爬取国外网站的时候，总有一些单词要翻译，找了一些翻译接口，发现有道翻译API还可以，但是网上说有限制，一小时可以翻译1000次，但是实测可以抗住更多翻译的。如果有长篇要翻译，可以一次翻译一句话，或者多个词一起翻译。以实现大量翻译。

"""
有道翻译SDK
输入query_string
输出translated_string
"""

import requests
import json
import random
import re


class YouDaoTranslator(object):
    def __init__(self, query_string):
        self.url_temp = "http://fanyi.youdao.com/openapi.do?keyfrom={}&key={}&type=data&doctype=json&version=1.1&q={}"
        self.query_string = query_string

    def get_keyfrom_key(self):
        """每次翻译随机使用一组keyform&key"""
        youdaoAPIs = [
            {
                "keyfrom": 'xujiangtao',  
                "key":'1490852988'
            },
            {
                "keyfrom": 'ltxywp',  
                "key": '1092195550'
            },
            {
                "keyfrom": 'txw1958',  
                "key": '876842050'
            },
            {
                "keyfrom": 'youdanfanyi123',  
                "key": '1357452033'
            },
            {
                "keyfrom": 'fadabvaa',  
                "key": '522071532'
            },
            {
                "keyfrom": 'yyxiaozhan',  
                "key": '1696230822'
            },
            {
                "keyfrom": 'siwuxie095-test',  
                "key": '2140200403'
            },
            {
                "keyfrom": '11pegasus11',  
                "key": '273646050'
            },
            {
                "keyfrom": 'webblog',  
                "key": '1223831798'
            },
            {
                "keyfrom": 'wojiaozhh',  
                "key": '1770085291'
            },
            {
                "keyfrom": 'atmoon',  
                "key": '1407453772'
            },
            {
                "keyfrom": 'morninglight',  
                "key": '1612199890'
            },
            {
                "keyfrom": 'Yanzhikai',  
                "key": '2032414398'
            },
            {
                "keyfrom": 'JustForTestYouDao',  
                "key": '498375134'
            },
            {
                "keyfrom": 'aaa123ddd',  
                "key": '336378893'
            },
            {
                "keyfrom": 'aaa123ddd',  
                "key": '336378893'
            },
            {
                "keyfrom": "wjy-test",  
                "key": "36384249"
            },
            {
                "keyfrom": "youdao111",  
                "key": "60638690"
            },
            {
                "keyfrom": "pythonfankjjkj1",  
                "key": "1288254626"
            },
            {
                "keyfrom": "Dic-EVE",  
                "key": "975360059"
            },
            {
                "keyfrom": "youdianbao",  
                "key": "1661829537"
            },
            {
                "keyfrom": "AndroidHttpTest",  
                "key": "507293865"
            },
            {
                "keyfrom": "123licheng",  
                "key": "1933182090"
            },
            {
                "keyfrom": "pdblog",  
                "key": "993123434"
            },
            {
                "keyfrom": "testorot",  
                "key": "1145972070"
            },
            {
                "keyfrom": "node-translator",  
                "key": "2058911035"
            },
            {
                "keyfrom": "mytranslator1234",  
                "key": "1501976072"
            },
            {
                "keyfrom": "SkyHttpGetTest",  
                "key": "545323935"
            },
            {
                "keyfrom": "htttpGetTest",  
                "key": "1230480132"
            },
            {
                "keyfrom": "neverland",  
                "key": "969918857"
            },
            {
                "keyfrom": "HTTP-TESTdddaa",  
                "key": "702271149"
            },
            {
                "keyfrom": "fadabvaa",  
                "key": "522071532"
            },
            {
                "keyfrom": "atmoon",  
                "key": "1407453772"
            },
            {
                "keyfrom": "orchid",  
                "key": "1008797533"
            },
            {
                "keyfrom": "chdego",  
                "key": "1347056326"
            },
            {
                "keyfrom": "cxvsdffd33",  
                "key": "1310976914"
            },
            {
                "keyfrom": "123licheng",  
                "key": "1933182090"
            },
            {
                "keyfrom": "huichuang",  
                "key": "386196262"
            },
            {
                "keyfrom": "eweewqeqweqwe",  
                "key": "957582233"
            },
            {
                "keyfrom": "abc1243",  
                "key": "1207861310"
            },
            {
                "keyfrom": "xxxxxxx",  
                "key": "1618693256"
            },
            {
                "keyfrom": "mypydict",  
                "key": "27855339"
            },
            {
                "keyfrom": "zqhong",  
                "key": "694644553"
            },
            {
                "keyfrom": "wangtuizhijia",  
                "key": "1048394636"
            },
            {
                "keyfrom": "xinlei",  
                "key": "759115437"
            },
            {
                "keyfrom": "youdaoci",  
                "key": "694691143"
            },
            ]
        api_dict = random.choice(youdaoAPIs)
        return api_dict

    def get_api_url(self):
        """拼接翻译URL"""
        api_dict = self.get_keyfrom_key()
        url = self.url_temp.format(api_dict["keyfrom"],api_dict["key"],self.query_string)
        return url

    def parse(self,url):
        """解析翻译URL，返回翻译str"""
        try:
            resp = requests.get(url).text
            resp_dict = json.loads(resp)
            ret = resp_dict["translation"][0]
        except Exception as e:
            print("翻译报错",e)
            ret = ""
        return ret

    def run(self):
        """启动翻译，返回被翻译的词汇"""
        url = self.get_api_url()
        translated_string = self.parse(url)
        return translated_string


if __name__ == '__main__':
    query_string = "book,dog,bird"
    fanyi = YouDaoTranslator(query_string)
    translated_string = fanyi.run()
    print(translated_string)

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