X-Git-Url: https://code.delx.au/notipod/blobdiff_plain/514695a547551ae24dcfd9e511f0401acf93627d..HEAD:/libnotipod.py

diff --git a/libnotipod.py b/libnotipod.py
index fdf22ee..2053b74 100644
--- a/libnotipod.py
+++ b/libnotipod.py
@@ -39,10 +39,13 @@ class Playlist(NSObject):
 			parent.children.append(self)
 
 class ITunesLibrary(NSObject):
-	def load_(self, filename):
+	def load_(self, filename=None):
 		if filename is None:
-			filename = "~/Music/iTunes/iTunes Music Library.xml"
-		filename = os.path.expanduser(filename)
+			filename = getattr(self, "filename", None)
+		if filename is None:
+			filename = os.path.expanduser("~/Music/iTunes/iTunes Music Library.xml")
+		self.filename = filename
+		self.mtime = os.stat(filename).st_mtime
 		yield "Reading library..."
 		plist = read_plist(os.path.expanduser(filename))
 		if plist is None:
@@ -61,6 +64,9 @@ class ITunesLibrary(NSObject):
 			self.playlists.append(playlist)
 			pl_lookup[playlist.pid] = playlist
 
+	def needs_reload(self):
+		return os.stat(self.filename).st_mtime > self.mtime
+
 	def loc2name(self, location):
 		return urllib.splithost(urllib.splittype(urllib.unquote(location))[1])[1]
 
@@ -184,18 +190,44 @@ def mkdirhier(path):
 		except OSError:
 			pass
 
-def export_m3u(dry_run, dest, path_prefix, playlist_name, files):
-	if dry_run:
+def delete_playlists(dry_run, dest):
+	dest = os.path.join(dest, "-Playlists-")
+	try:
+		filenames = os.listdir(dest)
+	except OSError:
 		return
-	if not path_prefix:
-		path_prefix = "../"
-	playlist_file = os.path.join(dest, "-Playlists-", playlist_name) + ".m3u"
+
+	for filename in filenames:
+		if not filename.lower().endswith(".m3u"):
+			continue
+		filename = os.path.join(dest, filename)
+		logging.info("Deleting: " + filename)
+		if not dry_run:
+			try:
+				os.unlink(filename)
+			except OSError:
+				pass
+
+def export_m3u(dry_run, dest, path_prefix, playlist_name, files):
+	dest = os.path.join(dest, "-Playlists-")
+	mkdirhier(dest)
+	playlist_name = playlist_name.replace("/", "-")
+	playlist_file = os.path.join(dest, playlist_name) + ".m3u"
 	playlist_file = encode_filename(playlist_file)
-	mkdirhier(os.path.dirname(playlist_file))
 	logging.info("Writing: " + playlist_file)
+
+	if dry_run:
+		return
+
+	sep = "/"
+	if path_prefix.find("\\") > 0:
+		sep = "\\"
+	if path_prefix[-1] != sep:
+		path_prefix += sep
+
 	f = open(playlist_file, "w")
 	for filename in files:
-		if path_prefix.find("\\") > 0:
+		if sep == "\\":
 			filename = filename.replace("/", "\\")
 		filename = encode_filename(filename)
 		f.write("%s%s\n" % (path_prefix, filename))