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Extended number of supported events and data fields in Bluetooth integration.

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This commit is contained in:
Fabio Manganiello 2023-02-18 01:15:10 +01:00
parent 7adae272a4
commit 613e32e7c1
Signed by untrusted user: blacklight
GPG key ID: D90FBA7F76362774
7 changed files with 301 additions and 177 deletions
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1
docs/source/conf.py
View file

@ -297,6 +297,7 @@ autodoc_mock_imports = [
'aiofiles.os',
'async_lru',
'bleak',
'bluetooth_numbers',
]
sys.path.insert(0, os.path.abspath('../..'))

47
platypush/entities/bluetooth.py
View file

@ -1,4 +1,10 @@
from sqlalchemy import Column, Integer, Boolean, ForeignKey
from sqlalchemy import (
Boolean,
Column,
ForeignKey,
Integer,
JSON,
)
from platypush.common.db import Base
@ -17,7 +23,46 @@ if 'bluetooth_device' not in Base.metadata:
id = Column(
Integer, ForeignKey(Device.id, ondelete='CASCADE'), primary_key=True
)
connected = Column(Boolean, default=False)
""" Whether the device is connected. """
paired = Column(Boolean, default=False)
""" Whether the device is paired. """
trusted = Column(Boolean, default=False)
""" Whether the device is trusted. """
blocked = Column(Boolean, default=False)
""" Whether the device is blocked. """
rssi = Column(Integer, default=None)
""" Received Signal Strength Indicator. """
tx_power = Column(Integer, default=None)
""" Reported transmission power. """
manufacturers = Column(JSON)
""" Registered manufacturers for the device, as an ID -> Name map. """
uuids = Column(JSON)
"""
Service/characteristic UUIDs exposed by the device, as a
UUID -> Name map.
"""
manufacturer_data = Column(JSON)
"""
Latest manufacturer data published by the device, as a
``manufacturer_id -> data`` map, where ``data`` is a hexadecimal
string.
"""
service_data = Column(JSON)
"""
Latest service data published by the device, as a ``service_uuid ->
data`` map, where ``data`` is a hexadecimal string.
"""
__mapper_args__ = {
'polymorphic_identity': __tablename__,

144
platypush/message/event/bluetooth/__init__.py
View file

@ -1,4 +1,4 @@
from typing import Optional
from typing import Dict, Optional
from platypush.message.event import Event
@ -8,44 +8,162 @@ class BluetoothEvent(Event):
Base class for Bluetooth events.
"""
def __init__(self, address: str, *args, name: Optional[str] = None, **kwargs):
super().__init__(*args, address=address, name=name, **kwargs)
class BluetoothWithPortEvent(BluetoothEvent):
class BluetoothScanPausedEvent(BluetoothEvent):
"""
Base class for Bluetooth events that include a communication port.
Event triggered when the Bluetooth scan is paused.
"""
def __init__(self, *args, duration: Optional[float] = None, **kwargs):
super().__init__(*args, duration=duration, **kwargs)
class BluetoothScanResumedEvent(BluetoothEvent):
"""
Event triggered when the Bluetooth scan is resumed.
"""
def __init__(self, *args, duration: Optional[float] = None, **kwargs):
super().__init__(*args, duration=duration, **kwargs)
class BluetoothWithPortEvent(Event):
"""
Base class for Bluetooth events with an associated port.
"""
def __init__(self, *args, port: Optional[str] = None, **kwargs):
"""
:param port: The communication port of the device.
"""
super().__init__(*args, port=port, **kwargs)
class BluetoothDeviceFoundEvent(BluetoothEvent):
class BluetoothDeviceEvent(BluetoothWithPortEvent):
"""
Event triggered when a Bluetooth device is found during a scan.
Base class for Bluetooth device events.
"""
def __init__(
self,
*args,
address: str,
connected: bool,
paired: bool,
trusted: bool,
blocked: bool,
name: Optional[str] = None,
uuids: Optional[Dict[str, str]] = None,
rssi: Optional[int] = None,
tx_power: Optional[int] = None,
manufacturers: Optional[Dict[int, str]] = None,
manufacturer_data: Optional[Dict[int, str]] = None,
service_data: Optional[Dict[str, str]] = None,
**kwargs
):
"""
:param address: The Bluetooth address of the device.
:param connected: Whether the device is connected.
:param paired: Whether the device is paired.
:param trusted: Whether the device is trusted.
:param blocked: Whether the device is blocked.
:param name: The name of the device.
:param uuids: The UUIDs of the services exposed by the device.
:param rssi: Received Signal Strength Indicator.
:param tx_power: Transmission power.
:param manufacturers: The manufacturers published by the device, as a
``manufacturer_id -> registered_name`` map.
:param manufacturer_data: The manufacturer data published by the
device, as a ``manufacturer_id -> data`` map, where ``data`` is a
hexadecimal string.
:param service_data: The service data published by the device, as a
``service_uuid -> data`` map, where ``data`` is a hexadecimal string.
"""
super().__init__(
*args,
address=address,
name=name,
connected=connected,
paired=paired,
blocked=blocked,
trusted=trusted,
uuids=uuids or {},
rssi=rssi,
tx_power=tx_power,
manufacturers=manufacturers or {},
manufacturer_data=manufacturer_data or {},
service_data=service_data or {},
**kwargs
)
class BluetoothDeviceFoundEvent(BluetoothDeviceEvent):
"""
Event triggered when a Bluetooth device is discovered during a scan.
"""
class BluetoothDeviceLostEvent(BluetoothEvent):
class BluetoothDeviceLostEvent(BluetoothDeviceEvent):
"""
Event triggered when a Bluetooth device previously scanned is lost.
Event triggered when a previously discovered Bluetooth device is lost.
"""
class BluetoothDeviceConnectedEvent(BluetoothWithPortEvent):
class BluetoothDeviceConnectedEvent(BluetoothDeviceEvent):
"""
Event triggered when a Bluetooth device is connected.
"""
class BluetoothDeviceDisconnectedEvent(BluetoothWithPortEvent):
class BluetoothDeviceDisconnectedEvent(BluetoothDeviceEvent):
"""
Event triggered when a Bluetooth device is disconnected.
"""
class BluetoothConnectionRejectedEvent(BluetoothWithPortEvent):
class BluetoothDevicePairedEvent(BluetoothDeviceEvent):
"""
Event triggered when a Bluetooth device is paired.
"""
class BluetoothDeviceUnpairedEvent(BluetoothDeviceEvent):
"""
Event triggered when a Bluetooth device is unpaired.
"""
class BluetoothDeviceBlockedEvent(BluetoothDeviceEvent):
"""
Event triggered when a Bluetooth device is blocked.
"""
class BluetoothDeviceUnblockedEvent(BluetoothDeviceEvent):
"""
Event triggered when a Bluetooth device is unblocked.
"""
class BluetoothDeviceTrustedEvent(BluetoothDeviceEvent):
"""
Event triggered when a Bluetooth device is trusted.
"""
class BluetoothDeviceSignalUpdateEvent(BluetoothDeviceEvent):
"""
Event triggered when the RSSI/TX power of a Bluetooth device is updated.
"""
class BluetoothDeviceUntrustedEvent(BluetoothDeviceEvent):
"""
Event triggered when a Bluetooth device is untrusted.
"""
class BluetoothConnectionRejectedEvent(BluetoothDeviceEvent):
"""
Event triggered when a Bluetooth connection is rejected.
"""

130
platypush/message/event/bluetooth/ble.py
View file

@ -1,130 +0,0 @@
from typing import Collection, Optional
from platypush.message.event import Event
class BluetoothEvent(Event):
"""
Base class for Bluetooth events.
"""
class BluetoothScanPausedEvent(BluetoothEvent):
"""
Event triggered when the Bluetooth scan is paused.
"""
def __init__(self, *args, duration: Optional[float] = None, **kwargs):
super().__init__(*args, duration=duration, **kwargs)
class BluetoothScanResumedEvent(BluetoothEvent):
"""
Event triggered when the Bluetooth scan is resumed.
"""
def __init__(self, *args, duration: Optional[float] = None, **kwargs):
super().__init__(*args, duration=duration, **kwargs)
class BluetoothDeviceEvent(BluetoothEvent):
"""
Base class for Bluetooth device events.
"""
def __init__(
self,
*args,
address: str,
connected: bool,
paired: bool,
trusted: bool,
blocked: bool,
name: Optional[str] = None,
characteristics: Optional[Collection[str]] = None,
**kwargs
):
"""
:param address: The Bluetooth address of the device.
:param connected: Whether the device is connected.
:param paired: Whether the device is paired.
:param trusted: Whether the device is trusted.
:param blocked: Whether the device is blocked.
:param name: The name of the device.
:param characteristics: The UUIDs of the characteristics exposed by the
device.
"""
super().__init__(
*args,
address=address,
name=name,
connected=connected,
paired=paired,
blocked=blocked,
trusted=trusted,
characteristics=characteristics or [],
**kwargs
)
class BluetoothDeviceFoundEvent(BluetoothDeviceEvent):
"""
Event triggered when a Bluetooth device is discovered during a scan.
"""
class BluetoothDeviceLostEvent(BluetoothDeviceEvent):
"""
Event triggered when a previously discovered Bluetooth device is lost.
"""
class BluetoothDeviceConnectedEvent(BluetoothDeviceEvent):
"""
Event triggered when a Bluetooth device is connected.
"""
class BluetoothDeviceDisconnectedEvent(BluetoothDeviceEvent):
"""
Event triggered when a Bluetooth device is disconnected.
"""
class BluetoothDevicePairedEvent(BluetoothDeviceEvent):
"""
Event triggered when a Bluetooth device is paired.
"""
class BluetoothDeviceUnpairedEvent(BluetoothDeviceEvent):
"""
Event triggered when a Bluetooth device is unpaired.
"""
class BluetoothDeviceBlockedEvent(BluetoothDeviceEvent):
"""
Event triggered when a Bluetooth device is blocked.
"""
class BluetoothDeviceUnblockedEvent(BluetoothDeviceEvent):
"""
Event triggered when a Bluetooth device is unblocked.
"""
class BluetoothDeviceTrustedEvent(BluetoothDeviceEvent):
"""
Event triggered when a Bluetooth device is trusted.
"""
class BluetoothDeviceUntrustedEvent(BluetoothDeviceEvent):
"""
Event triggered when a Bluetooth device is untrusted.
"""
# vim:sw=4:ts=4:et:

137
platypush/plugins/bluetooth/ble/__init__.py
View file

@ -2,23 +2,38 @@ import base64
from asyncio import Event, ensure_future
from contextlib import asynccontextmanager
from threading import RLock, Timer
from typing import AsyncGenerator, Collection, List, Optional, Dict, Type, Union
from time import time
from typing import (
Any,
AsyncGenerator,
Collection,
Final,
List,
Optional,
Dict,
Type,
Union,
)
from uuid import UUID
from bleak import BleakClient, BleakScanner
from bleak.backends.device import BLEDevice
from bleak.backends.scanner import AdvertisementData
from bleak.uuids import uuidstr_to_str
from bluetooth_numbers import company
from typing_extensions import override
from platypush.context import get_bus, get_or_create_event_loop
from platypush.entities import Entity, EntityManager
from platypush.entities.bluetooth import BluetoothDevice
from platypush.message.event.bluetooth.ble import (
from platypush.message.event.bluetooth import (
BluetoothDeviceBlockedEvent,
BluetoothDeviceConnectedEvent,
BluetoothDeviceDisconnectedEvent,
BluetoothDeviceFoundEvent,
BluetoothDeviceLostEvent,
BluetoothDevicePairedEvent,
BluetoothDeviceSignalUpdateEvent,
BluetoothDeviceTrustedEvent,
BluetoothDeviceUnblockedEvent,
BluetoothDeviceUnpairedEvent,
@ -42,20 +57,40 @@ class BluetoothBlePlugin(AsyncRunnablePlugin, EntityManager):
Requires:
* **bleak** (``pip install bleak``)
* **bluetooth-numbers** (``pip install bluetooth-numbers``)
TODO: Write supported events.
Triggers:
* :class:`platypush.message.event.bluetooth.BluetoothDeviceBlockedEvent`
* :class:`platypush.message.event.bluetooth.BluetoothDeviceConnectedEvent`
* :class:`platypush.message.event.bluetooth.BluetoothDeviceDisconnectedEvent`
* :class:`platypush.message.event.bluetooth.BluetoothDeviceFoundEvent`
* :class:`platypush.message.event.bluetooth.BluetoothDeviceLostEvent`
* :class:`platypush.message.event.bluetooth.BluetoothDevicePairedEvent`
* :class:`platypush.message.event.bluetooth.BluetoothDeviceTrustedEvent`
* :class:`platypush.message.event.bluetooth.BluetoothDeviceUnblockedEvent`
* :class:`platypush.message.event.bluetooth.BluetoothDeviceUnpairedEvent`
* :class:`platypush.message.event.bluetooth.BluetoothDeviceUntrustedEvent`
* :class:`platypush.message.event.bluetooth.BluetoothScanPausedEvent`
* :class:`platypush.message.event.bluetooth.BluetoothScanResumedEvent`
"""
# Default connection timeout (in seconds)
_default_connect_timeout = 5
_default_connect_timeout: Final[int] = 5
""" Default connection timeout (in seconds) """
_rssi_update_interval: Final[int] = 30
"""
How long we should wait before triggering an update event upon a new
RSSI update, in seconds.
"""
def __init__(
self,
interface: Optional[str] = None,
connect_timeout: float = _default_connect_timeout,
device_names: Optional[Dict[str, str]] = None,
characteristics: Optional[Collection[UUIDType]] = None,
uuids: Optional[Collection[UUIDType]] = None,
scan_paused_on_start: bool = False,
**kwargs,
):
@ -64,8 +99,8 @@ class BluetoothBlePlugin(AsyncRunnablePlugin, EntityManager):
on Linux). Default: first available interface.
:param connect_timeout: Timeout in seconds for the connection to a
Bluetooth device. Default: 5 seconds.
:param characteristics: List of service/characteristic UUIDs to
discover. Default: all.
:param uuids: List of service/characteristic UUIDs to discover.
Default: all.
:param device_names: Bluetooth address -> device name mapping. If not
specified, the device's advertised name will be used, or its
Bluetooth address. Example:
@ -85,14 +120,15 @@ class BluetoothBlePlugin(AsyncRunnablePlugin, EntityManager):
"""
super().__init__(**kwargs)
self._interface = interface
self._connect_timeout = connect_timeout
self._characteristics = characteristics
self._interface: Optional[str] = interface
self._connect_timeout: float = connect_timeout
self._uuids: Collection[Union[str, UUID]] = uuids or []
self._scan_lock = RLock()
self._scan_enabled = Event()
self._scan_controller_timer: Optional[Timer] = None
self._connections: Dict[str, BleakClient] = {}
self._devices: Dict[str, BLEDevice] = {}
self._device_last_updated_at: Dict[str, float] = {}
self._device_name_by_addr = device_names or {}
self._device_addr_by_name = {
name: addr for addr, name in self._device_name_by_addr.items()
@ -129,21 +165,54 @@ class BluetoothBlePlugin(AsyncRunnablePlugin, EntityManager):
def _post_event(
self, event_type: Type[BluetoothDeviceEvent], device: BLEDevice, **kwargs
):
props = device.details.get('props', {})
get_bus().post(
event_type(
address=device.address,
name=self._get_device_name(device),
connected=props.get('Connected', False),
paired=props.get('Paired', False),
blocked=props.get('Blocked', False),
trusted=props.get('Trusted', False),
characteristics=device.metadata.get('uuids', []),
**kwargs,
address=device.address, **self._parse_device_args(device), **kwargs
)
)
def _on_device_event(self, device: BLEDevice, _):
def _parse_device_args(self, device: BLEDevice) -> Dict[str, Any]:
props = device.details.get('props', {})
return {
'name': self._get_device_name(device),
'connected': props.get('Connected', False),
'paired': props.get('Paired', False),
'blocked': props.get('Blocked', False),
'trusted': props.get('Trusted', False),
'rssi': device.rssi,
'tx_power': props.get('TxPower'),
'uuids': {
uuid: uuidstr_to_str(uuid) for uuid in device.metadata.get('uuids', [])
},
'manufacturers': {
manufacturer_id: company.get(manufacturer_id, 'Unknown')
for manufacturer_id in sorted(
device.metadata.get('manufacturer_data', {}).keys()
)
},
'manufacturer_data': self._parse_manufacturer_data(device),
'service_data': self._parse_service_data(device),
}
@staticmethod
def _parse_manufacturer_data(device: BLEDevice) -> Dict[int, str]:
return {
manufacturer_id: ':'.join([f'{x:02x}' for x in value])
for manufacturer_id, value in device.metadata.get(
'manufacturer_data', {}
).items()
}
@staticmethod
def _parse_service_data(device: BLEDevice) -> Dict[str, str]:
return {
service_uuid: ':'.join([f'{x:02x}' for x in value])
for service_uuid, value in device.details.get('props', {})
.get('ServiceData', {})
.items()
}
def _on_device_event(self, device: BLEDevice, _: AdvertisementData):
event_types: List[Type[BluetoothDeviceEvent]] = []
existing_device = self._devices.get(device.address)
@ -178,6 +247,15 @@ class BluetoothBlePlugin(AsyncRunnablePlugin, EntityManager):
if new_props.get('Trusted')
else BluetoothDeviceUntrustedEvent
)
if (
time() - self._device_last_updated_at.get(device.address, 0)
) >= self._rssi_update_interval and (
existing_device.rssi != device.rssi
or old_props.get('TxPower') != new_props.get('TxPower')
):
event_types.append(BluetoothDeviceSignalUpdateEvent)
else:
event_types.append(BluetoothDeviceFoundEvent)
@ -190,6 +268,7 @@ class BluetoothBlePlugin(AsyncRunnablePlugin, EntityManager):
for event_type in event_types:
self._post_event(event_type, device)
self.publish_entities([device])
self._device_last_updated_at[device.address] = time()
@asynccontextmanager
async def _connect(
@ -234,7 +313,7 @@ class BluetoothBlePlugin(AsyncRunnablePlugin, EntityManager):
async def _scan(
self,
duration: Optional[float] = None,
characteristics: Optional[Collection[UUIDType]] = None,
uuids: Optional[Collection[UUIDType]] = None,
publish_entities: bool = False,
) -> Collection[Entity]:
with self._scan_lock:
@ -242,14 +321,10 @@ class BluetoothBlePlugin(AsyncRunnablePlugin, EntityManager):
devices = await BleakScanner.discover(
adapter=self._interface,
timeout=timeout,
service_uuids=list(
map(str, characteristics or self._characteristics or [])
),
service_uuids=list(map(str, uuids or self._uuids or [])),
detection_callback=self._on_device_event,
)
# TODO Infer type from device.metadata['manufacturer_data']
self._devices.update({dev.address: dev for dev in devices})
return (
self.publish_entities(devices)
@ -307,7 +382,7 @@ class BluetoothBlePlugin(AsyncRunnablePlugin, EntityManager):
def scan(
self,
duration: Optional[float] = None,
characteristics: Optional[Collection[UUIDType]] = None,
uuids: Optional[Collection[UUIDType]] = None,
):
"""
Scan for Bluetooth devices nearby and return the results as a list of
@ -315,11 +390,11 @@ class BluetoothBlePlugin(AsyncRunnablePlugin, EntityManager):
:param duration: Scan duration in seconds (default: same as the plugin's
`poll_interval` configuration parameter)
:param characteristics: List of characteristic UUIDs to discover. Default: all.
:param uuids: List of characteristic UUIDs to discover. Default: all.
"""
loop = get_or_create_event_loop()
return loop.run_until_complete(
self._scan(duration, characteristics, publish_entities=True)
self._scan(duration, uuids, publish_entities=True)
)
@action
@ -388,7 +463,7 @@ class BluetoothBlePlugin(AsyncRunnablePlugin, EntityManager):
return [
BluetoothDevice(
id=dev.address,
name=self._get_device_name(dev),
**self._parse_device_args(dev),
)
for dev in entities
]

15
platypush/plugins/bluetooth/ble/manifest.yaml
View file

@ -1,7 +1,20 @@
manifest:
events: {}
events:
platypush.message.event.bluetooth.BluetoothDeviceBlockedEvent:
platypush.message.event.bluetooth.BluetoothDeviceConnectedEvent:
platypush.message.event.bluetooth.BluetoothDeviceDisconnectedEvent:
platypush.message.event.bluetooth.BluetoothDeviceFoundEvent:
platypush.message.event.bluetooth.BluetoothDeviceLostEvent:
platypush.message.event.bluetooth.BluetoothDevicePairedEvent:
platypush.message.event.bluetooth.BluetoothDeviceTrustedEvent:
platypush.message.event.bluetooth.BluetoothDeviceUnblockedEvent:
platypush.message.event.bluetooth.BluetoothDeviceUnpairedEvent:
platypush.message.event.bluetooth.BluetoothDeviceUntrustedEvent:
platypush.message.event.bluetooth.BluetoothScanPausedEvent:
platypush.message.event.bluetooth.BluetoothScanResumedEvent:
install:
pip:
- bleak
- bluetooth-numbers
package: platypush.plugins.bluetooth.ble
type: plugin

4
setup.py
View file

@ -173,9 +173,11 @@ setup(
],
# Support for Alexa/Echo plugin
'alexa': ['avs @ https://github.com/BlackLight/avs/tarball/master'],
# Support for bluetooth devices
# Support for Bluetooth devices
'bluetooth': [
'bleak',
'bluetooth-numbers',
'pybluez',
'pyobex @ https://github.com/BlackLight/PyOBEX/tarball/master',
],
# Support for TP-Link devices