diff --git a/platypush/backend/bluetooth/scanner/__init__.py b/platypush/backend/bluetooth/scanner/__init__.py deleted file mode 100644 index a0f220ee7..000000000 --- a/platypush/backend/bluetooth/scanner/__init__.py +++ /dev/null @@ -1,109 +0,0 @@ -import time -from threading import Thread, RLock -from typing import Dict, Optional, List - -from platypush.backend.sensor import SensorBackend -from platypush.context import get_plugin -from platypush.message.event.bluetooth import BluetoothDeviceFoundEvent, BluetoothDeviceLostEvent - - -class BluetoothScannerBackend(SensorBackend): - """ - This backend periodically scans for available bluetooth devices and returns events when a devices enter or exits - the range. - - Triggers: - - * :class:`platypush.message.event.bluetooth.BluetoothDeviceFoundEvent` when a new bluetooth device is found. - * :class:`platypush.message.event.bluetooth.BluetoothDeviceLostEvent` when a bluetooth device is lost. - - Requires: - - * The :class:`platypush.plugins.bluetooth.BluetoothPlugin` plugin working. - - """ - - def __init__(self, device_id: Optional[int] = None, scan_duration: int = 10, - track_devices: Optional[List[str]] = None, **kwargs): - """ - :param device_id: Bluetooth adapter ID to use (default configured on the ``bluetooth`` plugin if None). - :param scan_duration: How long the scan should run (default: 10 seconds). - :param track_devices: List of addresses of devices to actively track, even if they aren't discoverable. - """ - super().__init__(plugin='bluetooth', plugin_args={ - 'device_id': device_id, - 'duration': scan_duration, - }, **kwargs) - - self._last_seen_devices = {} - self._tracking_thread: Optional[Thread] = None - self._bt_lock = RLock() - self.track_devices = set(track_devices or []) - self.scan_duration = scan_duration - - def _add_last_seen_device(self, dev): - addr = dev.pop('addr') - if addr not in self._last_seen_devices: - self.bus.post(BluetoothDeviceFoundEvent(address=addr, **dev)) - self._last_seen_devices[addr] = {'addr': addr, **dev} - - def _remove_last_seen_device(self, addr: str): - dev = self._last_seen_devices.get(addr) - if not dev: - return - - self.bus.post(BluetoothDeviceLostEvent(address=addr, **dev)) - del self._last_seen_devices[addr] - - def _addr_tracker(self, addr): - with self._bt_lock: - name = get_plugin('bluetooth').lookup_name(addr, timeout=self.scan_duration).name - - if name is None: - self._remove_last_seen_device(addr) - else: - self._add_last_seen_device({'addr': addr, 'name': name}) - - def _bt_tracker(self): - self.logger.info('Starting Bluetooth tracker') - while not self.should_stop(): - trackers = [] - for addr in self.track_devices: - tracker = Thread(target=self._addr_tracker, args=(addr,)) - tracker.start() - trackers.append(tracker) - - for tracker in trackers: - tracker.join(timeout=self.scan_duration) - - time.sleep(self.scan_duration) - - self.logger.info('Bluetooth tracker stopped') - - def get_measurement(self): - with self._bt_lock: - return super().get_measurement() - - def process_data( # lgtm [py/inheritance/signature-mismatch] - self, data: Dict[str, dict], new_data: Optional[Dict[str, dict]] = None, **_ - ): - for addr, dev in data.items(): - self._add_last_seen_device(dev) - - for addr, dev in self._last_seen_devices.copy().items(): - if addr not in data and addr not in self.track_devices: - self._remove_last_seen_device(addr) - - def run(self): - self._tracking_thread = Thread(target=self._bt_tracker) - self._tracking_thread.start() - super().run() - - def on_stop(self): - super().on_stop() - if self._tracking_thread and self._tracking_thread.is_alive(): - self.logger.info('Waiting for the Bluetooth tracking thread to stop') - self._tracking_thread.join(timeout=self.scan_duration) - - -# vim:sw=4:ts=4:et: diff --git a/platypush/backend/bluetooth/scanner/manifest.yaml b/platypush/backend/bluetooth/scanner/manifest.yaml deleted file mode 100644 index 1a3c6c852..000000000 --- a/platypush/backend/bluetooth/scanner/manifest.yaml +++ /dev/null @@ -1,10 +0,0 @@ -manifest: - events: - platypush.message.event.bluetooth.BluetoothDeviceFoundEvent: when a new bluetooth - device is found. - platypush.message.event.bluetooth.BluetoothDeviceLostEvent: when a bluetooth device - is lost. - install: - pip: [] - package: platypush.backend.bluetooth.scanner - type: backend