ver_32.py 文件源码

def __init__(self, table, key):
        self._table = table
        self._values = []             # ordered list of values
        self._rec_by_val = []         # matching record numbers
        self._records = {}            # record numbers:values
        self.__doc__ = key.__doc__ or 'unknown'
        self._key = key
        self._previous_status = []
        for record in table:
            value = key(record)
            if value is DoNotIndex:
                continue
            rec_num = recno(record)
            if not isinstance(value, tuple):
                value = (value, )
            vindex = bisect_right(self._values, value)
            self._values.insert(vindex, value)
            self._rec_by_val.insert(vindex, rec_num)
            self._records[rec_num] = value
        table._indexen.add(self)