raise UInputError on uinput.capabilities() if device couldn't be opened

gvalkov · gvalkov · commit c085d4057f04 · 2013-11-10T16:24:36.000+01:00
diff --git a/evdev/uinput.py b/evdev/uinput.py
@@ -168,6 +168,9 @@ def syn(self):
 
     def capabilities(self, verbose=False, absinfo=True):
         '''See :func:`capabilities <evdev.device.InputDevice.capabilities>`.'''
+        if self.device is None:
+            raise UInputError('input device not opened - cannot read capabilites')
+
         return self.device.capabilities(verbose, absinfo)
 
     def _verify(self):
