baseimage-tutorial-framework/lib/tfw/components/terminado_event_handler.py

from tfw.components.terminado_mini_server import TerminadoMiniServer
from tfw.event_handler_base import TriggerlessEventHandler
from tfw.config import tfwenv
from tfw.config.logs import logging
log = logging.getLogger(__name__)


class TerminadoEventHandler(TriggerlessEventHandler):
    def __init__(self, key):
        super().__init__(key)
        self.working_directory = tfwenv.TERMINADO_DIR
        self.terminado_server = TerminadoMiniServer('/terminal', tfwenv.TERMINADO_PORT, tfwenv.TERMINADO_WD, ['bash'])
        self.commands = {'write': self.write}
        self.terminado_server.listen()

    def handle_event(self, key, data_json):
        log.debug('TerminadoEventHandler received event: {}'.format(data_json))
        data = data_json['data']
        self.commands[data['command']](data)

    def write(self, data):
        self.terminado_server.pty.write(data['shellcmd'])