translator.py

# -*- coding: utf-8 -*-
import requests
import hashlib
import time
import json
import random


class Youdao(object):
    def __init__(self, msg):
        self.msg = msg
        self.url = 'http://fanyi.youdao.com/translate_o?smartresult=dict&smartresult=rule'
        self.D = "Ygy_4c=r#e#4EX^NUGUc5"
        self.salt = self.get_salt()
        self.sign = self.get_sign()

    def get_md(self, value):
        '''md5加密'''
        m = hashlib.md5()
        # m.update(value)
        m.update(value.encode('utf-8'))
        return m.hexdigest()

    def get_salt(self):
        '''根据当前时间戳获取salt参数'''
        s = int(time.time() * 1000) + random.randint(0, 10)
        return str(s)

    def get_sign(self):
        '''使用md5函数和其他参数，得到sign参数'''
        s = "fanyideskweb" + self.msg + self.salt + self.D
        return self.get_md(s)

    def get_result(self):
        '''headers里面有一些参数是必须的，注释掉的可以不用带上'''
        headers = {
            # 'Accept': 'application/json, text/javascript, */*; q=0.01',
            # 'Accept-Encoding': 'gzip, deflate',
            # 'Accept-Language': 'zh-CN,zh;q=0.9,mt;q=0.8',
            # 'Connection': 'keep-alive',
            # 'Content-Length': '240',
            # 'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
            'Cookie': 'OUTFOX_SEARCH_USER_ID=-2022895048@10.168.8.76;',
            # 'Host': 'fanyi.youdao.com',
            # 'Origin': 'http://fanyi.youdao.com',
            'Referer': 'http://fanyi.youdao.com/',
            'User-Agent': 'Mozilla/5.0 (Windows NT 6.2; rv:51.0) Gecko/20100101 Firefox/51.0',
            # 'X-Requested-With': 'XMLHttpRequest'
        }
        data = {
            'i': self.msg,
            'from': 'AUTO',
            'to': 'AUTO',
            'smartresult': 'dict',
            'client': 'fanyideskweb',
            'salt': self.salt,
            'sign': self.sign,
            'lts':self.sign[:-1],
            'bv':'be559818a402acf44a9a990b7ef68fe9',
            'doctype': 'json',
            'version': '2.1',
            'keyfrom': 'fanyi.web',
            'action': 'FY_BY_CL1CKBUTTON',
            'typoResult': 'true'
        }
        html = requests.post(self.url, data=data, headers=headers).text
        # print(html)
        infos = json.loads(html)
        if 'translateResult' in infos:
            try:
                result = infos['translateResult'][0][0]['tgt']
                # print(result)
                return result
            except:
                return None
                pass
        


if __name__ == '__main__':
    y = Youdao('你是我的小苹果，我是你的优乐美')
    print(y.get_result())