Fixed #6110 -- Mark the python format serializer as for internal use only. Thanks, empty.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@6922 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/serializers/__init__.py

@@ -53,6 +53,11 @@ def get_serializer_formats():
         _load_serializers()
     return _serializers.keys()
 
+def get_public_serializer_formats():
+    if not _serializers:
+        _load_serializers()
+    return [k for k, v in _serializers.iteritems() if not v.Serializer.internal_use_only]
+
 def get_deserializer(format):
     if not _serializers:
         _load_serializers()

django/core/serializers/base.py

@@ -22,6 +22,10 @@ class Serializer(object):
     Abstract serializer base class.
     """
 
+    # Indicates if the implemented serializer is only available for 
+    # internal Django use.
+    internal_use_only = False
+    
     def serialize(self, queryset, **options):
         """
         Serialize a queryset.

django/core/serializers/json.py

@@ -20,6 +20,8 @@ class Serializer(PythonSerializer):
     """
     Convert a queryset to JSON.
     """
+    internal_use_only = False
+    
     def end_serialization(self):
         self.options.pop('stream', None)
         self.options.pop('fields', None)

django/core/serializers/python.py

@@ -13,7 +13,9 @@ class Serializer(base.Serializer):
     """
     Serializes a QuerySet to basic Python objects.
     """
-
+    
+    internal_use_only = True
+    
     def start_serialization(self):
         self._current = None
         self.objects = []

django/core/serializers/pyyaml.py

@@ -19,6 +19,8 @@ class Serializer(PythonSerializer):
     Convert a queryset to YAML.
     """
     
+    internal_use_only = False
+    
     def handle_field(self, obj, field):
         # A nasty special case: base YAML doesn't support serialization of time
         # types (as opposed to dates or datetimes, which it does support). Since