From c719ecf2e2cc1bff2f88e2c0886dbfc35b457863 Mon Sep 17 00:00:00 2001
From: Daniel Martin <consume.noise@gmail.com>
Date: Thu, 6 Jun 2019 12:22:50 +0200
Subject: [PATCH] ble: use properties instead of variables

Replace variables (objpath, interface, uuid) with properties.

Signed-off-by: Daniel Martin <consume.noise@gmail.com>
---
 tuhi/ble.py | 28 ++++++++++++++++++++++------
 1 file changed, 22 insertions(+), 6 deletions(-)

diff --git a/tuhi/ble.py b/tuhi/ble.py
index 8fc2183..5abb1b8 100755
--- a/tuhi/ble.py
+++ b/tuhi/ble.py
@@ -35,17 +35,26 @@ class BlueZCharacteristic(GObject.Object):
         :param obj: the org.bluez.GattCharacteristic1 DBus proxy object
         '''
         self.obj = obj
-        self.objpath = obj.get_object_path()
-        self.interface = obj.get_interface(ORG_BLUEZ_GATTCHARACTERISTIC1)
-        assert(self.interface is not None)
 
-        self.uuid = self.interface.get_cached_property('UUID').unpack()
+        assert(self.interface is not None)
         assert(self.uuid is not None)
 
         self._property_callbacks = {}
         self.interface.connect('g-properties-changed',
                                self._on_properties_changed)
 
+    @GObject.Property
+    def interface(self):
+        return self.obj.get_interface(ORG_BLUEZ_GATTCHARACTERISTIC1)
+
+    @GObject.Property
+    def objpath(self):
+        return self.obj.get_object_path()
+
+    @GObject.Property
+    def uuid(self):
+        return self.interface.get_cached_property('UUID').unpack()
+
     def connect_property(self, propname, callback):
         '''
         Connect the property with the given name to the callback function
@@ -104,10 +113,9 @@ class BlueZDevice(GObject.Object):
         :param obj: The org.bluez.Device1 DBus proxy object
         '''
         GObject.Object.__init__(self)
-        self.objpath = obj.get_object_path()
         self.obj = obj
         self.om = om
-        self.interface = obj.get_interface(ORG_BLUEZ_DEVICE1)
+
         assert(self.interface is not None)
 
         logger.debug(f'Device {self.objpath} - {self.address} - {self.name}')
@@ -118,6 +126,14 @@ class BlueZDevice(GObject.Object):
         if self.connected:
             self.emit('connected')
 
+    @GObject.Property
+    def objpath(self):
+        return self.obj.get_object_path()
+
+    @GObject.Property
+    def interface(self):
+        return self.obj.get_interface(ORG_BLUEZ_DEVICE1)
+
     @GObject.Property
     def name(self):
         try: