Imports: prevent overload of descriptions.

1 files changed, 7 insertions, 4 deletions

diff --git a/chimere/utils.py b/chimere/utils.py
index c7126f9..d1ea851 100644
--- a/chimere/utils.py
+++ b/chimere/utils.py
@@ -76,11 +76,9 @@ class ImportManager(object):
         import_key = unicode(import_key).replace(':', '^')
         if not values.get('name'):
             values['name'] = self.default_name
-        if not self.importer_instance.get_description and \
-           self.importer_instance.default_description:
-            values['description'] = self.importer_instance.default_description
         if not key:
             key = self.importer_instance.importer_type
+        item = None
         if import_key or pk:
             dct_import = {
                 'import_key__icontains':'%s:%s;' % (key, import_key),
@@ -102,7 +100,8 @@ class ImportManager(object):
                 else:
                     item = ref_item
                     for k in values:
-                        setattr(item, k, values[k])
+                        if values[k]:
+                            setattr(item, k, values[k])
                     try:
                         item.save()
                         # force the modified_since_import status
@@ -115,6 +114,10 @@ class ImportManager(object):
             except ObjectDoesNotExist:
                 pass
         if not item:
+            if not self.importer_instance.get_description and \
+               self.importer_instance.default_description:
+                values['description'] = \
+                                     self.importer_instance.default_description
             values.update({
                 'import_source':self.importer_instance.source})
             values['status'] = 'I'