CC-2016: Rearrange python scripts for reusability

-moved files

python_apps/pypo/scripts/old_files/include_scheduler.liq

@@ -0,0 +1,78 @@
+
+#########################################
+# A/B queue-setup Scheduler
+#########################################
+
+# a/b queue setup
+scheduler_q0 = request.queue(conservative=true,length=600.,id="scheduler_q0")
+scheduler_q1 = request.queue(conservative=true,length=600.,id="scheduler_q1")
+
+scheduler_q0 = audio_to_stereo(scheduler_q0)
+scheduler_q1 = audio_to_stereo(scheduler_q1)
+
+scheduler_active = ref 0
+scheduler_queue = ref 1
+scheduler_q0_enabled = ref false
+scheduler_q1_enabled = ref false
+
+# push function, enqueues file in inactive queue (does not start automatically)
+def scheduler_push(s)
+  list.hd(server.execute("scheduler_q#{!scheduler_queue}.push #{s}"))
+  print('push to #{!scheduler_queue} - #{s}')
+  "Done"
+end
+
+
+# flips the queues
+def scheduler_flip()
+
+  # set a/b-queue corresponding to active, see fallback below
+  if !scheduler_active==1 then scheduler_q0_enabled:=true else scheduler_q0_enabled:=false end
+  if !scheduler_active==0 then scheduler_q1_enabled:=true else scheduler_q1_enabled:=false end
+
+  # get playing (active) queue and flush it  
+  l = list.hd(server.execute("scheduler_q#{!scheduler_active}.queue"))
+  l = string.split(separator=" ",l)
+  list.iter(fun (rid) -> ignore(server.execute("scheduler_q#{!scheduler_active}.ignore #{rid}")), l)
+  
+  # skip the playing item
+  source.skip(if !scheduler_active==0 then scheduler_q0 else scheduler_q1 end)
+
+  # flip variables
+  scheduler_active := 1-!scheduler_active
+  scheduler_queue := 1-!scheduler_active
+
+
+  "Done"
+end
+
+
+# print status
+def scheduler_status()
+  print('scheduler_active: #{!scheduler_active}')
+  print('scheduler_queue : #{!scheduler_queue}')
+  print('pypo_data: #{!pypo_data}')
+
+  #print('user_id: #{!user_id}')
+  #print('playlist_id: #{!playlist_id}')
+  #print('transmission_id: #{!transmission_id}')  
+  #print('playlist_type: #{!playlist_type}')  
+  
+  "Done"
+end
+
+# register for telnet access
+server.register(namespace="scheduler","push", scheduler_push)
+server.register(namespace="scheduler","flip", fun (_) -> scheduler_flip())
+server.register(namespace="scheduler","status", fun (_) -> scheduler_status())
+
+
+# activate / deactivate queues, needed for fallback to work
+scheduler_q0 = switch(track_sensitive=true, [({!scheduler_q0_enabled},scheduler_q0)])
+scheduler_q1 = switch(track_sensitive=true, [({!scheduler_q1_enabled},scheduler_q1)])
+scheduler_q_holder = fallback(track_sensitive=true, [scheduler_q0, scheduler_q1])
+
+
+# finally the resulting scheduler source
+scheduler = fallback(track_sensitive=false, [scheduler_q_holder, default])
+