def _setup_udev(self) -> None:
'''Setup UDEV and register observers to look for devices and populate the device tree'''
udev_context = pyudev.Context()
# register parent monitor
self._monitor_usb = pyudev.Monitor.from_netlink(udev_context)
self._monitor_usb.filter_by('usb')
self._observer_usb = pyudev.MonitorObserver(self._monitor_usb,
self._event_handler_parent)
# register child monitor
self._monitor_hidraw = pyudev.Monitor.from_netlink(udev_context)
self._monitor_hidraw.filter_by('hidraw')
self._observer_hidraw = pyudev.MonitorObserver(
self._monitor_hidraw, self._event_handler_hidraw)
# trigger the parent event handler manually for initial population
for device in udev_context.list_devices(subsystem='usb'):
self._event_handler_parent('add', device)
self.__logger.info('Device tree populated:')
for line in self._tree.show(stdout=False).splitlines():
self.__logger.info('\t' + line)
# start observers
self._observer_usb.start()
self._observer_hidraw.start()
def WaitMaximUsbBootloader(msec_timeout):
import pyudev
global maxim_device
maxim_device = None
def device_event(action, device):
global maxim_device
device_dict = dict(device)
sys.stdout.write("Get tty device: %s" % device_dict["DEVNAME"])
if device_dict["ID_MODEL_ID"] != "0625" and device_dict[
"ID_VENDOR_ID"] != "0b6a":
print(", it's not maxim bootloader, wait")
return
print(" => maxim device")
maxim_device = device_dict["DEVNAME"]
context = pyudev.Context()
monitor = pyudev.Monitor.from_netlink(context)
monitor.filter_by(subsystem='tty')
observer = pyudev.MonitorObserver(monitor, device_event)
observer.start()
while msec_timeout > 0 and maxim_device is None:
time.sleep(0.001)
msec_timeout -= 1
observer.stop()
return maxim_device
def start(self):
context = pyudev.Context()
monitor = pyudev.Monitor.from_netlink(context)
monitor.filter_by('input')
self.observer = pyudev.MonitorObserver(monitor, self.register_event)
self.init_device_list()
self.observer.start()
def __init__(self, filename, verbose=False):
"""Init SystemManager things."""
super(SystemManager, self).__init__()
# check for filename
if not os.path.exists(filename):
# print(
# "filename does not exists.. "
# "so we creating a hopefully valid path"
# )
# remember config file name
config_name = os.path.basename(filename)
# create path on base of script dir.
# path_to_config = os.path.join(self.path_script, "config")
path_to_config = self.path_script
filename = os.path.join(path_to_config, config_name)
# read config file:
self.my_config = configdict.ConfigDict(self.default_config, filename)
# print("my_config.config: {}".format(self.my_config.config))
self.config = self.my_config.config
# print("config: {}".format(self.config))
self.verbose = verbose
if self.verbose:
print("config: {}".format(
json.dumps(self.config,
sort_keys=True,
indent=4,
separators=(',', ': '))))
# generate absolute path to config files
path_to_config = os.path.dirname(filename)
self.config["path_to_config"] = path_to_config
self.context = pyudev.Context()
self.monitor = pyudev.Monitor.from_netlink(self.context)
self.monitor.filter_by('block', device_type="partition")
self.observer = pyudev.MonitorObserver(self.monitor,
self._even_partition)
self.mode = None
self.stick_dict = {}
self.queue_devices = queue.Queue()
self.device_handler_thread = threading.Thread(
target=self.device_handler)
self.queue_sticks = queue.Queue()
self.stick_messages = {}
# init stick_messages with '?'
for device_path, port_number in self.config['port_map'].items():
self.stick_messages[port_number] = '?'
self.stick_messages_thread = threading.Thread(
target=self.stick_messages_handler)
if self.verbose:
print("--> finished.")
print("config: {}".format(self.config))
def detect_screens(qtile):
"""
Detect if a new screen is plugged and reconfigure/restart qtile
"""
def setup_monitors(action=None, device=None):
"""
Add 1 group per screen
"""
if action == "change":
# setup monitors with xrandr
# call("setup_screens")
lazy.restart()
nbr_screens = len(qtile.conn.pseudoscreens)
for i in xrange(0, nbr_screens - 1):
groups.append(Group('h%sx' % (i + 5), persist=False))
setup_monitors()
import pyudev
context = pyudev.Context()
monitor = pyudev.Monitor.from_netlink(context)
monitor.filter_by('drm')
monitor.enable_receiving()
# observe if the monitors change and reset monitors config
observer = pyudev.MonitorObserver(monitor, setup_monitors)
observer.start()
def __init__(self):
super().__init__()
# lazy/conditional loading of needed modules
import pyudev
import queue
DBG('Using pyudev {} and udev {}'.format(
pyudev.__version__, pyudev.udev_version()))
# create the udev context
self.udev = pyudev.Context()
# queue + timer to syncronize the udev thread
self.queue = queue.Queue() # items: (action, device)
self.qtimer = EmcTimer(3.0, self.queue_timer_cb)
# start monitoring udev for events
monitor = pyudev.Monitor.from_netlink(self.udev)
monitor.filter_by(self.managed_subsystems)
self.observer = pyudev.MonitorObserver(monitor, self.udev_device_filter)
self.observer.start()
# search for existing devices
for udevice in self.udev.list_devices(subsystem=self.managed_subsystems):
self.udev_device_filter('add', udevice, thread=False)
self.queue_timer_cb()
def __init__(self):
context = pyudev.Context()
monitor = pyudev.Monitor.from_netlink(context)
observer = pyudev.MonitorObserver(monitor, callback=self.notify, name='udev_notk')
observer.start()
def udev_monitor_setup():
# Create a context for pyudev and observe udev events for network
context = pyudev.Context()
monitor = pyudev.Monitor.from_netlink(context)
monitor.filter_by('net')
observer = pyudev.MonitorObserver(monitor, udev_event_handler)
return observer
def __init__(self, status, recursive=False):
super(USBMonitor, self).__init__(status)
self.recursive = recursive
self.context = pyudev.Context()
self.monitor = pyudev.Monitor.from_netlink(self.context)
self.observer = pyudev.MonitorObserver(self.monitor,
self.handle_event)
def _setupObserver(self):
self.context = pyudev.Context()
self.monitor = pyudev.Monitor.from_netlink(self.context)
self.monitor.filter_by('block')
self.observer = pyudev.MonitorObserver(self.monitor,
self._handle_drive)
self.observer.start()
def __init__(self):
super(Monitor, self).__init__()
# Put data from db into memory
self.db = JsonDBTool()
devices = self.db.get_all()
self.devices = {}
for device in devices:
id = device.get('device_id', '')
if id != '':
action = device.get('device_action')
name = device.get('device_name')
d = USBDevice(id, name, action=action)
d.action_changed.connect(self.device_registered)
d.active_toggled.connect(self.device_toggled)
self.devices[id] = d
self.udev_context = pyudev.Context()
self.udev_monitor = pyudev.Monitor.from_netlink(self.udev_context)
self.udev_monitor.filter_by(subsystem='usb')
self.udev_observer = pyudev.MonitorObserver(self.udev_monitor,
handle_udev_event)
self.app = USBManagerApp()
# For multiprocessing app and monitor
# self.queue = Queue()
# self.app.process = Process(target=self.app.run)
self.finished = False
def add():
global observer
context = pyudev.Context()
monitor = pyudev.Monitor.from_netlink(context)
monitor.filter_by('block')
observer = pyudev.MonitorObserver(monitor, filter_event)
observer.start()
def _StartUdevMonitor():
context = pyudev.Context()
monitor = pyudev.Monitor.from_netlink(context)
monitor.filter_by(subsystem='block', device_type='disk')
monitor.set_receive_buffer_size(128 * 1024 * 1024)
observer = pyudev.MonitorObserver(monitor, _UDevDiskEvent)
observer.start()
def start(self, context: pyudev.Context):
super().start(context)
if self._observer is None or self._observer.is_alive():
self._monitor = pyudev.Monitor.from_netlink(context=context)
self._monitor.filter_by("drm")
self._observer = pyudev.MonitorObserver(self._monitor, self.event)
self._observer.name = "UdevDRM"
self._observer.start()
self._log.info("UDEV Observer started!")
updated = False
try:
r_web = pyedid.Registry.from_web()
if len(r_web) > 0:
pyedid.DEFAULT_REGISTRY = r_web
# Save fresh registry to disk
if self._config is not None:
pyedid.DEFAULT_REGISTRY.to_csv(
str(
self._config.getIndependendPath(
"EDID_Registry.csv").absolute()))
updated = True
self._log.info("EDID Registry aktualisiert")
except:
self._log.exception("Error updateing EDID Registry")
if not updated:
if self._config is not None:
r_csv = pyedid.Registry.from_csv(
str(
self._config.getIndependendPath(
"EDID_Registry.csv").absolute()))
pyedid.DEFAULT_REGISTRY = r_csv
def create_observer(monitor, callback, name):
"""
This method is needed in order to support different versions of pyudev.
The 'callback' parameter has been introduced in 0.16.
TODO: Remove when using pyudev >= 0.16 on all platforms.
"""
argspec = inspect.getargspec(pyudev.MonitorObserver.__init__)
if "callback" in argspec.args:
# pylint: disable=no-value-for-parameter
return pyudev.MonitorObserver(monitor, callback=callback, name=name)
else:
def event_handler(action, device):
callback(device)
return pyudev.MonitorObserver(monitor, event_handler, name=name)
def __init__(self, **config):
super().__init__(markup=True, **config)
self.add_defaults(RFKillWidget.defaults)
if self.device_name not in ["WLAN", "BT"]:
raise Exception("Invalid device_name")
ctx = pyudev.Context()
rfkill_paths = [
"/sys/class/rfkill/" + os.readlink('/sys/class/rfkill/' + name)
for name in os.listdir('/sys/class/rfkill')
]
print(rfkill_paths)
devices = [
pyudev.Devices.from_path(ctx, os.path.abspath(path))
for path in rfkill_paths
if self.DEV_NAME_MAP[self.device_name] in path
]
if len(devices) != 1:
raise Exception("no or too many devices")
self._dev = devices[0]
monitor = pyudev.Monitor.from_netlink(ctx)
monitor.filter_by('rfkill')
observer = pyudev.MonitorObserver(monitor, self._udev_callback)
observer.start()
self.text = self._get_text()
def __init__(self, callback=None, logger=logging):
context = pyudev.Context()
monitor = pyudev.Monitor.from_netlink(context)
monitor.filter_by(subsystem='usb', device_type='usb_device')
self._log = logger
self.observer = pyudev.MonitorObserver(monitor=monitor, callback=callback)
def start(self):
assert self.callback is not None, ""
self.callback()
self.observer = pyudev.MonitorObserver(self.monitor,
callback=self.callback,
name='monitor-observer')
self.observer.start()
def __init__(self, extra_monitor: str, verbose: bool = False):
self.extra_monitor = extra_monitor
self.verbose = verbose
context = pyudev.Context()
monitor = pyudev.Monitor.from_netlink(context)
monitor.filter_by(subsystem='usb')
self.observer = pyudev.MonitorObserver(monitor=monitor,
event_handler=self._watch)
def monitor(self, paranoid, screensaver):
operating_system = platform.system().lower()
if operating_system in settings.get_supported_operating_systems():
monitor, context = self.initialise_pyudev()
if screensaver == 'xscreensaver':
screensaver_monitor = os.popen('xscreensaver-command -watch')
observer = pyudev.MonitorObserver(
monitor,
callback=self.set_device_event,
name='monitor-observer')
if paranoid:
observer.start()
settings.print_message('Observer started')
elif not paranoid:
while True:
line = screensaver_monitor.readline()
if line.startswith('LOCK'):
observer.start()
settings.print_message('Observer started')
if line.startswith('UNLOCK'):
settings.print_message('Observer stopped')
observer.join()
else:
sys.exit(127)
elif screensaver == 'gnome-screensaver':
if paranoid:
observer = pyudev.MonitorObserver(
monitor,
callback=self.set_device_event,
name='monitor-observer')
observer.start()
settings.print_message('Observer started')
time.sleep(2)
elif not paranoid:
observer = pyudev.MonitorObserver(monitor,
callback=send_message,
name='monitor-observer')
observer.start()
settings.print_message('Observer started')
else:
sys.exit(127)
else:
sys.exit(126)
def __init__(self, usbCheck):
""" Runs the actual loop to detect the events """
# print("init usbdetector")
self.context = pyudev.Context()
self.monitor = pyudev.Monitor.from_netlink(self.context)
self.monitor.filter_by(subsystem='usb')
self.observer = pyudev.MonitorObserver(self.monitor, usbCheck)
self.observer.start()
def start_monitor(self):
context = pyudev.Context()
monitor = pyudev.Monitor.from_netlink(context)
monitor.filter_by(subsystem='block')
observer = pyudev.MonitorObserver(monitor,
callback=self.handler,
name='monitor-observer')
observer.start()
def __x():
import pyudev
context = pyudev.Context()
monitor = pyudev.Monitor.from_netlink(context)
monitor.filter_by('drm')
monitor.enable_receiving()
observer = pyudev.MonitorObserver(monitor, setup_monitors)
observer.start()
def __init__(self, ev_ctl):
context = pyudev.Context()
monitor = pyudev.Monitor.from_netlink(context)
monitor.filter_by("usb")
monitor2 = pyudev.Monitor.from_netlink(context)
monitor2.filter_by("input")
self.config = ev_ctl.config
self.ev_ctl = ev_ctl
self.restarting = False
self.observer = pyudev.MonitorObserver(monitor,
self._usb_event_handler)
self.observer2 = pyudev.MonitorObserver(monitor,
self._input_event_handler)
self.observer.start()
self.observer2.start()
def __init__(self,master):
self.master=master
self.context = pyudev.Context()
self.monitor = pyudev.Monitor.from_netlink(self.context)
self.monitor.filter_by('block')
self.observer = pyudev.MonitorObserver(self.monitor,self.log_event)
self.observer.start()
pass
def main():
# Main observer daemon
context = pyudev.Context()
umonitor = pyudev.Monitor.from_netlink(context)
umonitor.filter_by(subsystem='block', device_type='disk')
uobserver = pyudev.MonitorObserver(umonitor, callback=check_for_CDDA)
uobserver.daemon = False # set False will block the process when started.
uobserver.start()
def start(self):
context = udev.Context()
monitor = udev.Monitor.from_netlink(context)
monitor.filter_by('input')
self.observer = udev.MonitorObserver(monitor,
callback=self._monitor_callback)
self.observer.start()
logging.debug("device_monitor started")
def _setup_pyudev_monitoring(self):
"""
Setup the udev monitor.
"""
context = pyudev.Context()
monitor = pyudev.Monitor.from_netlink(context)
self.udev_observer = pyudev.MonitorObserver(monitor, self._udev_event)
self.udev_observer.start()
self.py3_wrapper.log("udev monitoring enabled")
def __init__(self):
""" Initiate the object """
self.context = pyudev.Context()
monitor = pyudev.Monitor.from_netlink(self.context)
# device_type should filter out interfaces
monitor.filter_by(subsystem='usb', device_type='usb_device')
# Not using the Qt binding as there is no reason to tie this to the GUI.
self.observer = pyudev.MonitorObserver(monitor, self._handler)
self.listeners = set()
def __init__(self, context: pyudev.Context = pyudev.Context()):
self._context = context
self._map = {}
self._map_lock = threading.RLock()
self._monitor = pyudev.Monitor.from_netlink(context)
self._monitor.filter_by('input')
self._observer = observer = pyudev.MonitorObserver(self._monitor, self._on_device_change, name='DeviceChangeMonitorChange')
self._observer.start()
self.update_devices()
