New playlist module

The playlist should be a standalone module rather than inheriting from
the same base class as the library.

libsaria/collection/__init__.py

@@ -15,7 +15,8 @@ QUEUE    = 2
 
 import lens
 import library
-playlist = lens.Playlist()
+import playlist
+#playlist = lens.Playlist()
 
 file_to_id = library.file_to_id
 play_id    = library.play_id
@@ -44,41 +45,15 @@ def lib_get_cur_id():
 	global cur_lib_id
 	return cur_lib_id
 
-def walk_plist():
-	global playlist
-	global library
-	get_attr = library.get_attr
-	for id in playlist.walk_ids():
-		yield [get_attr(id, "artist"), get_attr(id, "album"),
-			get_attr(id, "title"), id, get_attr(id, "year"),
-			get_attr(id, "lenstr")]
-
-def plist_save():
-	global playlist
-	playlist.save()
-
-def plist_add_libid(lib_id):
-	global playlist
-	# Hey, Future Bryan.  I really want to use a lib_get_attrs() function
-	# to return a list of attributes.  Can you do that for me, please?
-	#		Thank you, Past Bryan
-	artist = library.get_attr(lib_id, "artist")
-	album  = library.get_attr(lib_id, "album")
-	title  = library.get_attr(lib_id, "title")
-	playlist.insert_tags(artist, album, title, lib_id)
-
 def plist_is_visible(id):
-	global playlist
-	return playlist.is_visible(id)
+	return True
+	#global playlist
+	#return playlist.is_visible(id)
 
 def plist_filter(text):
-	global playlist
-	return playlist.filter(text)
-
-def plist_reset():
-	global playlist
-	playlist.reset()
-	playlist.save()
+	return True
+	#global playlist
+	#return playlist.filter(text)
 
 def plist_refresh():
 	return call("PLISTREFRESH")

libsaria/collection/playlist.py

@@ -0,0 +1,36 @@
+# Bryan Schumaker (11/07/2010)
+
+import libsaria
+
+song_list = None
+song_set  = None
+
+def add_id(id):
+	global song_list
+	global song_set
+	song_list.append(id)
+	song_set.add(id)
+
+def reset():
+	global song_list
+	global song_set
+	song_list = []
+	song_set  = set()
+
+def load():
+	global song_list
+	global song_set
+	song_list = libsaria.data.load("playlist", ".list")
+	if song_list == None:
+		reset()
+		return
+	song_set = set(song_list)
+load()
+
+def save():
+	libsaria.data.save(song_list, "playlist", ".list")
+
+def walk():
+	global song_list
+	for id in song_list:
+		yield id

ocarina/collection.py

@@ -6,7 +6,8 @@ import menu
 
 libsaria = ocarina.libsaria
 from libsaria import collection
-library = collection.library
+library  = collection.library
+playlist = collection.playlist
 
 event = ocarina.libsaria.event
 gtk   = ocarina.gtk
@@ -46,6 +47,21 @@ class Collection(gtk.ScrolledWindow):
 			ins_next += 1
 		self.list.thaw()
 
+	def populate2(self, func):
+		self.list.freeze()
+		insert   = self.list.list.insert
+		getattr  = library.get_attr
+		ins_next = 0
+		for id in func():
+			title  = getattr(id, "title")
+			length = getattr(id, "lenstr")
+			artist = getattr(id, "artist")
+			album  = getattr(id, "album")
+			year   = getattr(id, "year")
+			insert(ins_next, [id, title, length, artist, album, year, ""])
+			ins_next += 1
+		self.list.thaw()
+
 	def on_mouse_motion(self, widget, pos):
 		list = self.list
 		x,y = list.convert_bin_window_to_widget_coords(int(pos.x), int(pos.y))
@@ -60,8 +76,8 @@ class Collection(gtk.ScrolledWindow):
 					"Played: %s Score: %s" % items)
 
 	def add_selected_to_playlist(self, *args):
-		self.list.for_each_selected(collection.plist_add_libid)
-		collection.plist_save()
+		self.list.for_each_selected(playlist.add_id)
+		playlist.save()
 		collection.plist_refresh()
 
 
@@ -128,13 +144,15 @@ class Playlist(Collection):
 		self.populate()
 
 	def reset(self):
-		collection.plist_reset()
+		playlist.reset()
+		playlist.save()
 		self.clear()
 
 	def populate(self):
 		#import datetime
 		#before = datetime.datetime.now()
-		Collection.populate(self, collection.walk_plist)
+		#Collection.populate(self, collection.walk_plist)
+		Collection.populate2(self, playlist.walk)
 		#after = datetime.datetime.now()
 		#print "Populating took: %s" % (after - before)