camera test

src/components/neo_pixels.py

@@ -1,7 +1,7 @@
 import sys
 import traceback
 
-from PyQt5.QtCore import QThread
+from PyQt5.QtCore import QThread, pyqtSignal
 
 if "--sim-serial" in sys.argv:
     from components.dummies.serial import serial
@@ -16,9 +16,12 @@ C_UINT32_MAX = c_uint32(-1).value
 
 
 class NeoPixels(Component):
+    request = pyqtSignal(object)
+
     def __init__(self, config=None, name=None):
         self.conn = None
         super().__init__(config=config, name=name, threaded=False)
+        self.set_requestors({"self": self.request})
 
     def config_changed(self):
         self.port = self.config[self.name]["port"]
@@ -47,10 +50,14 @@ class NeoPixels(Component):
         self.set_all_pixel_color("#000000")
 
     @Component.reconfig_on_error
-    def set(self, pixel, color):
-        if type(pixel) is not int or pixel < 0 or pixel > C_UINT32_MAX:
+    def _set(self, data=None):
+        if not isinstance(data, dict):
+            raise ValueError(f"bad call data: {data!r}")
+        pixel = data.get("pixel", None)
+        color = data.get("color", None)
+        if not isinstance(pixel, int) or pixel < 0 or pixel > C_UINT32_MAX:
             raise ValueError(f"the pixel parameter must be a int between 0 and {C_UINT32_MAX} (broadcast)")
-        if not color.startswith("#") or len(color) != 7:
+        if not isinstance(color, str) or not color.startswith("#") or len(color) != 7:
             raise ValueError("the color parameter must be in the html hex format: '#RRGGBB'")
         try:
             self.conn.write(int.to_bytes(pixel, length=4, byteorder="big") + bytes.fromhex(color[1:7]) + b"\n")
@@ -60,6 +67,9 @@ class NeoPixels(Component):
         except serial.serialutil.SerialException:
             self.log.exception(traceback.format_exc())
 
+    def set(self, pixel, color):
+        self.request.emit({"pixel": pixel, "color": color})
+
     def set_pixel_color(self, pixel, color):
         self.set(pixel, color)