#! /usr/bin/env python3
#

import sys, time

if ( len(sys.argv) != 3 ):
    print ( "" )
    print ( "Usage:  test_write field_name new_value" )
    print ( "" )
    sys.exit(0)

#  Add the Mp modules directory to the Python module load path.

sys.path[:0] = [ "/opt/mx/lib/mp" ]

import Mp

database_name = "/opt/mx/etc/mxmotor.dat"

mx_database = Mp.setup_database( database_name )

field_description = sys.argv[1]

name_list = field_description.split( "." )

if ( len(name_list) != 2 ):
    print ( "" )
    print ( "The name should be in the form 'record_name.field_name" )
    print ( "" )
    sys.exit(0)

record_name = name_list[0]

mx_record = mx_database.get_record( name_list[0] )

field_name = name_list[1]

mx_record.write_field( field_name, sys.argv[2] )