Models - Importers: fix uniqness

1 files changed, 5 insertions, 3 deletions

diff --git a/ishtar_common/models_imports.py b/ishtar_common/models_imports.py
index 26b034522..2a594584e 100644
--- a/ishtar_common/models_imports.py
+++ b/ishtar_common/models_imports.py
@@ -292,18 +292,19 @@ class ImporterDefaultValues(models.Model):
     value = models.CharField(u"Value", max_length=500)
     objects = ImporterDefaultValuesManager()
 
-    def __unicode__(self):
-        return u"{} - {}".format(self.default_target, self.target, self.value)
-
     class Meta:
         verbose_name = _(u"Importer - Default value")
         verbose_name_plural = _(u"Importer - Default values")
+        unique_together = ('default_target', 'target')
 
     def natural_key(self):
         return (self.default_target.importer_type.slug,
                 self.default_target.target,
                 self.target)
 
+    def __unicode__(self):
+        return u"{} - {}".format(self.default_target, self.target, self.value)
+
     def get_value(self):
         parent_model = self.default_target.associated_model
         if not parent_model:
@@ -399,6 +400,7 @@ class ImporterDuplicateField(models.Model):
         verbose_name = _(u"Importer - Duplicate field")
         verbose_name_plural = _(u"Importer - Duplicate fields")
         ordering = ('column', 'field_name')
+        unique_together = ('column', 'field_name')
 
     def natural_key(self):
         return self.column.importer_type, self.column.col_number, \