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Avoid regex overhead in processing esphome bluetooth advertisements (#83246)

pull/83269/head
J. Nick Koston 2022-12-04 16:09:45 -10:00 committed by GitHub
parent 1efc71624a
commit 3044e78d43
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1 changed files with 3 additions and 5 deletions
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8
homeassistant/components/esphome/bluetooth/scanner.py
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@ -1,7 +1,6 @@
"""Bluetooth scanner for esphome.""" """Bluetooth scanner for esphome."""
from __future__ import annotations from __future__ import annotations
import re
from typing import Any from typing import Any
from aioesphomeapi import BluetoothLEAdvertisement from aioesphomeapi import BluetoothLEAdvertisement
@ -9,8 +8,6 @@ from aioesphomeapi import BluetoothLEAdvertisement
from homeassistant.components.bluetooth import BaseHaRemoteScanner from homeassistant.components.bluetooth import BaseHaRemoteScanner
from homeassistant.core import callback from homeassistant.core import callback
TWO_CHAR = re.compile("..")
class ESPHomeScanner(BaseHaRemoteScanner): class ESPHomeScanner(BaseHaRemoteScanner):
"""Scanner for esphome.""" """Scanner for esphome."""
@ -18,9 +15,10 @@ class ESPHomeScanner(BaseHaRemoteScanner):
@callback @callback
def async_on_advertisement(self, adv: BluetoothLEAdvertisement) -> None: def async_on_advertisement(self, adv: BluetoothLEAdvertisement) -> None:
"""Call the registered callback.""" """Call the registered callback."""
address = ":".join(TWO_CHAR.findall("%012X" % adv.address)) # must be upper # The mac address is a uint64, but we need a string
mac_hex = f"{adv.address:012X}"
self._async_on_advertisement( self._async_on_advertisement(
address, f"{mac_hex[0:2]}:{mac_hex[2:4]}:{mac_hex[4:6]}:{mac_hex[6:8]}:{mac_hex[8:10]}:{mac_hex[10:12]}",
adv.rssi, adv.rssi,
adv.name, adv.name,
adv.service_uuids, adv.service_uuids,