Login

Hat-trick for getting categories related to an object group

Author:
pablo_PXL
Posted:
January 30, 2011
Language:
Python
Version:
1.2
Score:
0 (after 0 ratings)

Three step list comprehension for getting a set of categories existing in a group of objects 

1
2
3
4
5
## helpers.py
def get_categories(category_model, item_set):
    return [category for category in
            category_model.objects.all() if category in
            [item.category for item in item_set]]

More like this

  1. get_object_or_none by azwdevops 1 month, 3 weeks ago
  2. Mask sensitive data from logger by agusmakmun 3 months, 2 weeks ago
  3. Template tag - list punctuation for a list of items by shapiromatron 1 year, 5 months ago
  4. JSONRequestMiddleware adds a .json() method to your HttpRequests by cdcarter 1 year, 6 months ago
  5. Serializer factory with Django Rest Framework by julio 2 years ago

Comments

Please login first before commenting.