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

    # -------------------------------------------------------------------------
Deregister an extension from the system.
dataset/ETHPy150Open sahana/eden/modules/s3/s3import.py/S3ImportItem._dynamic_defaults--crossover with--dataset/ETHPy150Open ExCiteS/geokey/geokey/extensions/base.py/deregister