From f76aadd1c385022d32cb383ee8a0bf436052c99a 2013-02-10 12:27:59
From: Matthias BUSSONNIER <bussonniermatthias@gmail.com>
Date: 2013-02-10 12:27:59
Subject: [PATCH] share some global config state

---

diff --git a/converters/config.py b/converters/config.py
new file mode 100644
index 0000000..1d0c44f
--- /dev/null
+++ b/converters/config.py
@@ -0,0 +1,20 @@
+from IPython.utils.traitlets import (Unicode, List, Bool)
+from IPython.config.configurable import Configurable
+
+class GlobalConfigurable(Configurable):
+    """Global configurable class for shared config
+
+    Usefull for display data priority that might be use by many trasnformers
+    """
+
+    display_data_priority = List(['html', 'pdf', 'svg', 'latex', 'png', 'jpg', 'jpeg' , 'text'],
+            config=True,
+              help= """
+                    An ordered list of prefered output type, the first
+                    encounterd will usually be used when converting discarding
+                    the others.
+                    """
+            )
+
+    def __init__(self, config=None, **kw):
+        super(GlobalConfigurable, self).__init__( config=config, **kw)
diff --git a/converters/jinja_filters.py b/converters/jinja_filters.py
index 2384721..5671578 100755
--- a/converters/jinja_filters.py
+++ b/converters/jinja_filters.py
@@ -17,6 +17,8 @@ from .utils import remove_ansi
 from .utils import highlight, ansi2html
 from .utils import markdown2latex
 
+from converters.config import GlobalConfigurable
+
 from IPython.config.configurable import Configurable
 from IPython.utils.traitlets import List
 
@@ -24,24 +26,6 @@ from IPython.utils.traitlets import List
 # Class declarations
 #-----------------------------------------------------------------------------
 
-class GlobalConfigurable(Configurable):
-    """Global configurable class for shared config
-
-    Usefull for display data priority that might be use by many trasnformers
-    """
-    
-    display_data_priority = List(['html', 'pdf', 'svg', 'latex', 'png', 'jpg', 'jpeg' , 'text'],
-            config=True,
-              help= """
-                    An ordered list of prefered output type, the first
-                    encounterd will usually be used when converting discarding
-                    the others.
-                    """
-            )
-
-    def __init__(self, config=None, **kw):
-        super(GlobalConfigurable, self).__init__( config=config, **kw)
-
 class ConfigurableFilter(GlobalConfigurable):
     """Configurable Jinja Filter"""
 
diff --git a/converters/template.py b/converters/template.py
index 6920cc0..d8a85b5 100755
--- a/converters/template.py
+++ b/converters/template.py
@@ -42,7 +42,7 @@ from converters.jinja_filters import (python_comment, indent,
         ansi2html, markdown2latex, escape_tex, FilterDataType)
 
 from converters.utils import  markdown2rst
-
+from converters.config import  GlobalConfigurable
 
 
 
diff --git a/converters/transformers.py b/converters/transformers.py
index 2202582..7d65331 100755
--- a/converters/transformers.py
+++ b/converters/transformers.py
@@ -11,7 +11,9 @@ from __future__ import print_function
 from IPython.config.configurable import Configurable
 from IPython.utils.traitlets import Unicode, Bool, Dict, List
 
-class ConfigurableTransformers(Configurable):
+from converters.config import GlobalConfigurable
+
+class ConfigurableTransformers(GlobalConfigurable):
     """ A configurable transformer
 
     Inherit from this class if you wish to have configurability for your
@@ -145,14 +147,6 @@ class ExtractFigureTransformer(ActivatableTransformer):
             Usefull for latex where svg will be converted to pdf before inclusion
             """
             )
-    display_data_priority = List(['html', 'pdf', 'svg', 'latex', 'png', 'jpg', 'jpeg' , 'text'],
-            config=True,
-              help= """
-                    An ordered list of prefered output type, the first
-                    encounterd will usually be used when converting discarding
-                    the others.
-                    """
-            )
 
     key_format_map =  Dict({},
             config=True,
diff --git a/nbconvert2.py b/nbconvert2.py
index 5a15aa3..6bb0da5 100755
--- a/nbconvert2.py
+++ b/nbconvert2.py
@@ -30,7 +30,7 @@ from IPython.utils.traitlets import Unicode, Bool
 
 from converters.transformers import (ExtractFigureTransformer)
 
-from converters.jinja_filters import GlobalConfigurable
+from converters.config import GlobalConfigurable
 
 
 class NbconvertApp(Application):