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#!/usr/bin/python3
import argparse
import contextlib
import evdev
import json
import sys
parser = argparse.ArgumentParser()
parser.add_argument('device')
args = parser.parse_args(sys.argv[1:])
with contextlib.closing(evdev.InputDevice(args.device)) as device:
out = {}
out['linux-evdev-device-desc'] = 0
out['name'] = device.name
info = {}
info['bustype'] = device.info.bustype
info['vendor'] = device.info.vendor
info['product'] = device.info.product
info['version'] = device.info.version
out['info'] = info
caps = {}
for t, l in device.capabilities().items():
if t == evdev.ecodes.EV_SYN:
continue
caps[t] = l
out['capabilities'] = caps
# TODO: LEDs
json.dump(out, sys.stdout, indent = 4)
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