70 lines
2.4 KiB
Python
70 lines
2.4 KiB
Python
import logging
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from ast import literal_eval
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from tfw.components import MessageSender
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from tfw.builtins import TerminalCommandsEventHandler
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from tfw.main import TFWUplinkConnector
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LOG = logging.getLogger(__name__)
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class CenatorEventHandler:
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keys = ['history.bash']
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# pylint: disable=no-self-use
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"""
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Logs commands executed in terminal to messages and invokes an
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additional callback function to handle special commands.
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!! Please remove from production code. !!
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"""
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def handle_event(self, message, server_connector):
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command = message['value']
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LOG.debug('User executed command: "%s"', command)
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MessageSender(server_connector).send('JOHN CENA', f'You\'ve executed "{command}"')
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class TestCommandsEventHandler(TerminalCommandsEventHandler):
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"""
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Some example commands useful for debugging.
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!! Please remove from production code !! and inherit your own
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class from TerminalCommands if you need to define custom
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commands in your challenge.
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"""
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# pylint: disable=unused-argument, attribute-defined-outside-init, no-self-use
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def command_sendmessage(self, *args):
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"""
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Insert TFW message template as first argument if executed without args.
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Evaluate first argumen as a dict and send it to the frontend.
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This is useful for playing around with frontend APIs.
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"""
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if not args:
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message_template = """'{"key": "", "data": {"command": ""}}'"""
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TFWUplinkConnector().send_message({
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'key': 'shell',
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'data': {
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'command': 'write',
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'value': f'sendmessage {message_template}'
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}
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})
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else:
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TFWUplinkConnector().send_message(literal_eval(args[0]))
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class MessageFSMStepsEventHandler:
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# pylint: disable=no-self-use
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"""
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This example EventHandler is capable of detecting FSM state.
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!! Please remove from production code !!
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"""
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def handle_event(self, message, server_connector):
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"""
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When the FSM steps this method is invoked.
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Receives a 'data' field from an fsm_update message as kwargs.
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"""
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MessageSender(server_connector).send(
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'FSM info',
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f'FSM has stepped from state "{message["last_event"]["from_state"]}" '
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f'to state "{message["current_state"]}" in response to trigger "{message["last_event"]["trigger"]}"'
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)
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