CODE EXAMPLE FOR PYTHON

on progress callback pytube

from pytube import YouTube
from pytube.cli import on_progress
 
fuchsia = '33[38;2;255;00;255m'   #  color as hex #FF00FF
reset_color = '33[39m'
 
# url is url of youtube video to download.
def download_youtube(url):
 
    """ Instantiates YouTube class and downloads selected video.  Uses Built-in
    pytube.cli function on_progress to show a DOS style progress bar. """
    yt = YouTube(url, on_progress_callback=on_progress)
 
    # following line displays title and number of times video has been viewed. 
    print(f'
' + fuchsia + 'Downloading: ', yt.title, '~ viewed', yt.views, 
    'times.')
 
    # creates download and downloads to subdirectory called 'downloads'
    yt.streams.first().download('.downloads')
 
    # displays message verifying download is complete, and resets color scheme 
    # back to original color scheme.
    print(f'
Finished downloading:  {yt.title}' + reset_color)