a simple attr monitor CLI done with taurus

monitor.py

# this is an example to answer the question in 
# https://www.tango-controls.org/community/forum/c/development/python/quickest-way-to-write-a-command-line-taurus-client/

import taurus
import time


def print_attr_value(src, _type, value):
    print("[{t:}] {name:}={rvalue:}".format(
        t=value.time.isoformat(),
        name=src.getSimpleName(),
        rvalue=value.rvalue
    ))

def monitor(attr_names=(), period=1000):
    taurus.Manager().changeDefaultPollingPeriod(period)
    attrs = []
    for n in attr_names:
        a = taurus.Attribute(n)
        a.addListener(print_attr_value)
        attrs.append(a)
    time.sleep(10)

if __name__ == '__main__':
    monitor(attr_names=('sys/tg_test/1/ampli', 'eval:rand()'), period=500)