get the output of the "gprs list" command in OpenBTS for analysis purposes

gprs_lister.py

"""Continuously records the output of "gprs list" from OpenBTSCLI.

Run as follows (then you can logout of the session and it'll keep going):
  $ nohup python gprs_lister.py &
"""

import time

import envoy


logpath = '/home/endaga/gprs-list.log'
period = 60
separator = '\n==========\n'


while True:
    response = envoy.run('/OpenBTS/OpenBTSCLI -c "gprs list"')
    with open(logpath, 'a') as logfile:
        logfile.write('%s%s' % (response.std_out, separator))
    time.sleep(period)