def from_device(cls, *devices, **kwargs):
'''
Create an UInput device with the capabilities of one or more input
devices.
Arguments
---------
devices : InputDevice|str
Varargs of InputDevice instances or paths to input devices.
**kwargs
Keyword arguments to UInput constructor (i.e. name, vendor etc.).
'''
device_instances = []
for dev in devices:
if not isinstance(dev, device.InputDevice):
dev = device.InputDevice(str(dev))
device_instances.append(dev)
all_capabilities = {}
for dev in device_instances:
all_capabilities.update(dev.capabilities())
del all_capabilities[ecodes.EV_SYN]
return cls(events=all_capabilities, **kwargs)
def _find_device(self):
#:bug: the device node might not be immediately available
time.sleep(0.1)
for fn in util.list_devices('/dev/input/'):
d = device.InputDevice(fn)
if d.name == self.name:
return d
def update_from_devices(self, *devices):
device_instances = []
for dev in devices:
if not isinstance(dev, device.InputDevice):
dev = device.InputDevice(str(dev))
device_instances.append(dev)
for dev in device_instances:
self.update_capabilities(dev.capabilities())
self.refresh()
def from_device(cls, *devices, **kwargs):
'''
Create an UInput device with the capabilities of one or more input
devices.
Arguments
---------
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.).
'''
# TODO: Move back to the argument list once Python 2 support is dropped.
filtered_types = kwargs.pop('filtered_types',
(ecodes.EV_SYN, ecodes.EV_FF))
device_instances = []
for dev in devices:
if not isinstance(dev, device.InputDevice):
dev = device.InputDevice(str(dev))
device_instances.append(dev)
all_capabilities = defaultdict(set)
# Merge the capabilities of all devices into one dictionary.
for dev in device_instances:
for ev_type, ev_codes in dev.capabilities().items():
all_capabilities[ev_type].update(ev_codes)
for evtype in filtered_types:
if evtype in all_capabilities:
del all_capabilities[evtype]
return cls(events=all_capabilities, **kwargs)
