【python】初学者

破解js反爬机制的有道翻译——制作个人翻译工具

2019-08-25  本文已影响0人  米兰的小铁匠

代码

import requests,time,random,hashlib,json
from tkinter import *
from tkinter import messagebox

# 界面控制
def fanyi():
    text = entry.get()
    text = text.strip()
    print(text)
    if text == '':
        messagebox.showinfo('提示:','请输入')
    else:
        result,result_detail = parse(text)
        # 进行界面排版
        theLabel = Label(room, text='翻译:'+'\n'+result+'\n'+'\n'+'详细翻译:'+'\n'+result_detail, font= ('黑体',15), fg='red')
        theLabel.grid(row=1, column=1)

# 翻译结果返回
def parse(text):

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

    # 逆向js解析表单数据
    ts = str(int(time.time()*1000))
    salt = ts + str(random.randint(0, 10))
    # md5加密
    md5 = hashlib.md5()
    encryption = 'fanyideskweb' + text + salt + "n%A-rKaT5fb[Gy?;N5@Tj"
    md5.update(encryption.encode("utf-8"))
    sign = md5.hexdigest()

    # 表单
    data = {
        'i': text,
        'from': 'AUTO',
        'to': 'AUTO',
        'smartresult': 'dict',
        'client': 'fanyideskweb',
        'salt': salt,
        'sign': sign,
        'ts': ts,
        'bv': '7e3150ecbdf9de52dc355751b074cf60',
        'doctype': 'json',
        'version': '2.1',
        'keyfrom': 'fanyi.web',
        'action': 'FY_BY_CLICKBUTTION'
    }

    # 请求headers
    headers = {
        'Accept': 'application/json, text/javascript, */*; q=0.01',
        'Accept-Encoding': 'gzip, deflate',
        'Accept-Language': 'zh-CN,zh;q=0.9,en;q=0.8,zh-HK;q=0.7,zh-TW;q=0.6',
        'Connection': 'keep-alive',
        'Content-Length': '242',
        'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
        'Cookie': 'OUTFOX_SEARCH_USER_ID_NCOO=101631173.1664094; OUTFOX_SEARCH_USER_ID="1817802748@10.169.0.84"; _ntes_nnid=c5aaa2bceb9489aff9a93944a0e70db5,1564971812601; JSESSIONID=aaaXCWGeXbuZff2fbSgZw; ___rl__test__cookies=1566701790595',
        'Host': 'fanyi.youdao.com',
        'Origin': 'http://fanyi.youdao.com',
        'Referer': 'http://fanyi.youdao.com/',
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.100 Safari/537.36',
        'X-Requested-With': 'XMLHttpRequest',
    }

    request = requests.post(url=url,data=data,headers=headers)
    details = request.text
    '''
    # json字符串
    <class 'str'>
    {"translateResult":[[{"tgt":"你好","src":"hello"}]],"errorCode":0,"type":"en2zh-CHS",
        "smartResult":{"entries":["","n. 表示问候, 惊奇或唤起注意时的用语\r\n","int. 喂;哈罗\r\n","n. (Hello)人名;(法)埃洛\r\n"],"type":1}}
    '''
    translateResult = json.loads(details)
    result = translateResult["translateResult"][0][0]['tgt']
    # print('翻译:', translateResult["translateResult"][0][0]['tgt'])
    # print('详细翻译:',''.join(translateResult["smartResult"]["entries"]))
    try:
        result_detail = ''.join(translateResult["smartResult"]["entries"])
    except:
        result_detail = '无详细翻译!'
    return result,result_detail


room = Tk()

room.title("翻译")

room.geometry('800x300+500+300')

label = Label(room, text = '输入', font= ('黑体',25), fg='black')

label.grid()

entry = Entry(room, font = ('微软雅黑',20))
entry.grid(row= 0, column=1)
button = Button(room,text = '进行翻译', font=('微软雅黑',20), command= fanyi)
button.grid(row= 0, column=2)

room.mainloop()
#打包命令:pyinstaller -F -i gg.ico youdao.py
注意

不要温顺的走进那良夜
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