#!/usr/bin/env python3
import os
import requests


def download_pdf_file(url: str) -> bool:
    """Download PDF from given URL to local directory.

    :param url: The url of the PDF file to be downloaded
    :return: True if PDF file was successfully downloaded, otherwise False.
    """

    # Request URL and get response object
    response = requests.get(url, stream=True)

    # isolate PDF filename from URL
    pdf_file_name = os.path.basename(url)
    if response.status_code == 200:
        # Save in current working directory
        filepath = os.path.join(os.getcwd(), pdf_file_name)
        with open(filepath, 'wb') as pdf_object:
            pdf_object.write(response.content)
            print(f'{pdf_file_name} was successfully saved!')
            return True
    else:
        print(f'Uh oh! Could not download {pdf_file_name},')
        print(f'HTTP response status code: {response.status_code}')
        return False


if __name__ == '__main__':
    # URL from which pdfs to be downloaded
    URL = 'https://raw.githubusercontent.com/seraph776/DevCommunity/main/PDFDownloader/assests/the_raven.pdf'
    download_pdf_file(URL)

the_raven.pdf was successfully saved!