alarm.py

import sys
import os
from urllib.request import urlretrieve
import feedparser
import pygame

from podcasts import podcasts

# Use quotes around argument
podcast = sys.argv[1]

feed = feedparser.parse(f'https://www.npr.org/rss/podcast.php?id={podcasts[podcast]}')
items = feed['entries']
podcast_ep = items[0].title
podcast_url = items[0].links[0].href

def play(podcast, podcast_ep):
    """Plays mp3 files"""
    pygame.init()
    pygame.mixer.music.load(os.path.join('archive', f'{podcast}',
                                         f'{podcast_ep}.mp3'))
    pygame.mixer.music.play(0)

    clock = pygame.time.Clock()
    clock.tick(10)
    while pygame.mixer.music.get_busy():
        pygame.event.poll()
        clock.tick(10)

# download file and save to archive

def main():
    os.makedirs(os.path.join('archive', f'{podcast}'), exist_ok=True)
    urlretrieve(podcast_url, 
                os.path.join('archive',f'{podcast}',f'{podcast_ep}.mp3'))
    play(podcast, podcast_ep)

if __name__ == '__main__':
    main()