python 采用multipart/form-data编码方式提交POST请求

import requests
from requests_toolbelt import MultipartEncoder

url = ''
m =  MultipartEncoder(fields={
	'status': 'test',
	'pic': (img, open(img, 'rb'), 'text/plain'),	# 传输文件格式
})

requests.post(url=url, headers={'Content-Type': m.content_type},data=m)