some small log improvements

bin/key-mapper-control

@@ -97,6 +97,7 @@ def main(options, daemon):
                 continue
 
             preset_path = os.path.join(presets_dir, device, preset + '.json')
+            logger.info('Starting injection: "%s", "%s"', device, preset_path)
             daemon.start_injecting(device, preset_path, config_dir)
 
     if options.command == START:
@@ -109,6 +110,7 @@ def main(options, daemon):
             sys.exit(1)
 
         preset_path = os.path.abspath(os.path.expanduser(options.preset))
+        logger.info('Starting injection: "%s", "%s"', options.device, preset_path)
         daemon.start_injecting(options.device, preset_path, config_dir)
 
     if options.command == STOP:

keymapper/dev/injector.py

@@ -64,7 +64,10 @@ NO_GRAB = 6
 def is_numlock_on():
     """Get the current state of the numlock."""
     try:
-        xset_q = subprocess.check_output(['xset', 'q']).decode()
+        xset_q = subprocess.check_output(
+            ['xset', 'q'],
+            stderr=subprocess.STDOUT
+        ).decode()
         num_lock_status = re.search(
             r'Num Lock:\s+(.+?)\s',
             xset_q

keymapper/state.py

@@ -56,7 +56,10 @@ class SystemMapping:
         self.clear()
         xmodmap_dict = {}
         try:
-            xmodmap = subprocess.check_output(['xmodmap', '-pke']).decode()
+            xmodmap = subprocess.check_output(
+                ['xmodmap', '-pke'],
+                stderr=subprocess.STDOUT
+            ).decode()
             xmodmap = xmodmap.lower()
             mappings = re.findall(r'(\d+) = (.+)\n', xmodmap + '\n')
             for keycode, names in mappings: