Pythonゼロベースpostリクエストによる有道翻訳ウィジェット(urllib,request,post,parse,json)

# !/usr/bin/python
# Filename:       post  .py
# Data    : 2020/07/16
# Author  : --king--
# ctrl+alt+L        


import urllib.request
import urllib.parse
import json

#   :  post          

#         
key = input('           :')

#   POST  
data = {
    'i': key,
    'from': 'AUTO',
    'to': 'AUTO',
    'smartresult': 'dict',
    'client': 'fanyideskweb',
    'salt': '15949097071450',
    'sign': '51d443b018a380fed2e86bd67dfbeace',
    'ts': '1594909707145',
    'bv': '0ea2f265e69dc7094ed5f0b64ef39e0b',
    'doctype': 'json',
    'version': '2.1',
    'keyfrom': 'fanyi.web',
    'action': 'FY_BY_CLICKBUTTION'
}
# print(data)

#       urllib parse.urlencode()  ，    key:value         "key=value"      ,        ASCII 
data = urllib.parse.urlencode(data)
# print(data)

#   POST            ,    data      
data = bytes(data,'utf-8')

# url = 'http://fanyi.youdao.com/translate_o?smartresult=dict&smartresult=rule'
#            ,_o   ,url     
#   http://fanyi.youdao.com/translate?smartresult=dict&smartresult=rule          
url = 'http://fanyi.youdao.com/translate?smartresult=dict&smartresult=rule'

#   header
headers = {
    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36'}

#        ,  post 
req = urllib.request.Request(url,data,headers=headers)

#      
res = urllib.request.urlopen(req)
html = res.read().decode('utf-8')

#            ,       ,    json    
#  post   data    ,    json  
# print(html,type(html))

#  json.loads        
result_temp = json.loads(html)
# print(result,type(result))

#      ,    k-v           
result = result_temp['translateResult'][0][0]

#     ,                   
if key == result['src']:
    print('        :',key)
    print('     :',result['tgt'])

else:
    print('    ,   ')