python3 setup.py install
You can find an easy example in bin/pyalfred.
import pyalfred
ac = pyalfred.AlfredConnection()
# Send "Hello World" as id 64 (with the local mac as sender)
ac.send(64, "Hello World")
# Send "Wake up, Neo" as id 64 (with a custom mac as sender)
ac.send(64, "Wake up, Neo", mac="00:11:22:33:44:55")
# Receive all data with id 64 (returns a dict with mac keys)
data = ac.fetch(64)