gistfile1.pyw

def latest_objects_by_category(category, app_label, model_name, set_name, date_field='pub_date'):
    from django.db.models import get_model
    from categories import registry
    from categories.models import Category
    if isinstance(category, basestring):
	category = Category.objects.get(slug=category)
    m = get_model(app_label, model_name)
    fk = hasattr(category, 'primary_%s_set'%set_name) and getattr(category, 'primary_%s_set'%set_name).all() or set()
    m2m = hasattr(category, '%s_set'%set_name) and getattr(category, '%s_set'%set_name).all() or set()
    results = fk | m2m
    return results.order_by('-%s' % date_field)


NATIVE_LIBRARY = {
    'function':{
	'get_latest_objects_by_category': latest_objects_by_category
    }
}