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#!/usr/bin/python3 import string import subprocess import sys import random from argparse import ArgumentParser, SUPPRESS from gi.repository import GLib, Gio PREFIX = "com.canonical.Terminal." class GnomeTerminal(object): @staticmethod def generate_random_string(length=32, chars=string.ascii_lowercase + string.ascii_uppercase): return ''.join(random.choice(chars) for _ in range(length)) @staticmethod def find_new_name(): name = PREFIX + GnomeTerminal.generate_random_string() proxy = Gio.DBusProxy.new_for_bus_sync( Gio.BusType.SESSION, Gio.DBusProxyFlags.DO_NOT_AUTO_START | Gio.DBusProxyFlags.DO_NOT_CONNECT_SIGNALS | Gio.DBusProxyFlags.DO_NOT_LOAD_PROPERTIES, None, name, "/org/gnome/Terminal", "org.freedesktop.Application", None) return name if proxy.get_name_owner() is None else find_new_name() def exit_loop(self, a, b, subprocess): sys.exit(subprocess.get_exit_status()) def server_appeared(self, con, name, owner): # start gnome-terminal now Gio.Subprocess.new(['/usr/bin/gnome-terminal.real', '--app-id', name] + self.args, Gio.SubprocessFlags.NONE) def spawn_terminal_server(self, name, cls): args = ['/usr/libexec/gnome-terminal-server', '--app-id', name] if cls is not None: args.extend(['--class', cls]) ts = Gio.Subprocess.new(args, Gio.SubprocessFlags.NONE) ts.wait_async(None, self.exit_loop, ts) def __init__(self, args, mainloop): self.name = None self.mainloop = mainloop parser = ArgumentParser(add_help=False, usage=SUPPRESS) parser.add_argument('--app-id', action='store', dest='appid') # swallow these arguments parser.add_argument('-h', '--help', action='store_true', dest='help') parser.add_argument('--disable-factory', action='store_true') parser.add_argument('--class', action='store', dest='cls') cmdargs, unknown = parser.parse_known_args() self.args = unknown self.args.insert(0, "/usr/bin/gnome-terminal.real") if cmdargs.help: self.args.append('--help') if cmdargs.cls is not None and cmdargs.appid is None: self.name = PREFIX + cmdargs.cls elif cmdargs.appid is not None: self.name = cmdargs.appid # --disable-factory, --class and --app-id weren't supplied, so just # invoke g-t if not cmdargs.disable_factory and self.name is None: sys.exit(subprocess.call(self.args)) if self.name is None: self.name = self.find_new_name() Gio.bus_watch_name(Gio.BusType.SESSION, self.name, Gio.BusNameWatcherFlags.NONE, self.server_appeared, None) self.spawn_terminal_server(self.name, cmdargs.cls) def main(): mainloop = GLib.MainLoop() GnomeTerminal(sys.argv[:], mainloop) try: mainloop.run() except KeyboardInterrupt: pass if __name__ == "__main__": main()