ciscoaxl is a simple to use python sdk for Cisco Unified Communications Manager AXL API.
pip install ciscoaxl
from ciscoaxl import axl
cucm = '10.10.20.1'
username = 'axlaccess'
password = 'axlpassword'
version = '12.5'
ucm = axl(username=username,password=password,cucm=cucm,cucm_version=version)
users = ucm.get_users()