improved animation selection logic, added support for subdirs and symlinks in animation directory

utils/miniplayer.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 import threading
 import os
@@ -55,6 +55,8 @@ class MiniPlayer(object):
         self.maxPlayNext = 3
         self.__playNext = []
         self.__running = False
+        self.__anims = {}
+        self.__anims_remaining = {}
 
     def terminate(self):
         self.__running = False
@@ -79,10 +81,16 @@ class MiniPlayer(object):
         """
 
         if len(self.__playNext) > 0 and os.path.isfile(self.__playNext[0]):
-            return self.__playNext.pop(0)
+            anim = self.__playNext.pop(0)
         else:
-            files = os.listdir(self.__animDir)
-            return random.choice(files)
+            anims = { os.path.join(dp, fn) for dp, dns, fns in \
+                      os.walk(self.__animDir, followlinks=True) for fn in fns }
+            if anims != self.__anims or len(self.__anims_remaining) == 0:
+                self.__anims = anims
+                self.__anims_remaining = set(anims)
+            anim = random.sample(self.__anims_remaining, 1)[0]
+            self.__anims_remaining.remove(anim)
+        return anim
 
     def run(self):
         """