relevant conf

PODCAST_FEEDS=['mp3', 'ogg']
POD_BASE_URL="https://archive.org/download/urandom-00X/urandom-00X."
ADDITIONAL_METADATA = {}
for feed in PODCAST_FEEDS:
    ADDITIONAL_METADATA[feed + "_enclosure"] = POD_BASE_URL + feed
    ADDITIONAL_METADATA[feed + "_enclosure_length"] = feed + "_length"