Package: ha-HAP-python
ha-HAP-pythonThis is a fork of HAP-python which is used for providing hotfixes for or troubleshooting issues with HAP-python in Home Assistant.HomeKit Accessory Protocol implementation in python 3.
With this project, you can integrate your own smart devices and add them to your
iOS Home app. Since Siri is integrated with the Home app, you can start voice-control your
accessories right away.Main features:Camera - HAP-python supports the camera accessory from version 2.3.0!asyncio support - You can run various tasks or accessories in the event loop.Out of the box support for Apple-defined services - see them inthe resources folder.Secure pairing by just scanning the QR code.Integrated with the home automation frameworkHome Assistant.The project was developed for a Raspberry Pi, but it should work on other platforms. To kick-start things,
you can openmain.pyorbusy_home.py, where you will find some fake accessories.
Just run one of them, for examplepython3 busy_home.py, and you can add it in
the Home app (be sure to be in the same network).
Stop it by hitting Ctrl+C.There are example accessories as well as integrations with real products
inthe accessories folder. See how to configure your camera incamera_main.py.Table of ContentsAPIInstallationSetting up a cameraRun at boot (and a Switch to shutdown your device)NoticeInstallationAs of version 3.5.1, HAP-python no longer supports python older than 3.6, because we
are moving to asyncio. If your platform does not have a compatible python out of the
box, you can install it manually or just use an older version of HAP-python.As a prerequisite, you will need Avahi/Bonjour installed (due to zeroconf package).
On a Raspberry Pi, you can get it with:$ sudo apt-get install libavahi-compat-libdnssd-devavahi-utilsmay also fit the bill. Then, you can install withpip3(you will needsudoor--userfor the install):$pip3installHAP-python[QRCode]This will install HAP-python in your python packages, so that you can import it aspyhap. To uninstall, just do:$ pip3 uninstall HAP-pythonAPIA typical flow for using HAP-python starts with implementing an Accessory. This is done by
subclassingAccessoryand putting in place a few details
(see below). After that, you give your accessory to an AccessoryDriver to manage. This
will take care of advertising it on the local network, setting a HAP server and
running the Accessory. Take a look atmain.pyfor a quick start on that.frompyhap.accessoryimportAccessory,Categoryimportpyhap.loaderasloaderclassTemperatureSensor(Accessory):"""Implementation of a mock temperature sensor accessory."""category=Category.SENSOR# This is for the icon in the iOS Home app.def__init__(self,*args,**kwargs):"""Here, we just store a reference to the current temperature characteristic andadd a method that will be executed every time its value changes."""# If overriding this method, be sure to call the super's implementation first.super().__init__(*args,**kwargs)# Add the services that this Accessory will support with add_preload_service heretemp_service=self.add_preload_service('TemperatureSensor')self.temp_char=temp_service.get_characteristic('CurrentTemperature')# Having a callback is optional, but you can use it to add functionality.self.temp_char.setter_callback=self.temperature_changeddeftemperature_changed(self,value):"""This will be called every time the value of the CurrentTemperatureis changed. Use setter_callbacks to react to user actions, e.g. setting thelights On could fire some GPIO code to turn on a LED (see pyhap/accessories/LightBulb.py)."""print('Temperature changed to: ',value)@Acessory.run_at_interval(3)# Run this method every 3 seconds# The `run` method can be `async` as welldefrun(self):"""We override this method to implement what the accessory will do when it isstarted.We set the current temperature to a random number. The decorator runs this methodevery 3 seconds."""self.temp_char.set_value(random.randint(18,26))# The `stop` method can be `async` as welldefstop(self):"""We override this method to clean up any resources or perform final actions, asthis is called by the AccessoryDriver when the Accessory is being stopped."""print('Stopping accessory.')Service CallbacksWhen you are working with tightly coupled characteristics such as "On" and "Brightness,"
you may need to use a service callback to receive all changes in a single request.With characteristic callbacks, you do now know that a "Brightness" characteristic is
about to be processed right after an "On" and may end up setting a LightBulb to 100%
and then dim it back down to the expected level.frompyhap.accessoryimportAccessoryfrompyhap.constimportCategoryimportpyhap.loaderasloaderclassLight(Accessory):"""Implementation of a mock light accessory."""category=Category.CATEGORY_LIGHTBULB# This is for the icon in the iOS Home app.def__init__(self,*args,**kwargs):"""Here, we just store a reference to the on and brightness characteristics andadd a method that will be executed every time their value changes."""# If overriding this method, be sure to call the super's implementation first.super().__init__(*args,**kwargs)# Add the services that this Accessory will support with add_preload_service hereserv_light=self.add_preload_service('Lightbulb')self.char_on=serv_light.configure_char('On',value=self._state)self.char_brightness=serv_light.configure_char('Brightness',value=100)serv_light.setter_callback=self._set_charsdef_set_chars(self,char_values):"""This will be called every time the value of the on of thecharacteristics on the service changes."""if"On"inchar_values:print('On changed to: ',char_values["On"])if"Brightness"inchar_values:print('Brightness changed to: ',char_values["Brightness"])@Acessory.run_at_interval(3)# Run this method every 3 seconds# The `run` method can be `async` as welldefrun(self):"""We override this method to implement what the accessory will do when it isstarted.We set the current temperature to a random number. The decorator runs this methodevery 3 seconds."""self.char_on.set_value(random.randint(0,1))self.char_brightness.set_value(random.randint(1,100))# The `stop` method can be `async` as welldefstop(self):"""We override this method to clean up any resources or perform final actions, asthis is called by the AccessoryDriver when the Accessory is being stopped."""print('Stopping accessory.')Setting up a cameraTheCamera accessoryimplements the HomeKit Protocol for negotiating stream settings,
such as the picture width and height, number of audio channels and others.
Starting a video and/or audio stream is very platform specific. Because of this,
you need to figure out what video and audio settings your camera supports and set them
in theoptionsparameter that is passed to theCameraAccessory. Refer to the
documentation for theCameracontructor for the settings you need to specify.By default, HAP-python will execute theffmpegcommand with the negotiated parameters
when the stream should be started and willterminatethe started process when the
stream should be stopped (see the default:Camera.FFMPEG_CMD).
If the default command is not supported or correctly formatted for your platform,
the streaming can fail.For these cases, HAP-python has hooks so that you can insert your own command or implement
the logic for starting or stopping the stream. There are two options:Pass your own command that will be executed when the stream should be started.You pass the command as a value to the keystart_stream_cmdin theoptionsparameter to
the constuctor of theCameraAccessory. The command is formatted using the
negotiated stream configuration parameters. For example, if the negotiated width
is 640 and you passfoo start -width {width}, the command will be formatted asfoo start -width 640.The full list of negotiated stream configuration parameters can be found in the
documentation for theCamera.startmethod.Implement your own logic to start, stop and reconfigure the stream.If you need more flexibility in managing streams, you can directly implement theCameramethodsstart,stopandreconfigure. Each will be called when the
stream should be respectively started, stopped or reconfigured. The start and
reconfigure methods are given the negotiated stream configuration parameters.Have a look at the documentation of these methods for more information.Finally, if you can take snapshots from the camera, you may want to implement theCamera.snapshotmethod. By default, this serves a stock photo.Run at bootThis is a quick way to getHAP-pythonto run at boot on a Raspberry Pi. It is recommended
to turn on "Wait for network" inraspi-config. If this turns to be unreliable, seethis.Copy the below in/etc/systemd/system/HAP-python.service(needs sudo).[Unit]
Description = HAP-python daemon
Wants = pigpiod.service  # Remove this if you don't depend on pigpiod
After = local-fs.target network-online.target pigpiod.service

[Service]
User = lesserdaemon  # It's a good idea to use some unprivileged system user
# Script starting HAP-python, e.g. main.py
# Be careful to set any paths you use, e.g. for persisting the state.
ExecStart = /usr/bin/python3 /home/lesserdaemon/.hap-python/hap-python.py

[Install]
WantedBy = multi-user.targetTest that everything is fine by doing:>sudosystemctlstartHAP-python
>systemctlstatusHAP-python
>sudojournalctl-uHAP-python# to see the output of the start up script.>sudosystemctlstopHAP-pythonTo enable or disable at boot, do:>sudosystemctlenableHAP-python
>sudosystemctldisableHAP-pythonShutdown switchIf you are runningHAP-pythonon a Raspberry Pi, you may want to add aShutdown Switchto your Home. This is a
Switch Accessory, which, when triggered, executessudo shutdown -h now, i.e.
it shutdowns and halts the Pi. This allows you to safely unplug it.For the above to work, you need to enable passwordless/sbin/shutdownto whichever
user is runningHAP-python. For example, do:$sudovisudo# and add the line: "<hap-user> ALL=NOPASSWD: /sbin/shutdown".NoticeSome HAP know-how was taken fromHAP-NodeJS by KhaosT.I am not aware of any bugs, but I am more than confident that such exist. If you find any,
please report and I will try to fix them.Suggestions are always welcome.Have fun!