Adding repeat alarm

Note: does not work when HTTP stream fails since playsound blocks when stream fails

clock.py

@@ -50,10 +50,17 @@ Position = collections.namedtuple('Position', 'x y')
 global sound_process
 sound_process = None
 
-def play_sound(source):
+def play_sound(sound_source, backup_sound_source):
+    failures = 0
+
+    source = sound_source
     while True:
-        print("beep beep!")
+        print("beep beep! " + source)
         playsound(source)
+        if source.startswith(("http://", "https://")) and failures < 3:
+            failures += 1
+        if failures >= 3:
+            source = backup_sound_source
 
 class MyClockWidget(FloatLayout):
     set_alarm_mode = False
@@ -66,8 +73,8 @@ class MyClockWidget(FloatLayout):
     alarm_modified = False
     seconds_to_next_alarm = False
     led_color = [0, 0, 0]
-    # sound_source = "https://icecast.omroep.nl/radio1-bb-mp3"
-    sound_source = "Woodpecker Chirps - QuickSounds.com.mp3"
+    sound_source = "https://icecast.omroep.nl/radio1-bb-mp3"
+    backup_sound_source = "Woodpecker Chirps - QuickSounds.com.mp3"
 
     def draw_face(self):
         """
@@ -167,7 +174,7 @@ class MyClockWidget(FloatLayout):
             return
 
         if self.seconds_to_next_alarm < 0.1 and sound_process is None:
-            sound_process = Process(target=play_sound, args=(self.sound_source,))
+            sound_process = Process(target=play_sound, args=(self.sound_source, self.backup_sound_source,))
             sound_process.start()
 
     def calc_seconds_to_next_alarm(self):