app.py

from smolagents import CodeAgent, DuckDuckGoSearchTool, HfApiModel, load_tool, tool
import datetime
import pytz
import yaml
from tools.final_answer import FinalAnswerTool
from Gradio_UI import GradioUI

# ------------------------------
# 🪄 Custom Tool Examples
# ------------------------------

@tool
def my_custom_tool(arg1: str, arg2: int) -> str:
    """A simple tool that repeats the first argument a specified number of times.
    Args:
        arg1: The string to repeat.
        arg2: How many times to repeat it.
    """
    return " ".join([arg1] * 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', 'Asia/Seoul').
    """
    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)}"


# ------------------------------
# ⚙️ Core Components
# ------------------------------

final_answer = FinalAnswerTool()

# 모델 설정 (Qwen2.5 Coder 32B 사용)
model = HfApiModel(
    max_tokens=2096,
    temperature=0.5,
    model_id='Qwen/Qwen2.5-Coder-32B-Instruct',  # 다른 모델로 교체 가능
    custom_role_conversions=None,
)

# 허브에서 이미지 생성 툴 불러오기
image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)

# 프롬프트 템플릿 로드
with open("prompts.yaml", "r") as stream:
    prompt_templates = yaml.safe_load(stream)

# ------------------------------
# 🤖 Agent 생성
# ------------------------------

agent = CodeAgent(
    model=model,
    tools=[
        final_answer,
        my_custom_tool,
        get_current_time_in_timezone,
        image_generation_tool,
    ],
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name="MultiToolAgent",
    description="A code agent with custom tools and image generation.",
    prompt_templates=prompt_templates,
)

# ------------------------------
# 🎨 Gradio UI 실행
# ------------------------------

GradioUI(agent).launch()