app.py

import datetime

import pytz
import yaml
from smolagents import CodeAgent, DuckDuckGoSearchTool, HfApiModel, load_tool, tool

from Gradio_UI import GradioUI
from tools.final_answer import FinalAnswerTool

# If the agent does not answer, the model is overloaded, please use another model or the following Hugging Face Endpoint that also contains qwen2.5 coder:
# model_id='https://pflgm2locj2t89co.us-east-1.aws.endpoints.huggingface.cloud'

model = HfApiModel(
    max_tokens=2096,
    temperature=0.5,
    model_id="Qwen/Qwen2.5-Coder-32B-Instruct",  # it is possible that this model may be overloaded
    custom_role_conversions=None,
)


@tool
def analyze_sentiment(snippet: str) -> str:
    """A tool that analyzes if the sentiment of the snippet is positive, negative, or neutral.
    Args:
        snippet: A string representing the text to be analyzed.
    """
    try:
        output = model.create_client().chat.completions.create(
            messages=[
                {
                    "role": "system",
                    "content": "You are a sentiment analysis expert. Your task is to analyze the sentiment of the given text and respond with exactly one word: 'positive', 'negative', or 'neutral'. Do not include any other text in your response.",
                },
                {
                    "role": "user",
                    "content": f"Analyze the sentiment of this text: {snippet}",
                },
            ],
            stream=False,
            max_tokens=5,
            temperature=0.1,
        )
        sentiment = "Sentiment: " + output.choices[0].message.content.strip().lower()
        return sentiment
    except Exception as e:
        return f"Error analyzing sentiment: {str(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)}"


web_search = DuckDuckGoSearchTool()
final_answer = FinalAnswerTool()


# 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=[
        get_current_time_in_timezone,
        web_search,
        analyze_sentiment,
        final_answer,
    ],
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates,
)


GradioUI(agent).launch()