strutil.py 文件源码

def _get_key_and_headers(keys, rows):

    if keys is None:

        if len(rows) == 0:
            keys = []
        else:
            r0 = rows[0]

            if type(r0) == types.DictType:
                keys = r0.keys()
                keys.sort()
            elif type(r0) in listtype:
                keys = [i for i in range(len(r0))]
            else:
                keys = ['']

    _keys = []
    column_headers = []

    for k in keys:

        if type(k) not in listtype:
            k = [k, k]

        _keys.append(k[0])
        column_headers.append(str(k[1]))

    return _keys, column_headers