kwinscripter.py

#!/usr/bin/python3

import sys, os

def debug(*args):
	# if True:
	if False:
		print(*args)

if len(sys.argv) >= 2:
	scriptPath=sys.argv[1]
else:
	scriptPath='~/.local/share/plasmashell/interactiveconsoleautosave.js'

scriptPath=os.path.abspath(os.path.expanduser(scriptPath))
debug('scriptPath', scriptPath)


# https://dbus.freedesktop.org/doc/dbus-python/doc/tutorial.html
import dbus
from dbus.mainloop.glib import DBusGMainLoop

DBusGMainLoop(set_as_default=True)
bus = dbus.SessionBus()

# https://github.com/KDE/plasma-workspace/blob/master/components/shellprivate/interactiveconsole/interactiveconsole.cpp
scriptingObj = bus.get_object('org.kde.KWin', '/Scripting')
scriptManager = dbus.Interface(scriptingObj, dbus_interface='org.kde.kwin.Scripting')

scriptId = scriptManager.loadScript(scriptPath)
debug('scriptId', scriptId)

scriptObj = bus.get_object('org.kde.KWin', '/{}'.format(scriptId))

script = dbus.Interface(scriptObj, dbus_interface='org.kde.kwin.Scripting')

def onPrintError(text):
	print('Error: {}'.format(text))
script.connect_to_signal('printError', onPrintError)

def onPrint(text):
	print(text)
script.connect_to_signal('print', onPrint)

from gi.repository import GLib
loop = GLib.MainLoop()

script.run()

try:
	loop.run()
except: # Eg: KeyboardInterupt. Doesn't work for SIGTERM though... oh well.
	script.stop()