Don't let chromecasts steal the thread for too long.

diff --git a/smart_home/chromecasts.py b/smart_home/chromecasts.py
index 5e11ac011212e87d9f251cb4743d2fdf6698888a..7480cecc36826932ba90d69ecc83f70cf1a43a97 100644 (file)
--- a/smart_home/chromecasts.py
+++ b/smart_home/chromecasts.py
@@ -5,7 +5,6 @@
 import atexit
 import datetime
 import logging
-import time
 
 import pychromecast
 
@@ -29,7 +28,11 @@ class BaseChromecast(dev.Device):
                 or (now - BaseChromecast.refresh_ts).total_seconds() > 60
         ):
             logger.debug('Refreshing the shared chromecast info list')
-            BaseChromecast.ccasts, BaseChromecast.browser = pychromecast.get_chromecasts()
+            if BaseChromecast.browser is not None:
+                BaseChromecast.browser.stop_discovery()
+            BaseChromecast.ccasts, BaseChromecast.browser = pychromecast.get_chromecasts(
+                timeout=10.0
+            )
             atexit.register(BaseChromecast.browser.stop_discovery)
             BaseChromecast.refresh_ts = now
 
@@ -38,8 +41,7 @@ class BaseChromecast(dev.Device):
             if cc.cast_info.host == ip:
                 logger.debug(f'Found chromecast at {ip}: {cc}')
                 self.cast = cc
-                self.cast.wait()
-                time.sleep(0.1)
+                self.cast.wait(timeout=1.0)
         if self.cast is None:
             raise Exception(f'Can\'t find ccast device at {ip}, is that really a ccast device?')