(self, fixedlen, default=None)
:param fixedlen: the fixed length of byte strings in this column.
        :param default: the default value to use for documents that don't
            specify a value. If you don't specify a default, the column will
            use ``b'\\x00' * fixedlen``.
:param fixedlen: the fixed length of byte strings in this column.
        :param default: the default value to use for documents that don't
            specify a value. If you don't specify a default, the column will
            use ``b'\\x00' * fixedlen``.
: param fixedlen : the fixed length of byte strings in this column . : param default : the default value to use for documents that don t specify a value . If you don t specify a default the column will use b \\ x00 * fixedlen .
def __init__(self, fixedlen, default=None):
        """
        :param fixedlen: the fixed length of byte strings in this column.
        :param default: the default value to use for documents that don't
            specify a value. If you don't specify a default, the column will
            use ``b'\\x00' * fixedlen``.
        """

        self._fixedlen = fixedlen

        if default is None:
            default = b("\x00") * fixedlen
        elif len(default) != fixedlen:
            raise ValueError
        self._default = default
def __init__ ( self , fixedlen , default = None ) : self . _fixedlen = fixedlen if default is None : default = b ( "\x00" ) * fixedlen elif len ( default ) != fixedlen : raise ValueError self . _default = default