app.py

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

from Gradio_UI import GradioUI


@tool
def project_structure(get_file_structure:str)-> str: #it's import to specify the return type
    """A tool that returns the current project's file structure.
    Args:
        get_file_structure: A string representing the path to the project directory; if empty or whitespace, uses the current directory.
    """
    try:
        # Determine root path (use current directory if none specified)
        root = get_file_structure.strip() or '.'
        if not os.path.isdir(root):
            return f"Error: '{root}' is not a valid directory."

        tree_lines = []
        # Walk the directory tree
        for dirpath, dirnames, filenames in os.walk(root):
            # Compute nesting level based on how deep we are from root
            rel_path = os.path.relpath(dirpath, root)
            level = 0 if rel_path == '.' else rel_path.count(os.sep) + 1
            indent = '    ' * (level - 1) if level > 0 else ''
            
            # Add directory itself
            tree_lines.append(f"{indent}{os.path.basename(dirpath)}/")
            
            # Add files in this directory, indented one more level
            for filename in sorted(filenames):
                tree_lines.append(f"{indent}    {filename}")

        return "\n".join(tree_lines)

    except Exception as e:
        return f"Error generating file structure for '{get_file_structure}': {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 = InferenceClientModel(
    max_tokens=2096,
    temperature=0.5,
    model_id='Qwen/Qwen2.5-Coder-32B-Instruct',
    custom_role_conversions=None,
)


# Load system prompt from prompt.yaml file
with open("prompts.yaml", 'r') as stream:
    prompt_templates = yaml.safe_load(stream)
    
agent = CodeAgent(
    model=model,
    tools=[final_answer, project_structure, 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()