Merge pull request #1792 from netflash/fix/b1-light-bugs

fix: XLightB1 (UIID22) crashes on partial cloud updates and None brightness/color_temp

Author: AlexxIT

custom_components/sonoff/light.py

@@ -262,29 +262,31 @@ def set_state(self, params: dict):
                 self._attr_effect = None
 
         if self.color_mode == ColorMode.COLOR_TEMP:
-            # from 25 to 255
-            cold = int(params["channel0"])
-            warm = int(params["channel1"])
-            if warm == 0:
-                self._attr_color_temp_kelvin = 6500
-            elif cold == warm:
-                self._attr_color_temp_kelvin = 4250
-            elif cold == 0:
-                self._attr_color_temp_kelvin = 2000
-            self._attr_brightness = conv(max(cold, warm), 25, 255, 1, 255)
+            if "channel0" in params and "channel1" in params:
+                # from 25 to 255
+                cold = int(params["channel0"])
+                warm = int(params["channel1"])
+                if warm == 0:
+                    self._attr_color_temp_kelvin = 6500
+                elif cold == warm:
+                    self._attr_color_temp_kelvin = 4250
+                elif cold == 0:
+                    self._attr_color_temp_kelvin = 2000
+                self._attr_brightness = conv(max(cold, warm), 25, 255, 1, 255)
 
         else:
-            self._attr_rgb_color = (
-                int(params["channel2"]),
-                int(params["channel3"]),
-                int(params["channel4"]),
-            )
+            if "channel2" in params and "channel3" in params and "channel4" in params:
+                self._attr_rgb_color = (
+                    int(params["channel2"]),
+                    int(params["channel3"]),
+                    int(params["channel4"]),
+                )
 
     def get_params(self, brightness, color_temp_kelvin, rgb_color, effect) -> dict:
         if brightness or color_temp_kelvin:
-            ch = str(conv(brightness or self.brightness, 1, 255, 25, 255))
+            ch = str(conv(brightness or self.brightness or 255, 1, 255, 25, 255))
             if not color_temp_kelvin:
-                color_temp_kelvin = self.color_temp_kelvin
+                color_temp_kelvin = self.color_temp_kelvin or 4250
             if color_temp_kelvin >= 5000:
                 params = {"channel0": ch, "channel1": "0"}
             elif color_temp_kelvin >= 3500: