Make updates more resilient

buba/animations/dbf.py

@@ -16,6 +16,7 @@ from buba.bubacmd import BubaCmd
 class DBFAnimation(BubaAnimation):
     def __init__(self, buba: BubaCmd, ds100="AHST", station="Holstenstraße", count=3):
         super().__init__(buba)
+        self.dbi = DBInfoscreen("trains.xatlabs.com")
         self.ds100 = ds100
         self.station = station
         self.trains = []
@@ -26,14 +27,16 @@ class DBFAnimation(BubaAnimation):
         return f"<{type(self).__name__}, {self.ds100}>"
 
     def fetch(self):
-        dbi = DBInfoscreen("trains.xatlabs.com")
-        trains = dbi.calc_real_times(dbi.get_trains(self.ds100))  # Station
-        trains = [t for t in trains]  # if t['platform'] == "1"]  # platform gleis
-        trains.sort(key=dbi.time_sort)
+        trains = self.dbi.calc_real_times(self.dbi.get_trains(self.ds100))  # Station
+        # trains = [t for t in trains]  # if t['platform'] == "1"]  # platform gleis
+        trains.sort(key=self.dbi.time_sort)
         self.trains = trains
 
     def update(self):
+        try:
             self.fetch()
+        except Exception:
+            pass
         sleep(60)
 
     @staticmethod
@@ -65,9 +68,6 @@ class DBFAnimation(BubaAnimation):
         # Recalculate the timedelta
         return BubaAnimation.countdown(datetime.datetime.combine(dep_date, dep_time))
 
-    #        dep_td = datetime.datetime.combine(dep_date, dep_time) - now
-    #        return round(dep_td.total_seconds() / 60)
-
     @staticmethod
     def short_station(station: str) -> str:
         station = station.strip()