restore globalconfigurable

nbconvert.py

@@ -31,6 +31,7 b' from IPython.utils.traitlets import (Bool)'
 from nbconvert.exporters.export import export_by_name
 from nbconvert.exporters.exporter import Exporter
 from nbconvert.transformers import extractfigure
+from nbconvert.utils.config import GlobalConfigurable
 
 #-----------------------------------------------------------------------------
 #Globals and constants
@@ -93,6 +94,7 b' class NbConvertApp(Application):'
 
         #Register class here to have help with help all
         self.classes.insert(0, Exporter)
+        self.classes.insert(0, GlobalConfigurable)
 
 
     def start(self, argv=None):

nbconvert/filters/datatypefilter.py

@@ -17,7 +17,9 b' GlobalConfigurable.display_data_priority'
 # Classes and functions
 #-----------------------------------------------------------------------------
 
-class DataTypeFilter(object):
+from ..utils.config import GlobalConfigurable
+
+class DataTypeFilter(GlobalConfigurable):
     """ Returns the preferred display format """
 
     display_data_priority = ['html', 'pdf', 'svg', 'latex', 'png', 'jpg', 'jpeg' , 'text']
@@ -28,4 +30,4 b' class DataTypeFilter(object):'
         for fmt in self.display_data_priority:
             if fmt in output:
                 return [fmt]
-        return []
  No newline at end of file
+        return []

nbconvert/transformers/base.py

@@ -19,12 +19,13 b' It exposes a convenient class to inherit from to access configurability.'
 from __future__ import print_function, absolute_import
 
 from IPython.config.configurable import Configurable
+from ..utils.config import GlobalConfigurable
 
 #-----------------------------------------------------------------------------
 # Classes and Functions
 #-----------------------------------------------------------------------------
 
-class ConfigurableTransformer(Configurable):
+class ConfigurableTransformer(GlobalConfigurable):
     """ A configurable transformer
 
     Inherit from this class if you wish to have configurability for your