libsaria: Clean up playlist init

I removed some code that really didn't need to be used.  I also moved
around some of the imports to make the file easier to follow.

libsaria/sources/playlist/__init__.py

@@ -1,16 +1,13 @@
 # Bryan Schumaker (11/07/2010)
 
 import libsaria
-import libsaria.path.files
+from libsaria.sources import library
 import playlist
-
-library = None
-source  = None
-rand    = None
+import random
 
 filtered   = False
 visible    = None
-recent     = None
+recent     = []
 recent_msg = "Skipping %s by %s because it has played recently"
 skip_msg   = "Skipping %s by %s because I don't think you like it"
 cur_index  = None
@@ -21,20 +18,7 @@ rm_ids  = playlist.rm_ids
 load    = playlist.load
 reset   = playlist.reset
 
-def init():
-	global library
-	global rand
-	global source
-
-	from libsaria.sources import library
-	import random as rand
-	source = libsaria.sources.Source()
-	source.get_attrs  = library.get_attrs
-	source.set_attr   = library.set_attr
-	source.get_cur_id = get_cur_id
-
 def init_bg():
-	init()
 	load()
 
 def startup():
@@ -84,7 +68,7 @@ def seq_next():
 	return playlist.song_list[cur_index]
 
 def rand_candidate(list, max):
-	index = rand.randint(0, max-1)
+	index = random.randint(0, max-1)
 	return list[index]
 
 def rand_next():
@@ -141,6 +125,4 @@ def next():
 		recent.append((artist, title))
 		if len(recent) > 50:
 			recent.pop(0)
-		source.set_current()
-		save()
 		return id