Added crude double-import detection to search registration. Added Django 1.2 fallback...

[philo.git] / models / fields / __init__.py

diff --git a/models/fields/__init__.py b/models/fields/__init__.py
index 25af832..d900e31 100644 (file)
--- a/models/fields/__init__.py
+++ b/models/fields/__init__.py
@@ -51,8 +51,16 @@ class JSONField(models.TextField):
                models.signals.pre_init.connect(self.fix_init_kwarg, sender=cls)
        
        def fix_init_kwarg(self, sender, args, kwargs, **signal_kwargs):
+               # Anything passed in as self.name is assumed to come from a serializer and
+               # will be treated as a json string.
                if self.name in kwargs:
-                       kwargs[self.attname] = json.dumps(kwargs.pop(self.name))
+                       value = kwargs.pop(self.name)
+                       
+                       # Hack to handle the xml serializer's handling of "null"
+                       if value is None:
+                               value = 'null'
+                       
+                       kwargs[self.attname] = value
        
        def formfield(self, *args, **kwargs):
                kwargs["form_class"] = JSONFormField
@@ -101,7 +109,8 @@ class SlugMultipleChoiceField(models.Field):
                                del kwargs[k]
                
                defaults.update(kwargs)
-               form_class = forms.TypedMultipleChoiceField
+               # Django 1.2 does not supply MultipleChoiceField
+               form_class = getattr(forms, 'TypedMultipleChoiceField', forms.MultipleChoiceField)
                return form_class(**defaults)
        
        def validate(self, value, model_instance):