test-tutorial-framework/solvable/src/event_handler_main.py

from tornado.ioloop import IOLoop

from tfw.components import SourceCodeEventHandler, TerminadoEventHandler, ProcessManagingEventHandler, BashMonitor
from tfw.networking import MessageSender, TFWServerConnector
from tfw.config import TFWENV
from tfw.config.logs import logging

LOG = logging.getLogger(__name__)


def cenator(history):
    LOG.debug('User executed command: "%s"', history[-1])
    MessageSender().send('JOHN CENA', 'You\'ve executed "{}"'.format(history[-1]))


def selectdir(history):
    try:
        cmd = history[-1].split()
        if cmd[0] == 'selectdir':
            TFWServerConnector().send_to_eventhandler('webide',
                                                         {'data': {'command': 'selectdir',
                                                                   'directory': cmd[1]}})
    except IndexError:
        LOG.exception('Selectdir failed!')


def toggle_next(history):
    toggle_next.button_state = not toggle_next.button_state
    try:
        cmd = history[-1].split()
        if cmd[0] == 'togglenext':
            TFWServerConnector().send('messagecontrol',
                                         {'data': {'command': 'showbutton',
                                                   'next_visibility': toggle_next.button_state}})
    except IndexError:
        LOG.exception('Togglenext failed!')
toggle_next.button_state = False


if __name__ == '__main__':
    # pylint: disable=invalid-name
    ide = SourceCodeEventHandler(key='webide', allowed_directories=[TFWENV.WEBIDE_WD],
                                 directory=TFWENV.WEBIDE_WD, exclude=['*.pyc'])
    terminado = TerminadoEventHandler(key='shell', monitor=BashMonitor(TFWENV.HISTFILE))
    terminado.historymonitor.subscribe_callback(cenator)
    terminado.historymonitor.subscribe_callback(selectdir)
    terminado.historymonitor.subscribe_callback(toggle_next)
    processmanager = ProcessManagingEventHandler(key='processmanager', dirmonitor=ide.monitor)

    eventhandlers = {ide, terminado, processmanager}
    try:
        IOLoop.instance().start()
    finally:
        for eh in eventhandlers:
            eh.cleanup()