import from snapcast and set variables

darkmute.py

 import RPi.GPIO as GPIO
 import time
 import snapcast.control
+from snapcast import get_snapcast_client
+from snapcast import add_server
 
 SENSOR_PIN = 7
+MUTE_BRIGHTNESS = 0.1
+
+
+def dark_mute():
+    '''Runs measure_brightness and prints output'''
+    server = snapcast.control.Snapserver(add_server(),
+                                         snapcast.control.CONTROL_PORT)
+    client = get_snapcast_client(server)
+    GPIO.setmode(GPIO.BOARD)
+    try:
+        while True:
+            #  TODO: track current state, don't send constant updates
+            brightness = measure_brightness(SENSOR_PIN)
+            if brightness < MUTE_BRIGHTNESS:
+                client.muted = True
+            else:
+                client.muted = False
+    except KeyboardInterrupt:
+        pass
+    finally:
+            GPIO.cleanup()
 
 
 def measure_brightness(pin_to_circuit):
@@ -18,18 +41,7 @@ def measure_brightness(pin_to_circuit):
     while (GPIO.input(pin_to_circuit) == GPIO.LOW):
         charge_time += 1
 
-    return 1/charge_time
-
-
-def dark_mute():
-    GPIO.setmode(GPIO.BOARD)
-    try:
-        while True:
-            print(measure_brightness(SENSOR_PIN))
-    except KeyboardInterrupt:
-        pass
-    finally:
-            GPIO.cleanup()
+    return 1000/charge_time
 
 
 if __name__ == '__main__':