Optimistic lock implementation for Django. Prevents users from doing concurrent editing.
Project description
django-concurrency is an optimistic lock [1] implementation for Django.
Tested with: 1.4.x, 1.5.x, 1.6.x, trunk.
It prevents users from doing concurrent editing in Django both from UI and from a django command.
How it works
sample code:
from concurrency.fields import IntegerVersionField
class ConcurrentModel( models.Model ):
version = IntegerVersionField( )
Now if you try:
a = ConcurrentModel.objects.get(pk=1) b = ConcurrentModel.objects.get(pk=1) a.save() b.save()
you will get a RecordModifiedError on b.save()
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django-concurrency-0.7.1.tar.gz
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