mirror of
https://github.com/home-assistant/core
synced 2024-08-02 23:40:32 +02:00
358 lines
9.0 KiB
Python
358 lines
9.0 KiB
Python
"""Script to run benchmarks."""
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from __future__ import annotations
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import argparse
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import asyncio
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import collections
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from collections.abc import Callable
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from contextlib import suppress
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import json
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import logging
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from timeit import default_timer as timer
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from typing import TypeVar
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from homeassistant import core
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from homeassistant.components.websocket_api.const import JSON_DUMP
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from homeassistant.const import EVENT_STATE_CHANGED
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from homeassistant.helpers.entityfilter import convert_include_exclude_filter
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from homeassistant.helpers.event import (
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async_track_state_change,
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async_track_state_change_event,
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)
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from homeassistant.helpers.json import JSONEncoder
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# mypy: allow-untyped-calls, allow-untyped-defs, no-check-untyped-defs
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# mypy: no-warn-return-any
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_CallableT = TypeVar("_CallableT", bound=Callable)
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BENCHMARKS: dict[str, Callable] = {}
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def run(args):
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"""Handle benchmark commandline script."""
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# Disable logging
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logging.getLogger("homeassistant.core").setLevel(logging.CRITICAL)
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parser = argparse.ArgumentParser(description=("Run a Home Assistant benchmark."))
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parser.add_argument("name", choices=BENCHMARKS)
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parser.add_argument("--script", choices=["benchmark"])
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args = parser.parse_args()
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bench = BENCHMARKS[args.name]
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print("Using event loop:", asyncio.get_event_loop_policy().loop_name)
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with suppress(KeyboardInterrupt):
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while True:
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asyncio.run(run_benchmark(bench))
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async def run_benchmark(bench):
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"""Run a benchmark."""
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hass = core.HomeAssistant()
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runtime = await bench(hass)
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print(f"Benchmark {bench.__name__} done in {runtime}s")
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await hass.async_stop()
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def benchmark(func: _CallableT) -> _CallableT:
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"""Decorate to mark a benchmark."""
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BENCHMARKS[func.__name__] = func
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return func
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@benchmark
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async def fire_events(hass):
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"""Fire a million events."""
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count = 0
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event_name = "benchmark_event"
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events_to_fire = 10**6
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@core.callback
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def listener(_):
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"""Handle event."""
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nonlocal count
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count += 1
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hass.bus.async_listen(event_name, listener)
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for _ in range(events_to_fire):
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hass.bus.async_fire(event_name)
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start = timer()
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await hass.async_block_till_done()
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assert count == events_to_fire
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return timer() - start
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@benchmark
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async def fire_events_with_filter(hass):
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"""Fire a million events with a filter that rejects them."""
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count = 0
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event_name = "benchmark_event"
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events_to_fire = 10**6
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@core.callback
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def event_filter(event):
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"""Filter event."""
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return False
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@core.callback
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def listener(_):
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"""Handle event."""
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nonlocal count
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count += 1
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hass.bus.async_listen(event_name, listener, event_filter=event_filter)
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for _ in range(events_to_fire):
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hass.bus.async_fire(event_name)
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start = timer()
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await hass.async_block_till_done()
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assert count == 0
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return timer() - start
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@benchmark
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async def state_changed_helper(hass):
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"""Run a million events through state changed helper with 1000 entities."""
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count = 0
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entity_id = "light.kitchen"
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event = asyncio.Event()
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@core.callback
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def listener(*args):
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"""Handle event."""
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nonlocal count
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count += 1
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if count == 10**6:
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event.set()
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for idx in range(1000):
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async_track_state_change(hass, f"{entity_id}{idx}", listener, "off", "on")
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event_data = {
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"entity_id": f"{entity_id}0",
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"old_state": core.State(entity_id, "off"),
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"new_state": core.State(entity_id, "on"),
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}
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for _ in range(10**6):
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hass.bus.async_fire(EVENT_STATE_CHANGED, event_data)
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start = timer()
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await event.wait()
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return timer() - start
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@benchmark
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async def state_changed_event_helper(hass):
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"""Run a million events through state changed event helper with 1000 entities."""
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count = 0
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entity_id = "light.kitchen"
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events_to_fire = 10**6
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@core.callback
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def listener(*args):
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"""Handle event."""
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nonlocal count
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count += 1
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async_track_state_change_event(
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hass, [f"{entity_id}{idx}" for idx in range(1000)], listener
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)
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event_data = {
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"entity_id": f"{entity_id}0",
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"old_state": core.State(entity_id, "off"),
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"new_state": core.State(entity_id, "on"),
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}
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for _ in range(events_to_fire):
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hass.bus.async_fire(EVENT_STATE_CHANGED, event_data)
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start = timer()
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await hass.async_block_till_done()
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assert count == events_to_fire
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return timer() - start
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@benchmark
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async def state_changed_event_filter_helper(hass):
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"""Run a million events through state changed event helper with 1000 entities that all get filtered."""
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count = 0
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entity_id = "light.kitchen"
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events_to_fire = 10**6
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@core.callback
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def listener(*args):
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"""Handle event."""
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nonlocal count
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count += 1
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async_track_state_change_event(
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hass, [f"{entity_id}{idx}" for idx in range(1000)], listener
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)
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event_data = {
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"entity_id": "switch.no_listeners",
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"old_state": core.State(entity_id, "off"),
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"new_state": core.State(entity_id, "on"),
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}
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for _ in range(events_to_fire):
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hass.bus.async_fire(EVENT_STATE_CHANGED, event_data)
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start = timer()
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await hass.async_block_till_done()
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assert count == 0
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return timer() - start
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@benchmark
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async def filtering_entity_id(hass):
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"""Run a 100k state changes through entity filter."""
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config = {
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"include": {
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"domains": [
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"automation",
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"script",
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"group",
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"media_player",
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"custom_component",
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],
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"entity_globs": [
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"binary_sensor.*_contact",
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"binary_sensor.*_occupancy",
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"binary_sensor.*_detected",
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"binary_sensor.*_active",
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"input_*",
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"device_tracker.*_phone",
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"switch.*_light",
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"binary_sensor.*_charging",
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"binary_sensor.*_lock",
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"binary_sensor.*_connected",
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],
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"entities": [
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"test.entity_1",
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"test.entity_2",
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"binary_sensor.garage_door_open",
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"test.entity_3",
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"test.entity_4",
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],
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},
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"exclude": {
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"domains": ["input_number"],
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"entity_globs": ["media_player.google_*", "group.all_*"],
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"entities": [],
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},
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}
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entity_ids = [
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"automation.home_arrival",
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"script.shut_off_house",
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"binary_sensor.garage_door_open",
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"binary_sensor.front_door_lock",
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"binary_sensor.kitchen_motion_sensor_occupancy",
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"switch.desk_lamp",
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"light.dining_room",
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"input_boolean.guest_staying_over",
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"person.eleanor_fant",
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"alert.issue_at_home",
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"calendar.eleanor_fant_s_calendar",
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"sun.sun",
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]
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entities_filter = convert_include_exclude_filter(config)
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size = len(entity_ids)
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start = timer()
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for i in range(10**5):
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entities_filter(entity_ids[i % size])
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return timer() - start
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@benchmark
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async def valid_entity_id(hass):
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"""Run valid entity ID a million times."""
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start = timer()
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for _ in range(10**6):
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core.valid_entity_id("light.kitchen")
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return timer() - start
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@benchmark
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async def json_serialize_states(hass):
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"""Serialize million states with websocket default encoder."""
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states = [
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core.State("light.kitchen", "on", {"friendly_name": "Kitchen Lights"})
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for _ in range(10**6)
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]
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start = timer()
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JSON_DUMP(states)
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return timer() - start
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def _create_state_changed_event_from_old_new(
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entity_id, event_time_fired, old_state, new_state
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):
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"""Create a state changed event from a old and new state."""
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attributes = {}
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if new_state is not None:
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attributes = new_state.get("attributes")
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attributes_json = json.dumps(attributes, cls=JSONEncoder)
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if attributes_json == "null":
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attributes_json = "{}"
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row = collections.namedtuple(
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"Row",
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[
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"event_type"
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"event_data"
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"time_fired"
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"context_id"
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"context_user_id"
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"state"
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"entity_id"
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"domain"
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"attributes"
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"state_id",
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"old_state_id",
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],
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)
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row.event_type = EVENT_STATE_CHANGED
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row.event_data = "{}"
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row.attributes = attributes_json
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row.time_fired = event_time_fired
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row.state = new_state and new_state.get("state")
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row.entity_id = entity_id
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row.domain = entity_id and core.split_entity_id(entity_id)[0]
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row.context_id = None
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row.context_user_id = None
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row.old_state_id = old_state and 1
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row.state_id = new_state and 1
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# pylint: disable=import-outside-toplevel
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from homeassistant.components import logbook
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return logbook.LazyEventPartialState(row, {})
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