From 394d96f752268804bc6165f6e6b06bae36d44e72 Mon Sep 17 00:00:00 2001
From: Adrian Sampson <adrian@radbox.org>
Date: Sun, 7 Apr 2013 11:26:33 -0700
Subject: [PATCH] mediafile: delete() works with ASF (#244)

---
 beets/mediafile.py | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/beets/mediafile.py b/beets/mediafile.py
index 893775efe..3bb3d3416 100644
--- a/beets/mediafile.py
+++ b/beets/mediafile.py
@@ -904,8 +904,15 @@ class MediaFile(object):
         self.mgfile.save()
 
     def delete(self):
-        """Removes current metadata information associated with the path/file."""
-        self.mgfile.delete()
+        """Remove the current metadata tag from the file.
+        """
+        try:
+            self.mgfile.delete()
+        except NotImplementedError:
+            # For Mutagen types that don't support deletion (notably,
+            # ASF), just delete each tag individually.
+            for tag in self.mgfile.keys():
+                del self.mgfile[tag]
 
 
     # Field definitions.