def __init__(self,
               db_filename,
               sql_type,
               py_type,
               signature,
               commit_periodicity=100):
    self.prior_key_end = None






    create_table = ('create table progress (\n'
                    'id integer primary key autoincrement,\n'
                    'state integer not null,\n'
                    'kind text not null,\n'
                    'key_start %s,\n'
                    'key_end %s)'
                    % (sql_type, sql_type))
    self.py_type = py_type

    index = 'create index i_state on progress (state)'
    _Database.__init__(self,
                       db_filename,
                       create_table,
                       signature,
                       index=index,
                       commit_periodicity=commit_periodicity)
Convert a payment method nonce into a CreditCard. This does not return
dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-compat/exported_appengine_sdk/google/appengine/tools/bulkloader.py/_ProgressDatabase.__init__--crossover with--dataset/ETHPy150Open braintree/braintree_python/braintree/credit_card.py/CreditCard.from_nonce