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accessory.py
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accessory.py
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import logging
from pyhap.accessory import Accessory
from pyhap.const import CATEGORY_DOOR_LOCK
from service import Service
log = logging.getLogger()
# Lock class performs no logic, forwarding requests to Service class
class Lock(Accessory):
category = CATEGORY_DOOR_LOCK
def __init__(self, *args, service: Service, lock_state_at_startup=1, **kwargs):
super().__init__(*args, **kwargs)
self._last_client_public_keys = None
self._lock_target_state = lock_state_at_startup
self._lock_current_state = lock_state_at_startup
self.service = service
self.service.on_endpoint_authenticated = self.on_endpoint_authenticated
self.add_lock_service()
self.add_nfc_access_service()
def on_endpoint_authenticated(self, endpoint):
self._lock_target_state = 0 if self._lock_current_state else 1
log.info(
f"Toggling lock state due to endpoint authentication event {self._lock_target_state} -> {self._lock_current_state} {endpoint}"
)
self.lock_target_state.set_value(self._lock_target_state, should_notify=True)
self._lock_current_state = self._lock_target_state
self.lock_current_state.set_value(self._lock_current_state, should_notify=True)
def add_preload_service(self, service, chars=None, unique_id=None):
"""Create a service with the given name and add it to this acc."""
if isinstance(service, str):
service = self.driver.loader.get_service(service)
if unique_id is not None:
service.unique_id = unique_id
if chars:
chars = chars if isinstance(chars, list) else [chars]
for char_name in chars:
if isinstance(char_name, str):
char = self.driver.loader.get_char(char_name)
service.add_characteristic(char)
else:
service.add_characteristic(char_name)
self.add_service(service)
return service
def add_info_service(self):
serv_info = self.driver.loader.get_service("AccessoryInformation")
serv_info.configure_char("Name", value=self.display_name)
serv_info.configure_char("SerialNumber", value="default")
serv_info.add_characteristic(self.driver.loader.get_char("HardwareFinish"))
serv_info.configure_char(
"HardwareFinish", getter_callback=self.get_hardware_finish
)
self.add_service(serv_info)
def add_lock_service(self):
self.service_lock_mechanism = self.add_preload_service("LockMechanism")
self.lock_current_state = self.service_lock_mechanism.configure_char(
"LockCurrentState", getter_callback=self.get_lock_current_state, value=0
)
self.lock_target_state = self.service_lock_mechanism.configure_char(
"LockTargetState",
getter_callback=self.get_lock_target_state,
setter_callback=self.set_lock_target_state,
value=0,
)
self.service_lock_management = self.add_preload_service("LockManagement")
self.lock_control_point = self.service_lock_management.configure_char(
"LockControlPoint",
setter_callback=self.set_lock_control_point,
)
self.lock_version = self.service_lock_management.configure_char(
"Version",
getter_callback=self.get_lock_version,
)
def add_nfc_access_service(self):
self.service_nfc = self.add_preload_service("NFCAccess")
self.char_nfc_access_supported_configuration = self.service_nfc.configure_char(
"NFCAccessSupportedConfiguration",
getter_callback=self.get_nfc_access_supported_configuration,
)
self.char_nfc_access_control_point = self.service_nfc.configure_char(
"NFCAccessControlPoint",
getter_callback=self.get_nfc_access_control_point,
setter_callback=self.set_nfc_access_control_point,
)
self.configuration_state = self.service_nfc.configure_char(
"ConfigurationState", getter_callback=self.get_configuration_state
)
def _update_hap_pairings(self):
client_public_keys = set(self.clients.values())
if self._last_client_public_keys == client_public_keys:
return
self._last_client_public_keys = client_public_keys
self.service.update_hap_pairings(client_public_keys)
def get_lock_current_state(self):
log.info("get_lock_current_state")
return self._lock_current_state
def get_lock_target_state(self):
log.info("get_lock_target_state")
return self._lock_target_state
def set_lock_target_state(self, value):
log.info(f"set_lock_target_state {value}")
self._lock_target_state = self._lock_current_state = value
self.lock_current_state.set_value(self._lock_current_state, should_notify=True)
return self._lock_target_state
def get_lock_version(self):
log.info("get_lock_version")
return ""
def set_lock_control_point(self, value):
log.info(f"set_lock_control_point: {value}")
# All methods down here are forwarded to Service
def get_hardware_finish(self):
self._update_hap_pairings()
log.info("get_hardware_finish")
return self.service.get_hardware_finish()
def get_nfc_access_supported_configuration(self):
self._update_hap_pairings()
log.info("get_nfc_access_supported_configuration")
return self.service.get_nfc_access_supported_configuration()
def get_nfc_access_control_point(self):
self._update_hap_pairings()
log.info("get_nfc_access_control_point")
return self.service.get_nfc_access_control_point()
def set_nfc_access_control_point(self, value):
self._update_hap_pairings()
log.info(f"set_nfc_access_control_point {value}")
return self.service.set_nfc_access_control_point(value)
def get_configuration_state(self):
self._update_hap_pairings()
log.info("get_configuration_state")
return self.service.get_configuration_state()
@property
def clients(self):
return self.driver.state.paired_clients