add auto_tag_objects util function

nrb · May 10, 2011 · 8d4b016 · 8d4b016
1 parent a9c4692
commit 8d4b016
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/mediaman/utils.py b/mediaman/utils.py
@@ -58,3 +58,9 @@ def tags_from_string(phrase):
     word_list = re.findall(r'[A-Za-z0-9]+', phrase.lower())
     word_list = [word for word in word_list if word not in ignore_list]
     return Tag.objects.filter(name__in=word_list).values_list('name', flat=True)
+
+
+def auto_tag_objects(obj_list, from_field, tag_field='tags'):
+    for obj in obj_list:
+        tag_list = tags_from_string(getattr(obj, from_field, ''))
+        getattr(obj, tag_field).add(*tag_list)