Extract the parent directory path from the given file path

parent_url_extractor.py

#!/usr/bin/env python3
from urllib.parse import urlparse, urlunparse, ParseResult

# Constants
ROOT_PATH = '/'


def extract_parent_path(path: str) -> str:
    """
    Extracts the parent directory path from the given file path.

    This function receives a file or directory path, trims trailing slashes, and returns the parent directory
    path. If the input path resolves to the root level, a predefined root path is returned.

    Args:
        path (str): The input file or directory path.

    Returns:
        str: The parent directory path.
    """
    return '/'.join(path.rstrip('/').split('/')[:-1]) or ROOT_PATH


def get_parent_url(url):
    """Get the parent URL by removing the last segment of the path."""
    parsed_url = urlparse(url)
    parent_path = extract_parent_path(parsed_url.path)
    updated_url: ParseResult = parsed_url._replace(path=parent_path)
    return urlunparse(updated_url)


if __name__ == '__main__':
    input_url = input('URL?: ').strip()
    parent_url = get_parent_url(input_url)
    print(f"Parent URL: {parent_url}")