Add necessary support for Adaptive Lightning

.gitignore

@@ -33,4 +33,4 @@ pip-selfcheck.json
 
 # HAP-python-generated files
 accessory.pickle
-accessory.state
+/*.state

adaptive_lightbulb.py

@@ -0,0 +1,93 @@
+"""This virtual lightbulb implements the bare minimum needed for HomeKit
+    controller to recognize it as having AdaptiveLightning
+"""
+import logging
+import signal
+import random
+import tlv8
+import base64
+
+from pyhap.accessory import Accessory
+from pyhap.accessory_driver import AccessoryDriver
+from pyhap.const import (CATEGORY_LIGHTBULB,
+                         HAP_REPR_IID)
+from pyhap.loader import get_loader
+
+# Define tlv8 Keys and Values
+SUPPORTED_TRANSITION_CONFIGURATION = 1
+CHARACTERISTIC_IID = 1
+TRANSITION_TYPE = 2
+
+BRIGHTNESS = 1
+COLOR_TEMPERATURE = 2
+
+logging.basicConfig(level=logging.DEBUG, format="[%(module)s] %(message)s")
+
+def bytes_to_base64_string(value: bytes) -> str:
+   return base64.b64encode(value).decode('ASCII')
+
+class LightBulb(Accessory):
+    """Fake lightbulb, logs what the client sets."""
+
+    category = CATEGORY_LIGHTBULB
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+
+        serv_light = self.add_preload_service('Lightbulb', [
+            # The names here refer to the Characteristic name defined
+            # in characteristic.json
+            "Brightness",
+            "ColorTemperature",
+            "ActiveTransitionCount",
+            "TransitionControl",
+            "SupportedTransitionConfiguration"])
+
+        self.char_on = serv_light.configure_char(
+            'On', setter_callback=self.set_on)
+        self.char_br = serv_light.configure_char(
+            'Brightness', setter_callback=self.set_brightness)
+        self.char_ct = serv_light.configure_char(
+            'ColorTemperature', setter_callback=self.set_ct, value=140)
+
+        # Via this structure we advertise to the controller that we are
+        # capable of autonomous transitions between states on brightness
+        # and color temperature.
+        supported_transitions = [tlv8.Entry(SUPPORTED_TRANSITION_CONFIGURATION, [
+                    tlv8.Entry(CHARACTERISTIC_IID, self.char_br.to_HAP()[HAP_REPR_IID]),
+                    tlv8.Entry(TRANSITION_TYPE, BRIGHTNESS),
+                    tlv8.Entry(CHARACTERISTIC_IID, self.char_ct.to_HAP()[HAP_REPR_IID]),
+                    tlv8.Entry(TRANSITION_TYPE, COLOR_TEMPERATURE)
+                ])]
+
+        bytes_data = tlv8.encode(supported_transitions)
+        b64str = bytes_to_base64_string(bytes_data)
+
+        self.char_atc = serv_light.configure_char(
+            'ActiveTransitionCount', setter_callback=self.set_atc)
+        self.char_tc = serv_light.configure_char(
+            'TransitionControl', setter_callback=self.set_tc)
+        self.char_stc = serv_light.configure_char(
+            'SupportedTransitionConfiguration',
+            value=b64str)
+
+    def set_on(self, value):
+        logging.info("Write On State: %s", value)
+
+    def set_ct(self, value):
+        logging.info("Bulb color temp: %s", value)
+
+    def set_atc(self, value):
+        logging.info("Write to ActiveTransactionCount: %s", value)
+
+    def set_tc(self, value):
+        logging.info("Write to TransitionControl: %s", value)
+
+    def set_brightness(self, value):
+        logging.info("Bulb brightness: %s", value)
+
+driver = AccessoryDriver(port=51826, persist_file='adaptive_lightbulb.state')
+driver.add_accessory(accessory=LightBulb(driver, 'Lightbulb'))
+signal.signal(signal.SIGTERM, driver.signal_handler)
+driver.start()
+

pyhap/resources/characteristics.json

@@ -32,6 +32,14 @@
       ],
       "UUID": "000000E7-0000-1000-8000-0026BB765291"
    },
+   "ActiveTransitionCount": {
+      "Format": "uint8",
+      "Permissions": [
+         "pr",
+         "ev"
+      ],
+      "UUID": "0000024B-0000-1000-8000-0026BB765291"
+   },
    "AdministratorOnlyAccess": {
       "Format": "bool",
       "Permissions": [
@@ -1318,6 +1326,13 @@
       ],
       "UUID": "00000114-0000-1000-8000-0026BB765291"
    },
+   "SupportedTransitionConfiguration": {
+      "Format": "tlv8",
+      "Permissions": [
+         "pr"
+      ],
+      "UUID": "00000144-0000-1000-8000-0026BB765291"
+   },
    "SwingMode": {
       "Format": "uint8",
       "Permissions": [
@@ -1558,6 +1573,15 @@
          "Fahrenheit": 1
       }
    },
+   "TransitionControl": {
+      "Format": "tlv8",
+      "Permissions": [
+         "pr",
+         "pw",
+         "wr"
+      ],
+      "UUID": "00000143-0000-1000-8000-0026BB765291"
+   },
    "VOCDensity": {
       "Format": "float",
       "Permissions": [

pyhap/resources/services.json

@@ -309,7 +309,10 @@
          "Brightness",
          "Hue",
          "Saturation",
-         "Name"
+         "Name",
+         "ActiveTransitionCount",
+         "TransitionControl",
+         "SupportedTransitionConfiguration"
       ],
       "RequiredCharacteristics": [
          "On"
@@ -574,4 +577,4 @@
       ],
       "UUID": "0000008C-0000-1000-8000-0026BB765291"
    }
-}
+}