Concert is a light-weight control system interface to control Tango and native devices. It can be used as a library:
from concert.quantities import q
from concert.devices.motors.dummy import Motor
motor = Motor()
motor.position = 10 * q.mm
motor.move(-5 * q.mm)or from a session and within an integrated IPython shell:
$ concert init session
$ concert start session
In [1]: motor.position = 10 * q.mm
10.0 millimeterYou can read more about Concert in the official documentation.