TypeError:不带编码的字符串参数 [英] TypeError: string argument without an encoding

问题描述

我想将Json的压缩gzip上传到Google Storage.

I want to upload compressed gzip of Json into Google Storage.

我有此代码:

import datalab.storage as storage
import gzip
path = prefix + '/orders_newline.json.gz'
storage.Bucket('orders').item(path).write_to(gzip.compress(bytes(create_jsonlines(source)),encoding='utf8'), 'application/json')

create_jsonlines(source)是一个返回Json Newline Delimited的函数.

The create_jsonlines(source) is a function that returns Json Newline Delimited.

运行此代码将给出:

TypeError: string argument without an encoding

Python文档表示格式为:我不确定我是否理解它，因为没有使用它的示例.

The Python docs says the format is: bytes([source[, encoding[, errors]]]) I'm not sure I understand it as there is no example of how to use it.

我也尝试过

bytes([(create_jsonlines(source))[,encoding='utf8']])

这给出了:

SyntaxError: invalid syntax

我正在运行Python 3.5

I'm running Python 3.5

推荐答案

您没有正确使用bytes函数.检查一下:

You are not using the bytes function correctly. Check this:

>>> a = "hi"
>>> bytes(a, encoding='utf8')
b'hi'

您可以尝试:

bytes((create_jsonlines(source)), encoding='utf8')

encoding是bytes函数的参数，您正在该函数之外使用它.

encoding is the argument of the bytes function, and you are using it outside of that function.

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