Added hooke.util.yaml fixing YAML/NumPy type issues (by dropping data).

[hooke.git] / hooke / playlist.py

diff --git a/hooke/playlist.py b/hooke/playlist.py
index 9ee31259f780e633eb0a25afc0148bd46a244901..3380bfcacfc4ca24a02f4ee49e11c89370fa9cd0 100644 (file)
--- a/hooke/playlist.py
+++ b/hooke/playlist.py
@@ -103,10 +103,10 @@ class NoteIndexList (list):
                 continue
             try:
                 yaml.dump((k,v))
-            except (TypeError, RepresenterError), e:
+            except RepresenterError, e:
                 raise NotImplementedError(
-                    'cannot convert %s.%s = %s (%s) to YAML'
-                    % (owner.__class__.__name__, k, v, type(v)))
+                    'cannot convert %s.%s = %s (%s) to YAML\n%s'
+                    % (owner.__class__.__name__, k, v, type(v), e))
 
     def _setup_item(self, item):
         """Perform any required initialization before returning an item.
@@ -197,10 +197,9 @@ class Playlist (NoteIndexList):
         self._ignored_attrs.extend([
                 '_item_ignored_attrs', '_item_default_attrs',
                 '_loaded'])
-        self._item_ignored_attrs = []
+        self._item_ignored_attrs = ['data']
         self._item_default_attrs = {
             'command_stack': [],
-            'data': None,
             'driver': None,
             'info': {},
             'name': None,