use a simple loop to load all glyphs during a save as

Lib/defcon/objects/layer.py

@@ -1,5 +1,4 @@
 from __future__ import absolute_import
-import collections
 import os
 import weakref
 from fontTools.misc.arrayTools import unionRect, calcBounds
@@ -10,9 +9,6 @@
 from defcon.objects.uniData import UnicodeData
 from defcon.objects.color import Color
 
-def _consume(iterator):
- collections.deque(iterator, maxlen=0)
-
 
 class Layer(BaseObject):
 
@@ -607,7 +603,8 @@ def save(self, glyphSet, saveAs=False, progressBar=None):
  # and treat them as dirty in saveGlyph. this could be more
  # efficiently handled by os.copy...
  if saveAs:
- _consume(self)
+ for glyph in self:
+ pass
  for glyphName, glyph in sorted(self._glyphs.items()):
  self.saveGlyph(glyph, glyphSet, saveAs=saveAs)
  # remove deleted glyphs

Lib/defcon/tools/notifications.py

@@ -137,7 +137,8 @@ def postNotification(self, notification, observable, data=None):
  return
  if key in self._holds:
  n = (notification, observableRef, data)
- if not self._holds[key]["notifications"] or self._holds[key]["notifications"][-1] != n:
+ #if not self._holds[key]["notifications"] or self._holds[key]["notifications"][-1] != n:
+ if n not in self._holds[key]["notifications"]:
  self._holds[key]["notifications"].append(n)
  return
  # posting
@@ -150,7 +151,7 @@ def postNotification(self, notification, observable, data=None):
  (None, observableRef),
  (None, None)
  )
- for key in registryPossibilities:
+ for key in reversed(registryPossibilities):
  if key not in self._registry:
  continue
  for observerRef, methodName in list(self._registry[key].items()):