def get_count(self, key, super_column=None, read_consistency_level=None,
                  columns=None, column_start="", column_finish="",
                  column_reversed=False, max_count=None):
        if max_count is None:
            max_count = self.MAX_COUNT

        packed_key = self._pack_key(key)
        cp = self._column_parent(super_column)
        sp = self._slice_predicate(columns, column_start, column_finish,
                                   column_reversed, max_count, super_column)

        return self.pool.execute('get_count', packed_key, cp, sp,
                read_consistency_level or self.read_consistency_level)
Count the number of columns in the row with key `key`.
dataset/ETHPy150Open pycassa/pycassa/pycassa/columnfamily.py/ColumnFamily.get_count