(self, key)
Yields an ordered series of keys equal to or greater than the given
        key.
Yields an ordered series of keys equal to or greater than the given
        key.
Yields an ordered series of keys equal to or greater than the given key .
def keys_from(self, key):
        """Yields an ordered series of keys equal to or greater than the given
        key.
        """

        dbfile = self.dbfile
        for keypos, keylen, _, _ in self.ranges_from(key):
            yield dbfile.get(keypos, keylen)
def keys_from ( self , key ) : dbfile = self . dbfile for keypos , keylen , _ , _ in self . ranges_from ( key ) : yield dbfile . get ( keypos , keylen )