Found here: https://clutch.readthedocs.io
Install the package:
$ pip install transmission-clutch
Make a client:
from clutch import Client
client = Client()
If you find the client isn't connecting (an error will be raised), make sure you're entering the address correctly. Reference urllib.parse.urlparse for parsing rules.
You can specify Transmission's address when making the client:
client = Client(address="http://localhost:9091/transmission/rpc")
RPC methods are separated into groups: torrent, session, queue and misc.
Methods are called by first specifying a group:
client.torrent.add(...)