Created
October 9, 2012 16:43
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Django refresh and update model instance helpers
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| def refresh(instance): | |
| """Select and return instance from database. | |
| Usage: ``instance = refresh(instance)`` | |
| """ | |
| return instance.__class__.objects.get(pk=instance.pk) | |
| def update(instance, **data): | |
| """Update instance with data directly by using ``update()`` | |
| skipping calling ``save()`` method. | |
| Usage: ``instance = update(instance, some_field=some_value)`` | |
| """ | |
| instance.__class__.objects.filter(pk=instance.pk).update(**data) | |
| return refresh(instance) |
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