Refactor TerminalCommands

solvable/src/custom_event_handlers.py

@@ -1,33 +1,29 @@
 import logging
 from ast import literal_eval
 
-from tfw.components import MessageSender, TerminalCommands
+from tfw.components import MessageSender
-from tfw.builtins import EventHandler, FSMAwareEventHandler, TFWServerUplinkConnector
+from tfw.builtins import TFWServerUplinkConnector
+from tfw.builtins import EventHandler, FSMAwareEventHandler, TerminalCommandsEventHandler
 
 LOG = logging.getLogger(__name__)
 
 
-class TerminalCallbackEventHandler(EventHandler):
+class CenatorEventHandler(EventHandler):
     """
     Logs commands executed in terminal to messages and invokes an
     additional callback function to handle special commands.
     !! Please remove from production code. !!
     """
-    def __init__(self, key, callback):
+    def __init__(self, key):
-        self.callback = callback
         super().__init__(key)
 
     def handle_event(self, message):
         command = message['value']
-        self.cenator(command)
-        self.callback(command)
-
-    def cenator(self, command):
         LOG.debug('User executed command: "%s"', command)
         MessageSender(self.server_connector).send('JOHN CENA', f'You\'ve executed "{command}"')
 
 
-class TestCommands(TerminalCommands):
+class TestCommandsEventHandler(TerminalCommandsEventHandler):
     """
     Some example commands useful for debugging.
     !! Please remove from production code !! and inherit your own
@@ -54,31 +50,6 @@ class TestCommands(TerminalCommands):
         else:
             TFWServerUplinkConnector().send_message(literal_eval(args[0]))
 
-    def command_seppuku_tfw(self, *args):
-        """
-        Restart tfw_server.py and event_handler_main.py.
-        This can speed up development when combined with mounting
-        volumes from host to container.
-        """
-        seppuku = (
-            'nohup sh -c "supervisorctl restart tfwserver event_handler_main" &> /dev/null & '
-            'clear && echo "Committed seppuku! :)" && sleep infinity'
-        )
-        uplink = TFWServerUplinkConnector()
-        uplink.send_message({
-            'key': 'shell',
-            'data': {
-                'command': 'write',
-                'value': f'{seppuku}\n'
-            }
-        })
-        uplink.send_message({
-            'key': 'dashboard',
-            'data': {
-                'command': 'reloadFrontend'
-            }
-        })
-
 
 class MessageFSMStepsEventHandler(FSMAwareEventHandler):
     """

solvable/src/event_handler_main.py

@@ -13,7 +13,7 @@ from tfw.logging import Log, Logger, LogFormatter, VerboseLogFormatter
 from tao.config import TAOENV
 
 from custom_event_handlers import MessageFSMStepsEventHandler
-from custom_event_handlers import TerminalCallbackEventHandler, TestCommands
+from custom_event_handlers import CenatorEventHandler, TestCommandsEventHandler
 from signal_handling import setup_signal_handlers
 
 LOG = logging.getLogger(__name__)
@@ -44,9 +44,10 @@ def main():
     terminal = TerminalEventHandler(  # Web shell backend
         key='shell'
     )
-    commands = TerminalCallbackEventHandler( # Reacts to terminal commands
+    cenator = CenatorEventHandler('history.bash') # Reacts to terminal commands
-        'history.bash',
+    commands = TestCommandsEventHandler( # Catches special commands
-        TestCommands(bashrc=f'/home/{TAOENV.USER}/.bashrc').callback
+        key='history.bash',
+        bashrc=f'/home/{TAOENV.USER}/.bashrc'
     )
     processmanager = ProcessManagingEventHandler(  # Handles 'deploy' button clicks
         key='processmanager',