app.py

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

from Gradio_UI import GradioUI

# Below is an example of a tool that does nothing. Amaze us with your creativity !

@tool
def temperature_converter(operation: str) -> str:
    """A secure temperature converter tool that evaluates basic temperature conversions.

    Args:
        operation: The conversion request in the format "<value> <unit> to <target_unit>" 
                         (e.g., "100 C to F", "32 F to C").
                         Supports conversions between Celsius ('C') and Fahrenheit ('F').

    Returns:
        str: The converted temperature result or an error message.
    """
    try:
        # Allowed characters for security
        allowed_chars = set("0123456789CFcf toTO-. ")
        
        if not all(c in allowed_chars for c in operation):
            return "Error: Only 'C' (Celsius) and 'F' (Fahrenheit) conversions are allowed."

        # Normalize input
        operation = operation.strip().upper().replace("TO", " to ")

        # Ensure format is correct
        parts = operation.split()
        if len(parts) != 4 or parts[2] != "TO":
            return "Error: Invalid format. Use the format '100 C to F'."

        value, from_unit, _, to_unit = parts

        # Ensure value is a valid number
        try:
            value = float(value)
        except ValueError:
            return "Error: Invalid temperature value."

        # Perform conversion
        if from_unit == "C" and to_unit == "F":
            result = (value * 9/5) + 32
        elif from_unit == "F" and to_unit == "C":
            result = (value - 32) * 5/9
        else:
            return "Error: Supported conversions are 'C to F' and 'F to C'."

        return f"Result: {value}°{from_unit} = {result:.2f}°{to_unit}"

    except Exception as e:
        return f"Error converting {operation}: {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)}"


final_answer = 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,
)


# 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,temperature_converter,get_current_time_in_timezone], ## 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()