class Accessory:
"""A representation of a HAP accessory.
Inherit from this class to build your own accessories.
"""
category = CATEGORY_OTHER
def __init__(self, driver, display_name, aid=None):
"""Initialise with the given properties.
:param display_name: Name to be displayed in the Home app.
:type display_name: str
:param aid: The accessory ID, uniquely identifying this accessory.
`Accessories` that advertised on the network must have the
standalone AID. Defaults to None, in which case the `AccessoryDriver`
will assign the standalone AID to this `Accessory`.
:type aid: int
"""
self.aid = aid
self.display_name = display_name
self.driver = driver
self.services = []
self.iid_manager = IIDManager()
self.add_info_service()
def __repr__(self):
"""Return the representation of the accessory."""
services = [s.display_name for s in self.services]
return "<accessory display_name='{}' services={}>".format(
self.display_name, services)
@property
def available(self):
"""Accessory is available.
If available is False, get_characteristics will return
SERVICE_COMMUNICATION_FAILURE for the accessory which will
show as unavailable.
Expected to be overridden.
"""
return True
def add_info_service(self):
"""Helper method to add the required `AccessoryInformation` service.
Called in `__init__` to be sure that it is the first service added.
May be overridden.
"""
serv_info = self.driver.loader.get_service("AccessoryInformation")
serv_info.configure_char("Name", value=self.display_name)
serv_info.configure_char("SerialNumber", value="default")
self.add_service(serv_info)
def set_info_service(self,
firmware_revision=None,
manufacturer=None,
model=None,
serial_number=None):
"""Quick assign basic accessory information."""
serv_info = self.get_service("AccessoryInformation")
if firmware_revision:
serv_info.configure_char("FirmwareRevision",
value=firmware_revision)
if manufacturer:
serv_info.configure_char("Manufacturer", value=manufacturer)
if model:
serv_info.configure_char("Model", value=model)
if serial_number is not None:
if len(serial_number) >= 1:
serv_info.configure_char("SerialNumber", value=serial_number)
else:
logger.warning(
"Couldn't add SerialNumber for %s. The SerialNumber must "
"be at least one character long.",
self.display_name,
)
def add_preload_service(self, service, chars=None):
"""Create a service with the given name and add it to this acc."""
service = self.driver.loader.get_service(service)
if chars:
chars = chars if isinstance(chars, list) else [chars]
for char_name in chars:
char = self.driver.loader.get_char(char_name)
service.add_characteristic(char)
self.add_service(service)
return service
def set_primary_service(self, primary_service):
"""Set the primary service of the acc."""
for service in self.services:
service.is_primary_service = service.type_id == primary_service.type_id
def add_service(self, *servs):
"""Add the given services to this Accessory.
This also assigns unique IIDS to the services and their Characteristics.
.. note:: Do not add or remove characteristics from services that have been added
to an Accessory, as this will lead to inconsistent IIDs.
:param servs: Variable number of services to add to this Accessory.
:type: Service
"""
for s in servs:
self.services.append(s)
self.iid_manager.assign(s)
s.broker = self
for c in s.characteristics:
self.iid_manager.assign(c)
c.broker = self
def get_service(self, name):
"""Return a Service with the given name.
A single Service is returned even if more than one Service with the same name
are present.
:param name: The display_name of the Service to search for.
:type name: str
:return: A Service with the given name or None if no such service exists in this
Accessory.
:rtype: Service
"""
return next((s for s in self.services if s.display_name == name), None)
def xhm_uri(self):
"""Generates the X-HM:// uri (Setup Code URI)
:rtype: str
"""
payload = 0
payload |= 0 & 0x7 # version
payload <<= 4
payload |= 0 & 0xF # reserved bits
payload <<= 8
payload |= self.category & 0xFF # category
payload <<= 4
payload |= 2 & 0xF # flags
payload <<= 27
payload |= (int(self.driver.state.pincode.replace(b"-", b""), 10)
& 0x7FFFFFFF) # pincode
encoded_payload = base36.dumps(payload).upper()
encoded_payload = encoded_payload.rjust(9, "0")
return "X-HM://" + encoded_payload + self.driver.state.setup_id
def get_characteristic(self, aid, iid):
"""Get the characteristic for the given IID.
The AID is used to verify if the search is in the correct accessory.
"""
if aid != self.aid:
return None
return self.iid_manager.get_obj(iid)
def to_HAP(self):
"""A HAP representation of this Accessory.
:return: A HAP representation of this accessory. For example:
.. code-block:: python
{ "aid": 1,
"services": [{
"iid" 2,
"type": ...,
...
}]
}
:rtype: dict
"""
return {
HAP_REPR_AID: self.aid,
HAP_REPR_SERVICES: [s.to_HAP() for s in self.services],
}
def setup_message(self):
"""Print setup message to console.
For QRCode `base36`, `pyqrcode` are required.
Installation through `pip install HAP-python[QRCode]`
"""
pincode = self.driver.state.pincode.decode()
if SUPPORT_QR_CODE:
xhm_uri = self.xhm_uri()
print("Setup payload: {}".format(xhm_uri), flush=True)
print("Scan this code with your HomeKit app on your iOS device:",
flush=True)
print(QRCode(xhm_uri).terminal(quiet_zone=2), flush=True)
print(
"Or enter this code in your HomeKit app on your iOS device: "
"{}".format(pincode),
flush=True,
)
else:
print(
"To use the QR Code feature, use 'pip install "
"HAP-python[QRCode]'",
flush=True,
)
print(
"Enter this code in your HomeKit app on your iOS device: {}".
format(pincode),
flush=True,
)
@staticmethod
def run_at_interval(seconds):
"""Decorator that runs decorated method every x seconds, until stopped.
Can be used with normal and async methods.
.. code-block:: python
@Accessory.run_at_interval(3)
def run(self):
print("Hello again world!")
:param seconds: The amount of seconds to wait for the event to be set.
Determines the interval on which the decorated method will be called.
:type seconds: float
"""
def _repeat(func):
async def _wrapper(self, *args):
while True:
await self.driver.async_add_job(func, self, *args)
if await util.event_wait(self.driver.aio_stop_event,
seconds):
break
return _wrapper
return _repeat
async def run(self):
"""Called when the Accessory should start doing its thing.
Called when HAP server is running, advertising is set, etc.
Can be overridden with a normal or async method.
"""
async def stop(self):
"""Called when the Accessory should stop what is doing and clean up any resources.
Can be overridden with a normal or async method.
"""
# Driver
def publish(self, value, sender, sender_client_addr=None):
"""Append AID and IID of the sender and forward it to the driver.
Characteristics call this method to send updates.
:param data: Data to publish, usually from a Characteristic.
:type data: dict
:param sender: The Service or Characteristic from which the call originated.
:type: Service or Characteristic
"""
acc_data = {
HAP_REPR_AID: self.aid,
HAP_REPR_IID: self.iid_manager.get_iid(sender),
HAP_REPR_VALUE: value,
}
self.driver.publish(acc_data, sender_client_addr)
class Accessory:
"""A representation of a HAP accessory.
Inherit from this class to build your own accessories.
At the end of the init of this class, the _set_services method is called.
Use this to set your HAP services.
"""
category = CATEGORY_OTHER
def __init__(self, driver, display_name, aid=None):
"""Initialise with the given properties.
:param display_name: Name to be displayed in the Home app.
:type display_name: str
:param aid: The accessory ID, uniquely identifying this accessory.
`Accessories` that advertised on the network must have the
standalone AID. Defaults to None, in which case the `AccessoryDriver`
will assign the standalone AID to this `Accessory`.
:type aid: int
"""
self.aid = aid
self.display_name = display_name
self.driver = driver
self.services = []
self.iid_manager = IIDManager()
self.add_info_service()
self._set_services()
def __repr__(self):
"""Return the representation of the accessory."""
services = [s.display_name for s in self.services]
return "<accessory display_name='{}' services={}>" \
.format(self.display_name, services)
def __getstate__(self):
state = self.__dict__.copy()
state['driver'] = None
state['run_sentinel'] = None
return state
def _set_services(self):
"""Set the services for this accessory.
.. deprecated:: 2.0
Initialize the service inside the accessory `init` method instead.
"""
@property
def available(self):
"""Accessory is available.
If available is False, get_characteristics will return
SERVICE_COMMUNICATION_FAILURE for the accessory which will
show as unavailable.
Expected to be overridden.
"""
return True
def add_info_service(self):
"""Helper method to add the required `AccessoryInformation` service.
Called in `__init__` to be sure that it is the first service added.
May be overridden.
"""
serv_info = self.driver.loader.get_service('AccessoryInformation')
serv_info.configure_char('Name', value=self.display_name)
serv_info.configure_char('SerialNumber', value='default')
self.add_service(serv_info)
def set_info_service(self,
firmware_revision=None,
manufacturer=None,
model=None,
serial_number=None):
"""Quick assign basic accessory information."""
serv_info = self.get_service('AccessoryInformation')
if firmware_revision:
serv_info.configure_char('FirmwareRevision',
value=firmware_revision)
if manufacturer:
serv_info.configure_char('Manufacturer', value=manufacturer)
if model:
serv_info.configure_char('Model', value=model)
if serial_number:
if len(serial_number) >= 1:
serv_info.configure_char('SerialNumber', value=serial_number)
else:
logger.warning(
"Couldn't add SerialNumber for %s. The SerialNumber must "
"be at least one character long.", self.display_name)
def add_preload_service(self, service, chars=None):
"""Create a service with the given name and add it to this acc."""
service = self.driver.loader.get_service(service)
if chars:
chars = chars if isinstance(chars, list) else [chars]
for char_name in chars:
char = self.driver.loader.get_char(char_name)
service.add_characteristic(char)
self.add_service(service)
return service
def set_primary_service(self, primary_service):
"""Set the primary service of the acc."""
for service in self.services:
service.is_primary_service = service.type_id == \
primary_service.type_id
def config_changed(self):
"""Notify the accessory about configuration changes.
These include new services or updated characteristic values, e.g.
the Name of a service changed.
This method also notifies the driver about the change, so that it can
publish the changes to the world.
.. note:: If you are changing the configuration of a bridged accessory
(i.e. an Accessory that is contained in a Bridge),
you should call the `config_changed` method on the Bridge.
Deprecated. Use `driver.config_changed()` instead.
"""
logger.warning(
'This method is now deprecated. Use \'driver.config_changed\' instead.'
)
self.driver.config_changed()
def add_service(self, *servs):
"""Add the given services to this Accessory.
This also assigns unique IIDS to the services and their Characteristics.
.. note:: Do not add or remove characteristics from services that have been added
to an Accessory, as this will lead to inconsistent IIDs.
:param servs: Variable number of services to add to this Accessory.
:type: Service
"""
for s in servs:
self.services.append(s)
self.iid_manager.assign(s)
s.broker = self
for c in s.characteristics:
self.iid_manager.assign(c)
c.broker = self
def get_service(self, name):
"""Return a Service with the given name.
A single Service is returned even if more than one Service with the same name
are present.
:param name: The display_name of the Service to search for.
:type name: str
:return: A Service with the given name or None if no such service exists in this
Accessory.
:rtype: Service
"""
return next((s for s in self.services if s.display_name == name), None)
def xhm_uri(self):
"""Generates the X-HM:// uri (Setup Code URI)
:rtype: str
"""
buffer = bytearray(b'\x00\x00\x00\x00\x00\x00\x00\x00')
value_low = int(self.driver.state.pincode.replace(b'-', b''), 10)
value_low |= 1 << 28
struct.pack_into('>L', buffer, 4, value_low)
if self.category == CATEGORY_OTHER:
buffer[4] = buffer[4] | 1 << 7
value_high = self.category >> 1
struct.pack_into('>L', buffer, 0, value_high)
encoded_payload = base36.dumps(
struct.unpack_from('>L', buffer, 4)[0] +
(struct.unpack_from('>L', buffer, 0)[0] * (1 << 32))).upper()
encoded_payload = encoded_payload.rjust(9, '0')
return 'X-HM://' + encoded_payload + self.driver.state.setup_id
def get_characteristic(self, aid, iid):
"""Get the characteristic for the given IID.
The AID is used to verify if the search is in the correct accessory.
"""
if aid != self.aid:
return None
return self.iid_manager.get_obj(iid)
def to_HAP(self):
"""A HAP representation of this Accessory.
:return: A HAP representation of this accessory. For example:
.. code-block:: python
{ "aid": 1,
"services": [{
"iid" 2,
"type": ...,
...
}]
}
:rtype: dict
"""
return {
HAP_REPR_AID: self.aid,
HAP_REPR_SERVICES: [s.to_HAP() for s in self.services],
}
def setup_message(self):
"""Print setup message to console.
For QRCode `base36`, `pyqrcode` are required.
Installation through `pip install HAP-python[QRCode]`
"""
pincode = self.driver.state.pincode.decode()
if SUPPORT_QR_CODE:
xhm_uri = self.xhm_uri()
print('Setup payload: {}'.format(xhm_uri), flush=True)
print('Scan this code with your HomeKit app on your iOS device:',
flush=True)
print(QRCode(xhm_uri).terminal(quiet_zone=2), flush=True)
print('Or enter this code in your HomeKit app on your iOS device: '
'{}'.format(pincode),
flush=True)
else:
print(
'To use the QR Code feature, use \'pip install '
'HAP-python[QRCode]\'',
flush=True)
print('Enter this code in your HomeKit app on your iOS device: {}'.
format(pincode),
flush=True)
@staticmethod
def run_at_interval(seconds):
"""Decorator that runs decorated method every x seconds, until stopped.
Can be used with normal and async methods.
.. code-block:: python
@Accessory.run_at_interval(3)
def run(self):
print("Hello again world!")
:param seconds: The amount of seconds to wait for the event to be set.
Determines the interval on which the decorated method will be called.
:type seconds: float
"""
def _repeat(func):
async def _wrapper(self, *args):
while True:
await self.driver.async_add_job(func, self, *args)
if await util.event_wait(self.driver.aio_stop_event,
seconds):
break
return _wrapper
return _repeat
async def run(self):
"""Called when the Accessory should start doing its thing.
Called when HAP server is running, advertising is set, etc.
Can be overridden with a normal or async method.
"""
async def stop(self):
"""Called when the Accessory should stop what is doing and clean up any resources.
Can be overridden with a normal or async method.
"""
# Driver
def publish(self, value, sender, sender_client_addr=None):
"""Append AID and IID of the sender and forward it to the driver.
Characteristics call this method to send updates.
:param data: Data to publish, usually from a Characteristic.
:type data: dict
:param sender: The Service or Characteristic from which the call originated.
:type: Service or Characteristic
"""
acc_data = {
HAP_REPR_AID: self.aid,
HAP_REPR_IID: self.iid_manager.get_iid(sender),
HAP_REPR_VALUE: value,
}
self.driver.publish(acc_data, sender_client_addr)