IBus enable/disable

ibus-switch.py

#! /usr/bin/python
# coding: utf-8

import sys
try:
    from ibus import bus, inputcontext
except ImportError:
    sys.exit(1)

msg_usage = '''usage: ibus-switch.py [on | off | toggle]
  on        : enable input method
  off       : disable input method
  toggle    : toggle input method
  -h, --help: display this help and exit
'''

if (not len(sys.argv) is 2 or
    sys.argv[1].lower() in ['-h', '--help']):
    print msg_usage
    sys.exit(1)

arg_switch = sys.argv[1].lower()

try:
    bus = bus.Bus()
    ic = inputcontext.InputContext(bus, bus.current_input_contxt())
    if arg_switch == 'toggle':
        if ic.is_enabled():
            arg_switch = 'off'
        else:
            arg_switch = 'on'
    if arg_switch == 'on':
        ic.enable()
    elif arg_switch == 'off':
        ic.disable()
except:
    import subprocess
    subprocess.call(['/usr/bin/ibus-daemon', '-drx'])