Modified backup code

The backup code needed to be modified so that it works with Ocarina 4.1.
This involved writing a function to walk library ids, and using the
lib_get_attr function from the collection.

libsaria/backup.py

@@ -1,12 +1,12 @@
 # Bryan Schumaker (11/12/2010)
 
+import libsaria
 from libsaria import path
-from libsaria.collection import library
 import xm as xml
 
 add_child = xml.add_child
 add_text  = xml.add_text
-get_attrs = library.get_attrs
+get_attr  = libsaria.collection.lib_get_attr
 lib_file  = path.join(path.saria_dir(), "library.xml")
 
 def encode_attr(doc, node, attr, value):
@@ -16,11 +16,15 @@ def encode_attr(doc, node, attr, value):
 
 def encode_track(doc, node, id):
 	child = add_child(doc, node, "track")
-	(artist, album, title, filepath, score, count, genre, track, year, rate,
-		channel, seconds, sample, lenstr) = get_attrs(
-			id, "artist", "album", "title", "filepath", "score",
-			"count", "genre", "track", "year", "rate", "channel",
-			"seconds", "sample", "lenstr")
+
+	artist   = get_attr(id, "artist")
+	album    = get_attr(id, "album")
+	title    = get_attr(id, "title")
+	count    = get_attr(id, "playcount")
+	year     = get_attr(id, "year")
+	lenstr   = get_attr(id, "lenstr")
+	score    = get_attr(id, "score")
+	filepath = get_attr(id, "filepath")
 
 	encode_attr(doc, child, "id", id)
 	encode_attr(doc, child, "artist", artist)
@@ -29,20 +33,14 @@ def encode_track(doc, node, id):
 	encode_attr(doc, child, "filepath", filepath)
 	encode_attr(doc, child, "score", score)
 	encode_attr(doc, child, "count", count)
-	encode_attr(doc, child, "genre", genre)
-	encode_attr(doc, child, "track", track)
 	encode_attr(doc, child, "year", year)
-	encode_attr(doc, child, "rate", rate)
-	encode_attr(doc, child, "channel", channel)
-	encode_attr(doc, child, "seconds", seconds)
-	encode_attr(doc, child, "sample", sample)
 	encode_attr(doc, child, "lenstr", lenstr)
 
 
 def backup():
 	doc = xml.new()
 	child = add_child(doc, doc, "library")
-	for id in library.walk():
+	for id in libsaria.collection.lib_walk_ids():
 		encode_track(doc, child, id)
 
 	fout = open(lib_file, 'w')

libsaria/collection/__init__.py

@@ -38,6 +38,11 @@ def walk_library():
 	for track in library.walk_tags():
 		yield track
 
+def lib_walk_ids():
+	global library
+	for id in library.walk_ids():
+		yield id
+
 def lib_reset():
 	global library
 	library.reset()

ocarina/info.py

@@ -44,6 +44,7 @@ class FilterBar(Bar):
 		self.pack(entry.FilterEntry(), True, True)
 		self.pack(button.OpenButton())
 		self.pack(button.ClearButton())
+		self.pack(button.ExportButton())
 		self.pack(button.RandomButton())
 		self.pack(button.VolumeButton())