checking for GLib.GError on bus.get, redundant gi.require_version

bin/key-mapper-gtk

@@ -29,12 +29,11 @@ from argparse import ArgumentParser
 import gi
 gi.require_version('Gtk', '3.0')
 gi.require_version('GLib', '2.0')
-from gi.repository import Gtk, GLib
+from gi.repository import Gtk
 
 from keymapper.logger import update_verbosity, log_info
 from keymapper.gtk.window import Window
 from keymapper.daemon import Daemon
-from keymapper.dev.permissions import can_read_devices
 
 
 try:

keymapper/daemon.py

@@ -28,6 +28,7 @@ https://github.com/LEW21/pydbus/tree/cc407c8b1d25b7e28a6d661a29f9e661b1c9b964/ex
 import subprocess
 
 from pydbus import SessionBus
+from gi.repository import GLib
 
 from keymapper.logger import logger
 from keymapper.dev.injector import KeycodeInjector
@@ -49,15 +50,22 @@ def is_service_running():
 
 def get_dbus_interface():
     """Get an interface to start and stop injecting keystrokes."""
+    msg = (
+        'The daemon "key-mapper-service" is not running, mapping keys '
+        'only works as long as the window is open.'
+    )
+
     if not is_service_running():
-        logger.warning(
-            'The daemon "key-mapper-service" is not running, mapping keys '
-            'only works as long as the window is open.'
-        )
+        logger.warning(msg)
         return Daemon()
 
     bus = SessionBus()
-    interface = bus.get(BUS_NAME)
+    try:
+        interface = bus.get(BUS_NAME)
+    except GLib.GError as error:
+        logger.debug(error)
+        logger.warning(msg)
+        return Daemon()
 
     return interface
 

keymapper/dev/keycode_mapper.py

@@ -30,7 +30,7 @@ from keymapper.logger import logger
 from keymapper.dev.ev_abs_mapper import JOYSTICK
 
 
-def should_map_event_as_btn(ev_type, code): 
+def should_map_event_as_btn(ev_type, code):
     """Does this event describe a button.
 
     Especially important for gamepad events, some of the buttons

keymapper/gtk/row.py

@@ -25,8 +25,6 @@
 import evdev
 
 import gi
-gi.require_version('Gtk', '3.0')
-gi.require_version('GLib', '2.0')
 from gi.repository import Gtk, GLib
 
 from keymapper.state import custom_mapping

keymapper/gtk/unsaved.py

@@ -23,8 +23,6 @@
 
 
 import gi
-gi.require_version('Gtk', '3.0')
-gi.require_version('GLib', '2.0')
 from gi.repository import Gtk
 
 from keymapper.data import get_data_path

keymapper/gtk/window.py

@@ -25,8 +25,6 @@
 import evdev
 from evdev.ecodes import EV_KEY
 import gi
-gi.require_version('Gtk', '3.0')
-gi.require_version('GLib', '2.0')
 from gi.repository import Gtk, Gdk, GLib
 
 from keymapper.data import get_data_path

tests/test.py

@@ -32,6 +32,9 @@ import multiprocessing
 import asyncio
 
 import evdev
+import gi
+gi.require_version('Gtk', '3.0')
+gi.require_version('GLib', '2.0')
 
 from keymapper.logger import update_verbosity
 

tests/testcases/test_daemon.py

@@ -27,7 +27,6 @@ import time
 import evdev
 from evdev.ecodes import EV_KEY
 import gi
-gi.require_version('Gtk', '3.0')
 from gi.repository import Gtk
 
 from keymapper.state import custom_mapping, system_mapping