Python JSON 负载的字符串连接

Question

我正在尝试修改 Postman 生成的这段代码，以用字符串变量替换硬编码字符串，但我不断收到

KeyError: '\n\t"username"'

这是代码

username = "jose"
email = "some_email"
password = "1234"

url = "some_url"

payload = '{\n\t\"username\": {},\n\t\"email\": {},\n\t\"password\": {}\n}'.format(username, email, password)
headers = {
  'Content-Type': 'application/json'
}

response = requests.request("POST", url, headers=headers, data=payload)

print(response.text.encode('utf8'))

Answer 1

看看这里的例子：https://requests.readthedocs.io/en/master/user/quickstart/

>>> r = requests.post('https://httpbin.org/post', data = {'key':'value'})

您可以只对数据使用词典。

Answer 2

您可以这样正确地形成您的 json：

import json
username = "jose"
email = "some_email"
password = "1234"

url = "some_url"

payload = json.dumps({"username": username, "email":email, "password":password}, indent=4)
headers = { 'Content-Type': 'application/json'}

response = requests.request("POST", url, headers=headers, data=payload)

print(response.text.encode('utf8'))

Python JSON 负载的字符串连接

Python string concatenation for JSON payload

python

json

string-concatenation