__main__.py

import argparse
from swaglyrics.cli import lyrics, clear
from swaglyrics.tab import app
from swaglyrics import spotify
import time


def main():
	parser = argparse.ArgumentParser(
		description="Get lyrics for currently playing song on Spotify. Either --tab or --cli is required.")

	parser.add_argument('-t', '--tab', action='store_true', help='Display lyrics in a browser tab.')
	parser.add_argument('-c', '--cli', action='store_true', help='Display lyrics in the command-line.')

	args = parser.parse_args()

	if args.tab:
		app.run()

	elif args.cli:
		song = spotify.song()  # get currently playing song
		artist = spotify.artist()  # get currently playing artist
		print(lyrics(song, artist))
		print('\n(Press Ctrl+C to quit)')
		while True:
			# refresh every 5s to check whether song changed
			# if changed, display the new lyrics
			try:
				if song == spotify.song() and artist == spotify.artist():
					time.sleep(5)
				else:
					song = spotify.song()
					artist = spotify.artist()
					if song and artist is not None:
						clear()
						print(lyrics(song, artist))
						print('\n(Press Ctrl+C to quit)')
			except KeyboardInterrupt:
				exit()

	else:
		parser.print_help()