Files
homeassistant_config/config/custom_components/watchman/__init__.py
2024-05-31 13:07:35 +02:00

453 lines
16 KiB
Python

"""https://github.com/dummylabs/thewatchman§"""
from datetime import timedelta
import logging
import os
import time
import json
import voluptuous as vol
from homeassistant.loader import async_get_integration
from homeassistant.helpers import config_validation as cv
from homeassistant.components import persistent_notification
from homeassistant.util import dt as dt_util
from homeassistant.helpers.event import async_track_point_in_utc_time
from homeassistant.exceptions import HomeAssistantError
from homeassistant.helpers.typing import HomeAssistantType
from homeassistant.config_entries import ConfigEntry, SOURCE_IMPORT
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import ConfigEntryNotReady
from homeassistant.const import (
EVENT_HOMEASSISTANT_STARTED,
EVENT_SERVICE_REGISTERED,
EVENT_SERVICE_REMOVED,
EVENT_STATE_CHANGED,
EVENT_CALL_SERVICE,
STATE_UNKNOWN,
)
from .coordinator import WatchmanCoordinator
from .utils import (
is_service,
report,
parse,
table_renderer,
text_renderer,
get_config,
get_report_path,
)
from .const import (
DOMAIN,
DOMAIN_DATA,
DEFAULT_HEADER,
CONF_IGNORED_FILES,
CONF_HEADER,
CONF_REPORT_PATH,
CONF_IGNORED_ITEMS,
CONF_SERVICE_NAME,
CONF_SERVICE_DATA,
CONF_SERVICE_DATA2,
CONF_INCLUDED_FOLDERS,
CONF_CHECK_LOVELACE,
CONF_IGNORED_STATES,
CONF_CHUNK_SIZE,
CONF_CREATE_FILE,
CONF_SEND_NOTIFICATION,
CONF_PARSE_CONFIG,
CONF_COLUMNS_WIDTH,
CONF_STARTUP_DELAY,
CONF_FRIENDLY_NAMES,
CONF_ALLOWED_SERVICE_PARAMS,
CONF_TEST_MODE,
EVENT_AUTOMATION_RELOADED,
EVENT_SCENE_RELOADED,
TRACKED_EVENT_DOMAINS,
MONITORED_STATES,
PLATFORMS,
VERSION,
)
_LOGGER = logging.getLogger(__name__)
CONFIG_SCHEMA = vol.Schema(
{
DOMAIN: vol.Schema(
{
vol.Optional(CONF_REPORT_PATH): cv.string,
vol.Optional(CONF_IGNORED_FILES): cv.ensure_list,
vol.Optional(CONF_IGNORED_ITEMS): cv.ensure_list,
vol.Optional(CONF_HEADER, default=DEFAULT_HEADER): cv.string,
vol.Optional(CONF_SERVICE_NAME): cv.string,
vol.Optional(CONF_SERVICE_DATA): vol.Schema({}, extra=vol.ALLOW_EXTRA),
vol.Optional(CONF_INCLUDED_FOLDERS): cv.ensure_list,
vol.Optional(CONF_CHECK_LOVELACE, default=False): cv.boolean,
vol.Optional(CONF_CHUNK_SIZE, default=3500): cv.positive_int,
vol.Optional(CONF_IGNORED_STATES): [
"missing",
"unavailable",
"unknown",
],
vol.Optional(CONF_COLUMNS_WIDTH): cv.ensure_list,
vol.Optional(CONF_STARTUP_DELAY, default=0): cv.positive_int,
vol.Optional(CONF_FRIENDLY_NAMES, default=False): cv.boolean,
}
)
},
extra=vol.ALLOW_EXTRA,
)
async def async_setup(hass: HomeAssistantType, config: dict):
"""Set up is called when Home Assistant is loading our component."""
if config.get(DOMAIN) is None:
# We get here if the integration is set up using config flow
return True
hass.data.setdefault(DOMAIN_DATA, config[DOMAIN])
hass.async_create_task(
hass.config_entries.flow.async_init(
DOMAIN, context={"source": SOURCE_IMPORT}, data=hass.data[DOMAIN_DATA]
)
)
# Return boolean to indicate that initialization was successful.
return True
async def async_setup_entry(hass: HomeAssistantType, entry: ConfigEntry):
"""Set up this integration using UI"""
_LOGGER.debug(entry.options)
_LOGGER.debug("Home assistant path: %s", hass.config.path(""))
coordinator = WatchmanCoordinator(hass, _LOGGER, name=entry.title)
coordinator.async_set_updated_data(None)
if not coordinator.last_update_success:
raise ConfigEntryNotReady
hass.data.setdefault(DOMAIN, {})[entry.entry_id] = coordinator
hass.data[DOMAIN]["coordinator"] = coordinator
hass.data[DOMAIN_DATA] = entry.options # TODO: refactor
await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
entry.async_on_unload(entry.add_update_listener(update_listener))
await add_services(hass)
await add_event_handlers(hass)
if hass.is_running:
# integration reloaded or options changed via UI
parse_config(hass, reason="changes in watchman configuration")
await coordinator.async_config_entry_first_refresh()
else:
# first run, home assistant is loading
# parse_config will be scheduled once HA is fully loaded
_LOGGER.info("Watchman started [%s]", VERSION)
# resources = hass.data["lovelace"]["resources"]
# await resources.async_get_info()
# for itm in resources.async_items():
# _LOGGER.debug(itm)
return True
async def update_listener(hass: HomeAssistant, entry: ConfigEntry):
"""Reload integration when options changed"""
await hass.config_entries.async_reload(entry.entry_id)
async def async_unload_entry(
hass: HomeAssistant, config_entry
): # pylint: disable=unused-argument
"""Handle integration unload"""
for cancel_handle in hass.data[DOMAIN].get("cancel_handlers", []):
if cancel_handle:
cancel_handle()
if hass.services.has_service(DOMAIN, "report"):
hass.services.async_remove(DOMAIN, "report")
unload_ok = await hass.config_entries.async_unload_platforms(
config_entry, PLATFORMS
)
if DOMAIN_DATA in hass.data:
hass.data.pop(DOMAIN_DATA)
if DOMAIN in hass.data:
hass.data.pop(DOMAIN)
if unload_ok:
_LOGGER.info("Watchman integration successfully unloaded.")
else:
_LOGGER.error("Having trouble unloading watchman integration")
return unload_ok
async def add_services(hass: HomeAssistant):
"""adds report service"""
async def async_handle_report(call):
"""Handle the service call"""
config = hass.data.get(DOMAIN_DATA, {})
path = get_report_path(hass, config.get(CONF_REPORT_PATH, None))
send_notification = call.data.get(CONF_SEND_NOTIFICATION, False)
create_file = call.data.get(CONF_CREATE_FILE, True)
test_mode = call.data.get(CONF_TEST_MODE, False)
# validate service params
for param in call.data:
if param not in CONF_ALLOWED_SERVICE_PARAMS:
await async_notification(
hass,
"Watchman error",
f"Unknown service " f"parameter: `{param}`.",
error=True,
)
if not (send_notification or create_file):
message = (
"Either `send_nofification` or `create_file` should be set to `true` "
"in service parameters."
)
await async_notification(hass, "Watchman error", message, error=True)
if call.data.get(CONF_PARSE_CONFIG, False):
parse_config(hass, reason="service call")
if send_notification:
chunk_size = call.data.get(CONF_CHUNK_SIZE, config.get(CONF_CHUNK_SIZE))
service = call.data.get(CONF_SERVICE_NAME, None)
service_data = call.data.get(CONF_SERVICE_DATA, None)
if service_data and not service:
await async_notification(
hass,
"Watchman error",
"Missing `service` parameter. The `data` parameter can only be used "
"in conjunction with `service` parameter.",
error=True,
)
if onboarding(hass, service, path):
await async_notification(
hass,
"🖖 Achievement unlocked: first report!",
f"Your first watchman report was stored in `{path}` \n\n "
"TIP: set `service` parameter in configuration.yaml file to "
"receive report via notification service of choice. \n\n "
"This is one-time message, it will not bother you in the future.",
)
else:
await async_report_to_notification(
hass, service, service_data, chunk_size
)
if create_file:
try:
await async_report_to_file(hass, path, test_mode=test_mode)
except OSError as exception:
await async_notification(
hass,
"Watchman error",
f"Unable to write report: {exception}",
error=True,
)
hass.services.async_register(DOMAIN, "report", async_handle_report)
async def add_event_handlers(hass: HomeAssistant):
"""add event handlers"""
async def async_schedule_refresh_states(hass, delay):
"""schedule refresh of the sensors state"""
now = dt_util.utcnow()
next_interval = now + timedelta(seconds=delay)
async_track_point_in_utc_time(hass, async_delayed_refresh_states, next_interval)
async def async_delayed_refresh_states(timedate): # pylint: disable=unused-argument
"""refresh sensors state"""
# parse_config should be invoked beforehand
coordinator = hass.data[DOMAIN]["coordinator"]
await coordinator.async_refresh()
async def async_on_home_assistant_started(event): # pylint: disable=unused-argument
parse_config(hass, reason="HA restart")
startup_delay = get_config(hass, CONF_STARTUP_DELAY, 0)
await async_schedule_refresh_states(hass, startup_delay)
async def async_on_configuration_changed(event):
typ = event.event_type
if typ == EVENT_CALL_SERVICE:
domain = event.data.get("domain", None)
service = event.data.get("service", None)
if domain in TRACKED_EVENT_DOMAINS and service in [
"reload_core_config",
"reload",
]:
parse_config(hass, reason="configuration changes")
coordinator = hass.data[DOMAIN]["coordinator"]
await coordinator.async_refresh()
elif typ in [EVENT_AUTOMATION_RELOADED, EVENT_SCENE_RELOADED]:
parse_config(hass, reason="configuration changes")
coordinator = hass.data[DOMAIN]["coordinator"]
await coordinator.async_refresh()
async def async_on_service_changed(event):
service = f"{event.data['domain']}.{event.data['service']}"
if service in hass.data[DOMAIN].get("service_list", []):
_LOGGER.debug("Monitored service changed: %s", service)
coordinator = hass.data[DOMAIN]["coordinator"]
await coordinator.async_refresh()
async def async_on_state_changed(event):
"""refresh monitored entities on state change"""
def state_or_missing(state_id):
"""return missing state if entity not found"""
return "missing" if not event.data[state_id] else event.data[state_id].state
if event.data["entity_id"] in hass.data[DOMAIN].get("entity_list", []):
ignored_states = get_config(hass, CONF_IGNORED_STATES, [])
old_state = state_or_missing("old_state")
new_state = state_or_missing("new_state")
checked_states = set(MONITORED_STATES) - set(ignored_states)
if new_state in checked_states or old_state in checked_states:
_LOGGER.debug("Monitored entity changed: %s", event.data["entity_id"])
coordinator = hass.data[DOMAIN]["coordinator"]
await coordinator.async_refresh()
# hass is not started yet, schedule config parsing once it loaded
if not hass.is_running:
hass.bus.async_listen_once(
EVENT_HOMEASSISTANT_STARTED, async_on_home_assistant_started
)
hdlr = []
hdlr.append(
hass.bus.async_listen(EVENT_CALL_SERVICE, async_on_configuration_changed)
)
hdlr.append(
hass.bus.async_listen(EVENT_AUTOMATION_RELOADED, async_on_configuration_changed)
)
hdlr.append(
hass.bus.async_listen(EVENT_SCENE_RELOADED, async_on_configuration_changed)
)
hdlr.append(
hass.bus.async_listen(EVENT_SERVICE_REGISTERED, async_on_service_changed)
)
hdlr.append(hass.bus.async_listen(EVENT_SERVICE_REMOVED, async_on_service_changed))
hdlr.append(hass.bus.async_listen(EVENT_STATE_CHANGED, async_on_state_changed))
hass.data[DOMAIN]["cancel_handlers"] = hdlr
def parse_config(hass: HomeAssistant, reason=None):
"""parse home assistant configuration files"""
assert hass.data.get(DOMAIN_DATA)
start_time = time.time()
included_folders = get_included_folders(hass)
ignored_files = hass.data[DOMAIN_DATA].get(CONF_IGNORED_FILES, None)
entity_list, service_list, files_parsed, files_ignored = parse(
hass, included_folders, ignored_files, hass.config.config_dir
)
hass.data[DOMAIN]["entity_list"] = entity_list
hass.data[DOMAIN]["service_list"] = service_list
hass.data[DOMAIN]["files_parsed"] = files_parsed
hass.data[DOMAIN]["files_ignored"] = files_ignored
hass.data[DOMAIN]["parse_duration"] = time.time() - start_time
_LOGGER.info(
"%s files parsed and %s files ignored in %.2fs. due to %s",
files_parsed,
files_ignored,
hass.data[DOMAIN]["parse_duration"],
reason,
)
def get_included_folders(hass):
"""gather the list of folders to parse"""
folders = []
config_folders = [hass.config.config_dir]
if DOMAIN_DATA in hass.data:
config_folders = hass.data[DOMAIN_DATA].get("included_folders")
if not config_folders:
config_folders = [hass.config.config_dir]
for fld in config_folders:
folders.append(os.path.join(fld, "**/*.yaml"))
if DOMAIN_DATA in hass.data and hass.data[DOMAIN_DATA].get(CONF_CHECK_LOVELACE):
folders.append(os.path.join(hass.config.config_dir, ".storage/**/lovelace*"))
return folders
async def async_report_to_file(hass, path, test_mode):
"""save report to a file"""
coordinator = hass.data[DOMAIN]["coordinator"]
await coordinator.async_refresh()
report_chunks = report(hass, table_renderer, chunk_size=0, test_mode=test_mode)
# OSError exception is handled in async_handle_report
with open(path, "w", encoding="utf-8") as report_file:
for chunk in report_chunks:
report_file.write(chunk)
async def async_report_to_notification(hass, service_str, service_data, chunk_size):
"""send report via notification service"""
if not service_str:
service_str = get_config(hass, CONF_SERVICE_NAME, None)
service_data = get_config(hass, CONF_SERVICE_DATA2, None)
if not service_str:
await async_notification(
hass,
"Watchman Error",
"You should specify `service` parameter (in integration options or as `service` "
"parameter) in order to send report via notification",
)
return
if not is_service(hass, service_str):
await async_notification(
hass,
"Watchman Error",
f"{service_str} is not a valid service for notification",
)
domain = service_str.split(".")[0]
service = ".".join(service_str.split(".")[1:])
data = {} if service_data is None else json.loads(service_data)
coordinator = hass.data[DOMAIN]["coordinator"]
await coordinator.async_refresh()
report_chunks = report(hass, text_renderer, chunk_size)
for chunk in report_chunks:
data["message"] = chunk
# blocking=True ensures execution order
if not await hass.services.async_call(domain, service, data, blocking=True):
_LOGGER.error(
"Unable to call service %s.%s due to an error.", domain, service
)
break
async def async_notification(hass, title, message, error=False, n_id="watchman"):
"""Show a persistent notification"""
persistent_notification.async_create(
hass,
message,
title=title,
notification_id=n_id,
)
if error:
raise HomeAssistantError(message.replace("`", ""))
def onboarding(hass, service, path):
"""check if the user runs report for the first time"""
service = service or get_config(hass, CONF_SERVICE_NAME, None)
return not (service or os.path.exists(path))