kete: drop the non-interactive bits from tuhi-kete

Fixes #51

tools/tuhi-kete.py

@@ -246,9 +246,14 @@ class TuhiKeteManager(_DBusObject):
                            None,
                            self._on_name_vanished)
 
-        self.mainloop = None
+        # we can not call GLib.MainLoop() here or it will install a unix signal
+        # handler for SIGINT, and we will not be able to catch
+        # KeyboardInterrupt in cmdloop()
+        self.mainloop = GLib.MainLoop.new(None, False)
+
         self._devices = {}
         self._pairable_devices = {}
+
         for objpath in self.property('Devices'):
             device = TuhiKeteDevice(self, objpath)
             self._devices[device.address] = device
@@ -274,18 +279,13 @@ class TuhiKeteManager(_DBusObject):
         self._pairable_devices = {}
 
     def run(self):
-        if self.mainloop is None:
-            self.mainloop = GObject.MainLoop()
-
         try:
             self.mainloop.run()
         except KeyboardInterrupt:
-            print('\r', end='')  # to remove the ^C
             self.mainloop.quit()
 
     def quit(self):
-        if self.mainloop is not None:
-            self.mainloop.quit()
+        self.mainloop.quit()
 
     def _on_properties_changed(self, proxy, changed_props, invalidated_props):
         if changed_props is None:
@@ -318,10 +318,8 @@ class TuhiKeteManager(_DBusObject):
 
     def _on_name_vanished(self, connection, name):
         logger.error('Tuhi daemon went away')
-        try:
-            self.mainloop.quit()
-        except AttributeError:
-            pass
+        self.mainloop.quit()
+        # FIXME: need to bubble this up to the Worker
 
     def __getitem__(self, btaddr):
         return self._devices[btaddr]
@@ -330,7 +328,7 @@ class TuhiKeteManager(_DBusObject):
         return self
 
     def __exit__(self, exc_type, exc_val, exc_tb):
-        pass
+        self.mainloop.quit()
 
 
 class Worker(GObject.Object):
@@ -956,16 +954,11 @@ class TuhiKeteShell(cmd.Cmd):
 
 
 class TuhiKeteShellWorker(Worker):
-    def __init__(self, manager, args):
+    def __init__(self, manager):
         super(TuhiKeteShellWorker, self).__init__(manager)
 
     def start_mainloop(self):
-        # we can not call GLib.MainLoop() here or it will install a unix signal
-        # handler for SIGINT, and we will not be able to catch
-        # KeyboardInterrupt in cmdloop()
-        mainloop = GLib.MainLoop.new(None, False)
-
-        mainloop.run()
+        self.manager.run()
 
     def start(self):
         self._glib_thread = threading.Thread(target=self.start_mainloop)
@@ -981,61 +974,14 @@ class TuhiKeteShellWorker(Worker):
         self._shell.run()
 
 
-def parse_list(parser):
-    sub = parser.add_parser('list', help='list known devices')
-    sub.set_defaults(worker=Printer)
-
-
-def parse_pair(parser):
-    sub = parser.add_parser('pair', help='pair a new device')
-    sub.add_argument('address', metavar='12:34:56:AB:CD:EF',
-                     type=TuhiKeteDevice.is_device_address,
-                     nargs='?', default=None,
-                     help='the address of the device to pair')
-    sub.set_defaults(worker=Searcher)
-
-
-def parse_listen(parser):
-    sub = parser.add_parser('listen', help='listen to events from a device')
-    sub.add_argument('address', metavar='12:34:56:AB:CD:EF',
-                     type=TuhiKeteDevice.is_device_address,
-                     default=None,
-                     help='the address of the device to listen to')
-    sub.set_defaults(worker=Listener)
-
-
-def parse_fetch(parser):
-    sub = parser.add_parser('fetch', help='download a drawing from a device and save as svg in $PWD')
-    sub.add_argument('address', metavar='12:34:56:AB:CD:EF',
-                     type=TuhiKeteDevice.is_device_address,
-                     default=None,
-                     help='the address of the device to fetch from')
-    sub.add_argument('index', metavar='[<index>|all]', type=str,
-                     default=None,
-                     help='the index of the drawing to fetch or a literal "all"')
-    sub.set_defaults(worker=Fetcher)
-
-
-def parse_shell(parser):
-    sub = parser.add_parser('shell', help='run a bash-like shell')
-    sub.set_defaults(worker=TuhiKeteShellWorker)
-
-
 def parse(args):
-    desc = 'Commandline client to the Tuhi DBus daemon'
+    desc = 'Interactive commandline client to the Tuhi DBus daemon'
     parser = argparse.ArgumentParser(description=desc)
     parser.add_argument('-v', '--verbose',
                         help='Show some debugging informations',
                         action='store_true',
                         default=False)
 
-    subparser = parser.add_subparsers(help='Available commands')
-    parse_list(subparser)
-    parse_pair(subparser)
-    parse_listen(subparser)
-    parse_fetch(subparser)
-    parse_shell(subparser)
-
     return parser.parse_args(args[1:])
 
 
@@ -1044,12 +990,9 @@ def main(args):
     if args.verbose:
         logger.setLevel(logging.DEBUG)
 
-    if not hasattr(args, 'worker'):
-        args.worker = TuhiKeteShellWorker
-
     try:
         with TuhiKeteManager() as mgr:
-            worker = args.worker(mgr, args)
+            worker = TuhiKeteShellWorker(mgr)
             worker.start()
 
     except DBusError as e: