diff options
Diffstat (limited to 'Python/venv1/Lib/site-packages/keyboard/_nixcommon.py')
| -rw-r--r-- | Python/venv1/Lib/site-packages/keyboard/_nixcommon.py | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/Python/venv1/Lib/site-packages/keyboard/_nixcommon.py b/Python/venv1/Lib/site-packages/keyboard/_nixcommon.py deleted file mode 100644 index a4d0d06..0000000 --- a/Python/venv1/Lib/site-packages/keyboard/_nixcommon.py +++ /dev/null @@ -1,174 +0,0 @@ -# -*- coding: utf-8 -*- -import struct -import os -import atexit -from time import time as now -from threading import Thread -from glob import glob -try: - from queue import Queue -except ImportError: - from Queue import Queue - -event_bin_format = 'llHHI' - -# Taken from include/linux/input.h -# https://www.kernel.org/doc/Documentation/input/event-codes.txt -EV_SYN = 0x00 -EV_KEY = 0x01 -EV_REL = 0x02 -EV_ABS = 0x03 -EV_MSC = 0x04 - -def make_uinput(): - if not os.path.exists('/dev/uinput'): - raise IOError('No uinput module found.') - - import fcntl, struct - - # Requires uinput driver, but it's usually available. - uinput = open("/dev/uinput", 'wb') - UI_SET_EVBIT = 0x40045564 - fcntl.ioctl(uinput, UI_SET_EVBIT, EV_KEY) - - UI_SET_KEYBIT = 0x40045565 - for i in range(256): - fcntl.ioctl(uinput, UI_SET_KEYBIT, i) - - BUS_USB = 0x03 - uinput_user_dev = "80sHHHHi64i64i64i64i" - axis = [0] * 64 * 4 - uinput.write(struct.pack(uinput_user_dev, b"Virtual Keyboard", BUS_USB, 1, 1, 1, 0, *axis)) - uinput.flush() # Without this you may get Errno 22: Invalid argument. - - UI_DEV_CREATE = 0x5501 - fcntl.ioctl(uinput, UI_DEV_CREATE) - UI_DEV_DESTROY = 0x5502 - #fcntl.ioctl(uinput, UI_DEV_DESTROY) - - return uinput - -class EventDevice(object): - def __init__(self, path): - self.path = path - self._input_file = None - self._output_file = None - - @property - def input_file(self): - if self._input_file is None: - try: - self._input_file = open(self.path, 'rb') - except IOError as e: - if e.strerror == 'Permission denied': - print('Permission denied ({}). You must be sudo to access global events.'.format(self.path)) - exit() - - def try_close(): - try: - self._input_file.close - except: - pass - atexit.register(try_close) - return self._input_file - - @property - def output_file(self): - if self._output_file is None: - self._output_file = open(self.path, 'wb') - atexit.register(self._output_file.close) - return self._output_file - - def read_event(self): - data = self.input_file.read(struct.calcsize(event_bin_format)) - seconds, microseconds, type, code, value = struct.unpack(event_bin_format, data) - return seconds + microseconds / 1e6, type, code, value, self.path - - def write_event(self, type, code, value): - integer, fraction = divmod(now(), 1) - seconds = int(integer) - microseconds = int(fraction * 1e6) - data_event = struct.pack(event_bin_format, seconds, microseconds, type, code, value) - - # Send a sync event to ensure other programs update. - sync_event = struct.pack(event_bin_format, seconds, microseconds, EV_SYN, 0, 0) - - self.output_file.write(data_event + sync_event) - self.output_file.flush() - -class AggregatedEventDevice(object): - def __init__(self, devices, output=None): - self.event_queue = Queue() - self.devices = devices - self.output = output or self.devices[0] - def start_reading(device): - while True: - self.event_queue.put(device.read_event()) - for device in self.devices: - thread = Thread(target=start_reading, args=[device]) - thread.setDaemon(True) - thread.start() - - def read_event(self): - return self.event_queue.get(block=True) - - def write_event(self, type, code, value): - self.output.write_event(type, code, value) - -import re -from collections import namedtuple -DeviceDescription = namedtuple('DeviceDescription', 'event_file is_mouse is_keyboard') -device_pattern = r"""N: Name="([^"]+?)".+?H: Handlers=([^\n]+)""" -def list_devices_from_proc(type_name): - try: - with open('/proc/bus/input/devices') as f: - description = f.read() - except FileNotFoundError: - return - - devices = {} - for name, handlers in re.findall(device_pattern, description, re.DOTALL): - path = '/dev/input/event' + re.search(r'event(\d+)', handlers).group(1) - if type_name in handlers: - yield EventDevice(path) - -def list_devices_from_by_id(name_suffix, by_id=True): - for path in glob('/dev/input/{}/*-event-{}'.format('by-id' if by_id else 'by-path', name_suffix)): - yield EventDevice(path) - -def aggregate_devices(type_name): - # Some systems have multiple keyboards with different range of allowed keys - # on each one, like a notebook with a "keyboard" device exclusive for the - # power button. Instead of figuring out which keyboard allows which key to - # send events, we create a fake device and send all events through there. - try: - uinput = make_uinput() - fake_device = EventDevice('uinput Fake Device') - fake_device._input_file = uinput - fake_device._output_file = uinput - except IOError as e: - import warnings - warnings.warn('Failed to create a device file using `uinput` module. Sending of events may be limited or unavailable depending on plugged-in devices.', stacklevel=2) - fake_device = None - - # We don't aggregate devices from different sources to avoid - # duplicates. - - devices_from_proc = list(list_devices_from_proc(type_name)) - if devices_from_proc: - return AggregatedEventDevice(devices_from_proc, output=fake_device) - - # breaks on mouse for virtualbox - # was getting /dev/input/by-id/usb-VirtualBox_USB_Tablet-event-mouse - devices_from_by_id = list(list_devices_from_by_id(type_name)) or list(list_devices_from_by_id(type_name, by_id=False)) - if devices_from_by_id: - return AggregatedEventDevice(devices_from_by_id, output=fake_device) - - # If no keyboards were found we can only use the fake device to send keys. - assert fake_device - return fake_device - - -def ensure_root(): - if os.geteuid() != 0: - raise ImportError('You must be root to use this library on linux.') |