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django-nonrel

how to identify django-nonrel/django fork?

I'm contributing on a 3rd party Django package and trying to make it compatible with django-nonrel. The only issue really is that a model contains a ManyToManyField using "through" attribute, which is not supported by nonrel. So I want to add a condition, which only adds the field to the model if the Django framework is NOT nonrel.

How can I identify that the Django framework is nonrel? I don't necessarily want to depend on it being GAE, Mongo or some other usage. Just plain nonrel.

Solution

  • This is the solution, courtesy of @aburgel:

    from django.db import connection
if connection.features.supports_joins:
   # sql stuff....
   pass
else:
   # NoSQL, i.e., nonrel stuff
   pass