(
    model=model,
    tools=[final_answer, linux_shell_interface, duckduckgo_search, image_generation_tool], ## 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
)


GradioUI(agent).launch()