Fix chromecasts to work with new version of pychromecast; rename

[python_utils.git] / smart_home / chromecasts.py

diff --git a/smart_home/chromecasts.py b/smart_home/chromecasts.py
index 08290e538262a1d2a56646f769d3e82e69798334..5e11ac011212e87d9f251cb4743d2fdf6698888a 100644 (file)
--- a/smart_home/chromecasts.py
+++ b/smart_home/chromecasts.py
@@ -2,6 +2,8 @@
 
 """Utilities for dealing with the webcams."""
 
+import atexit
+import datetime
 import logging
 import time
 
@@ -14,12 +16,32 @@ logger = logging.getLogger(__name__)
 
 
 class BaseChromecast(dev.Device):
+    ccasts = []
+    refresh_ts = None
+    browser = None
+
     def __init__(self, name: str, mac: str, keywords: str = "") -> None:
         super().__init__(name.strip(), mac.strip(), keywords)
         ip = self.get_ip()
-        self.cast = pychromecast.Chromecast(ip)
-        self.cast.wait()
-        time.sleep(0.1)
+        now = datetime.datetime.now()
+        if (
+                BaseChromecast.refresh_ts is None
+                or (now - BaseChromecast.refresh_ts).total_seconds() > 60
+        ):
+            logger.debug('Refreshing the shared chromecast info list')
+            BaseChromecast.ccasts, BaseChromecast.browser = pychromecast.get_chromecasts()
+            atexit.register(BaseChromecast.browser.stop_discovery)
+            BaseChromecast.refresh_ts = now
+
+        self.cast = None
+        for cc in BaseChromecast.ccasts:
+            if cc.cast_info.host == ip:
+                logger.debug(f'Found chromecast at {ip}: {cc}')
+                self.cast = cc
+                self.cast.wait()
+                time.sleep(0.1)
+        if self.cast is None:
+            raise Exception(f'Can\'t find ccast device at {ip}, is that really a ccast device?')
 
     def is_idle(self):
         return self.cast.is_idle
@@ -84,5 +106,6 @@ class BaseChromecast(dev.Device):
     def __repr__(self):
         return (
             f"Chromecast({self.cast.socket_client.host!r}, port={self.cast.socket_client.port!r}, "
-            f"device={self.cast.device!r})"
+            f"device={self.cast.cast_info.friendly_name!r})"
         )
+