remove unwanted tags

remove_tags.py

import qbittorrentapi

# instantiate a Client using the appropriate WebUI configuration
client = qbittorrentapi.Client(
    host='http://192.168.0.x',
    port=xxxx,
    username='admin',
    password='xxxx',
)

# the Client will automatically acquire/maintain a logged-in state
# in line with any request. therefore, this is not strictly necessary;
# however, you may want to test the provided login credentials.
try:
    client.auth_log_in()
except qbittorrentapi.LoginFailed as e:
    print(e)

bad_tags = set()
torrent_tags = set()
for torrent in list(client.torrents_info()):
    tags = [ x.strip() for x in torrent.tags.split(',')]
    torrent_tags.update(tags)
    if 'private' not in torrent.trackers[0]['msg']:
        # public torrent
        # print(f'{torrent.hash[-6:]}: {torrent.name} ({torrent.state})')
        bad_tags.update(tags)
    # break

if bad_tags:
    print(f'bad: {bad_tags}')
    client.torrent_tags.delete_tags(tags=bad_tags)

all_tags = set(client.torrent_tags.tags)
empty_tags = all_tags - torrent_tags

if empty_tags:
    print(f'empty: {empty_tags}')
    client.torrent_tags.delete_tags(tags=empty_tags)