X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/3d1fb545dd1f49e0624d3adf20e5568b1c33d8ec..0966a5718a1735d063c8f99471138c2b1924f2b7:/apps/catalogue/fields.py

diff --git a/apps/catalogue/fields.py b/apps/catalogue/fields.py
index 4de2e7cb6..510c06dac 100644
--- a/apps/catalogue/fields.py
+++ b/apps/catalogue/fields.py
@@ -114,32 +114,28 @@ class JQueryAutoCompleteField(forms.CharField):
 
         super(JQueryAutoCompleteField, self).__init__(*args, **kwargs)
 
-try:
-    # check for south
-    from south.modelsinspector import add_introspection_rules
-
-    add_introspection_rules([
-    (
-        [JSONField], # Class(es) these apply to
-        [], # Positional arguments (not used)
-        {}, # Keyword argument
-    ), ], ["^catalogue\.fields\.JSONField"])
-except ImportError:
-    pass
-
 
 class OverwritingFieldFile(FieldFile):
     """
         Deletes the old file before saving the new one.
     """
 
-    def save(self, *args, **kwargs):
+    def save(self, name, content, *args, **kwargs):
         leave = kwargs.pop('leave', None)
-        if not leave and self:
+        if not leave and self and content is not self:
             self.delete(save=False)
-        return super(OverwritingFieldFile, self).save(*args, **kwargs)
+        return super(OverwritingFieldFile, self).save(name, content, *args, **kwargs)
 
 
 class OverwritingFileField(models.FileField):
     attr_class = OverwritingFieldFile
 
+
+try:
+    # check for south
+    from south.modelsinspector import add_introspection_rules
+
+    add_introspection_rules([], ["^catalogue\.fields\.JSONField"])
+    add_introspection_rules([], ["^catalogue\.fields\.OverwritingFileField"])
+except ImportError:
+    pass