Make excluded event types configurable and exclude EV_FF by default

gvalkov · gvalkov · commit fd0ecf21772f · 2018-02-25T13:03:51.000+01:00
diff --git a/evdev/uinput.py b/evdev/uinput.py
@@ -32,7 +32,7 @@ class UInput(EventIO):
     )
 
     @classmethod
-    def from_device(cls, *devices, **kwargs):
+    def from_device(cls, *devices, filtered_types=(ecodes.EV_SYN, ecodes.EV_FF), **kwargs):
         '''
         Create an UInput device with the capabilities of one or more input
         devices.
@@ -42,6 +42,9 @@ def from_device(cls, *devices, **kwargs):
         devices : InputDevice|str
           Varargs of InputDevice instances or paths to input devices.
 
+        filtered_types : Tuple[event type codes]
+          Event types to exclude from the capabilities of the uinput device.
+
         **kwargs
           Keyword arguments to UInput constructor (i.e. name, vendor etc.).
         '''
@@ -59,7 +62,8 @@ def from_device(cls, *devices, **kwargs):
             for ev_type, ev_codes in dev.capabilities().items():
                 all_capabilities[ev_type].update(ev_codes)
 
-        del all_capabilities[ecodes.EV_SYN]
+        for evtype in filtered_types:
+            del all_capabilities[evtype]
 
         return cls(events=all_capabilities, **kwargs)
 
