def get_dbname(self, request):
        raise NotImplementedError
Create a model.MapreduceState including MapreduceSpec and MapperSpec.
dataset/ETHPy150Open mik3y/django-db-multitenant/db_multitenant/mapper.py/TenantMapper.get_dbname--crossover with--dataset/ETHPy150Open GoogleCloudPlatform/appengine-mapreduce/python/test/mapreduce/output_writers_test.py/GCSOutputTestBase.create_mapreduce_state