Generates an XML feed file for a directory of media files. Next you could serve the directory with a web server, subscribe to the feed in your podcatcher and download episodes.

podcast-feed-generator.py

#!/usr/bin/python3

from pathlib import Path
import urllib.parse

def walk_tree(path):
    for f in path.iterdir():
        if f.is_dir():
            yield from walk_tree(f)
        else:
            yield f

suffixes = ['.mp3', '.mp4', '.mkv', '.m4a', '.m4b', '.ogg', '.opus', '.wmv', '.avi']


p = Path('.')
out = open('feed.xml', 'w')
feed_name = 'Your Feed Name'
base_url = 'http://192.168.0.123:8000/'
out.write('''\
<?xml version="1.0" encoding="UTF-8" ?>
<rss version="2.0">

<channel>
''')
out.write('<title>' + feed_name + '</title>\n')


for f in sorted(walk_tree(p), key=lambda x: str(x)):
    if f.suffix in suffixes:
        print(f)
        out.write('<item><title>' + str(f) + '</title>')
        # TODO: add guid to not have double entries
        out.write('<enclosure url="' + base_url + urllib.parse.quote(str(f)) + '" /></item>\n')

out.write('''\
</channel>

</rss>
''')