For write operations you need to be authenticated. Last.fm has multiple ways to authenticate users the most simple is to provide your full credentials.
Find a track by artist and name, retrieve the album, add some user tags and
love the Back in Black
>>> import pydrag
>>> pydrag.configure("<api_key>", "<api_secret>", "<username>", "<password>")
lets say it worked
>>> track = pydrag.Track.find(artist="AC / DC", track="Hells Bell")
>>> album = track.album
>>> album.to_dict()
{'attr': {'position': 1}, 'name': 'Back in Black', 'mbid': '38914b29-7788-4cff-80b7-1ced523f8675', 'url': 'https://www.last.fm/music/AC%2FDC/Back+in+Black', 'image': [{'size'
: 'small', 'text': 'https://lastfm-img2.akamaized.net/i/u/34s/3d359b955132742bc2fc3eacdff90b8c.png'}, {'size': 'medium', 'text': 'https://lastfm-img2.akamaized.net/i/u/64s/3d
359b955132742bc2fc3eacdff90b8c.png'}, {'size': 'large', 'text': 'https://lastfm-img2.akamaized.net/i/u/174s/3d359b955132742bc2fc3eacdff90b8c.png'}, {'size': 'extralarge', 'te
xt': 'https://lastfm-img2.akamaized.net/i/u/300x300/3d359b955132742bc2fc3eacdff90b8c.png'}], 'artist': {'name': 'AC/DC'}}
>>> full_album_info = track.album.get_info()
>>>
>>> full_album_info.add_tags(["awesome", "love"])
>>>
>>> back_in_black = next(track for track in full_album_info.tracks if track.name == "Back in Black")
>>> write_op = back_in_black.get_info().love()
>>> write_op.params
{'method': 'track.love', 'artist': 'AC/DC', 'track': 'Back in Black'}
>>>.. toctree::
:maxdepth: 2
:numbered:
usage
api