"""Tool to parse Python code."""
import os
from langchain_core.tools import tool
from langchain_community.document_loaders.generic import GenericLoader
from langchain_community.document_loaders.parsers import LanguageParser

@tool
def python_code_parser(file_path: str) -> str:
    """
    Parse Python code to extract function names and their docstrings.

    Args:
        file_path: The path to the Python file to parse.

    Returns:
        Interpreted Python code as a string.
    """
    if not os.path.exists(file_path):
        return "0"


    loader = GenericLoader.from_filesystem(
        file_path,
        glob="**/*",
        suffixes=[".py"],
        parser=LanguageParser()
    )
    search_docs = loader.load()

    formatted_search_docs = "\n\n---\n\n".join(
    [
        f'<Document source="{doc.metadata["source"]}" page="{doc.metadata.get("page", "")}"/>\n{doc.page_content}\n</Document>'
        for doc in search_docs
    ])

    return {"audio_results": formatted_search_docs}