def _dynamic_defaults(self, data):

        for k, v in data.items():
            if k[0] == "_":
                fn = k[1:]
                if fn in self.table.fields and fn not in data:
                    data[fn] = v

    # -------------------------------------------------------------------------
Applies dynamic defaults from any keys in data that start with
dataset/ETHPy150Open sahana/eden/modules/s3/s3import.py/S3ImportItem._dynamic_defaults