#-*- coding: utf8 -*-
import requests

s = requests.Session()

payload = 'antofa_field1=Hello test2' # open('product.json', 'rb').read()
headers = {'content-type': 'application/x-www-form-urlencoded'}

r = s.put('https://astore:w3LjfUEa6jbsPvveKo1wWeJtuTnryDeF@api.schema.io/astore.com.products/58497f446e913f3276561c47', data=payload, headers=headers)
print r
open('page.htm', 'wb').write(r.content)