libsaria: Fix library updating

I need to reindex and rebuild the tree on each update.  I also need to
notify the front-end that things have changed.

libsaria/sources/__init__.py

@@ -71,7 +71,6 @@ def make_library(path):
 		return
 	library.add_path(path)
 	library.update_lib()
-	libsaria.callbacks.library_updated()
 
 def play_id(id):
 	global cur_id

libsaria/sources/library/__init__.py

@@ -1,5 +1,6 @@
 # Bryan Schumaker (5 / 20 / 2011)
 
+import libsaria
 import library
 import update
 import tree
@@ -20,6 +21,8 @@ index.reindex()
 def update_lib():
 	update.update()
 	tree.make_tree()
+	index.reindex()
+	libsaria.callbacks.library_updated()
 
 def reset():
 	library.reset()

libsaria/sources/library/index.py

@@ -23,6 +23,12 @@ for t in (splitt, lowert):
 	for c in t:
 		ttable[c] = t[c]
 
+def reset():
+	global lib_index
+	global all_ids
+	lib_index = dict()
+	all_ids   = set()
+
 def format(text):
 	return text.translate(ttable).split()
 
@@ -42,6 +48,7 @@ def add_tracks(tracks):
 
 def reindex():
 	global matching
+	reset()
 	for src, tracks in library.lib_dict.iteritems():
 		add_tracks(tracks)
 	matching = all_ids

libsaria/sources/library/tree.py

@@ -38,7 +38,7 @@ class Tree(dict):
 			child.insert(path[1:])
 
 
-lib_tree = Tree()
+lib_tree = None
 
 def list_ids():
 	for id in lib_tree.walk():
@@ -51,5 +51,7 @@ def add_tracks(tracks):
 		lib_tree.insert([artist, album, track.track, id])
 
 def make_tree():
+	global lib_tree
+	lib_tree = Tree()
 	for src, tracks in library.lib_dict.iteritems():
 		add_tracks(tracks)

libsaria/sources/library/update.py

@@ -15,7 +15,6 @@ def song_id(path):
 	return stat(path).st_ino
 
 def scan_path(path):
-	print "Scanning path:", path
 	file_map = dict()
 	for root, dir, files in walk(path):
 		for file in files:
@@ -48,6 +47,8 @@ def update_path(path, tracks):
 def update():
 	library.lock_library()
 	for path, lib in library.lib_dict.iteritems():
+		print "Updating path:", path
 		update_path(path, lib)
+		print "Done!"
 	library.save()
 	library.unlock_library()