Download all No Such Thing As A Fish episodes to current folder.

get_episodes.py

####
#
#  Download all No Such Thing As A Fish episodes to current folder
#
#  How to use: `python get_episodes.py`
#
#  THIS WILL DOWNLOAD OVER 20 GIGABYTES OF MP3s
#
####

from datetime import datetime
from pathlib import Path
import feedparser
import urllib.request
import sys

def now():
    return datetime.now().strftime('%H:%M:%S')

def log(episode_num, *msg):
    print(f'-- {now()} -- Episode {episode_num} --', *msg)

def is_episode(episode):
    return True if getattr(episode,'itunes_episode', None) else False

def is_audio(media):
    return media['medium'] == 'audio'

def make_audio_file_path(episode_num):
    return f'{episode_num}.mp3'

def get_audio_url(episode):
    audio, *_ = filter(is_audio, episode['media_content'])
    return audio['url']

def get_episode_num(episode):
    return int(episode['itunes_episode'])

def download_episode_audio(episode):
    episode_num = get_episode_num(episode)
    audio_url = get_audio_url(episode)
    audio_path = make_audio_file_path(episode_num)
    if Path(audio_path).exists():
        log(episode_num, 'Already downloaded audio. Skipping.')
    else:
        log(episode_num, f'Downloading audio at {audio_url}.')
        urllib.request.urlretrieve(audio_url, audio_path)

opener = urllib.request.build_opener()
opener.addheaders = [(
    'User-Agent',
    'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36'
)]

rss_feed_url = 'https://audioboom.com/channels/2399216.rss'
def get_rss_episodes():
    return filter(lambda e: is_episode(e), reversed(feedparser.parse(rss_feed_url)['entries']))

# All of this is idempotent
# Run it as many times as you like
# It will fill in any gaps
if __name__ == '__main__':
    try:
        # Download all episodes to current folder
        for episode in get_rss_episodes():
            download_episode_audio(episode)
    except KeyboardInterrupt:
        print('\n[CTRL + C DETECTED] Script interrupted. Cleaning up.')
        sys.exit(0)