[人工智能]python 使用google接口实现文本自动翻译功能

在大佬的基础上修改的，原文代码可对短句进行翻译，可以对存储好的长文本进行翻译，默认是每段一行。从newfile.txt文件读取，将翻译结果存储在translate.txt

原文：python实现文本自动翻译_Mr.Stone^_^的博客-CSDN博客_python自动翻译

依赖包准备：

pip install PyExceJs

HandleJs.py

import execjs

class Py4Js():

    def __init__(self):
        self.ctx = execjs.compile("""
        function TL(a) {
        var k = "";
        var b = 406644;
        var b1 = 3293161072;

        var jd = ".";
        var $b = "+-a^+6";
        var Zb = "+-3^+b+-f";

        for (var e = [], f = 0, g = 0; g < a.length; g++) {
            var m = a.charCodeAt(g);
            128 > m ? e[f++] = m : (2048 > m ? e[f++] = m >> 6 | 192 : (55296 == (m & 64512) && g + 1 < a.length && 56320 == (a.charCodeAt(g + 1) & 64512) ? (m = 65536 + ((m & 1023) << 10) + (a.charCodeAt(++g) & 1023),
            e[f++] = m >> 18 | 240,
            e[f++] = m >> 12 & 63 | 128) : e[f++] = m >> 12 | 224,
            e[f++] = m >> 6 & 63 | 128),
            e[f++] = m & 63 | 128)
        }
        a = b;
        for (f = 0; f < e.length; f++) a += e[f],
        a = RL(a, $b);
        a = RL(a, Zb);
        a ^= b1 || 0;
        0 > a && (a = (a & 2147483647) + 2147483648);
        a %= 1E6;
        return a.toString() + jd + (a ^ b)
    };

    function RL(a, b) {
        var t = "a";
        var Yb = "+";
        for (var c = 0; c < b.length - 2; c += 3) {
            var d = b.charAt(c + 2),
            d = d >= t ? d.charCodeAt(0) - 87 : Number(d),
            d = b.charAt(c + 1) == Yb ? a >>> d: a << d;
            a = b.charAt(c) == Yb ? a + d & 4294967295 : a ^ d
        }
        return a
    }
    """)

    def getTk(self,text):
        return self.ctx.call("TL",text)

?translate.py

import json
import urllib.request
import urllib.parse
import random
import time
from HandleJs import Py4Js

class Translates():

   js = None

   def __init__(self):
       # pass
       Translates.js = Py4Js()

   def open_url(self,url):
       headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:23.0) Gecko/20100101 Firefox/23.0'}
       req = urllib.request.Request(url=url, headers=headers)
       response = urllib.request.urlopen(req)
       data = response.read().decode('utf-8')
       dataJS = json.loads(data)

       return data


   def buildUrl(self,content, tk, tl):
       baseUrl = 'http://translate.google.cn/translate_a/single'
       baseUrl += '?client=t&'
       baseUrl += 'sl=auto&'
       baseUrl += 'tl=' + str(tl) + '&'
       baseUrl += 'hl=zh-CN&'
       baseUrl += 'dt=at&'
       baseUrl += 'dt=bd&'
       baseUrl += 'dt=ex&'
       baseUrl += 'dt=ld&'
       baseUrl += 'dt=md&'
       baseUrl += 'dt=qca&'
       baseUrl += 'dt=rw&'
       baseUrl += 'dt=rm&'
       baseUrl += 'dt=ss&'
       baseUrl += 'dt=t&'
       baseUrl += 'ie=UTF-8&'
       baseUrl += 'oe=UTF-8&'
       baseUrl += 'clearbtn=1&'
       baseUrl += 'otf=1&'
       baseUrl += 'pc=1&'
       baseUrl += 'srcrom=0&'
       baseUrl += 'ssel=0&'
       baseUrl += 'tsel=0&'
       baseUrl += 'kc=2&'
       baseUrl += 'tk=' + str(tk) + '&'
       baseUrl += 'q=' + content
       return baseUrl


   def translate(self,content, tk, tl):
       time.sleep(random.randint(1,5)/10)
       text = content
       content = urllib.parse.quote(content)
       url = self.buildUrl(content, tk, tl)

       result = self.open_url(url)
       res_json = json.loads(result)
       trans_text = ""
       res_len = len(res_json[0])
       for i in range(0,res_len-1):
           trans_text += res_json[0][i][0]
       #tk是要翻译的源语种
       sl = res_json[8][0][0]
       print(sl,text," -> ",tl," : ",trans_text)
       return trans_text

   def getTranslate(self,text,tl):
       #content是要翻译的内容
       #tl是要翻译的目标语种，值参照ISO 639-1标准，如果翻译成中文"zh/zh-CN简体中文"
       tk = Translates.js.getTk(text)
       return self.translate(text, tk, tl)

if __name__ == "__main__":
    ts = Translates()
    with open("newfile.txt", 'r', encoding="utf-8") as f:
        lines = f.readlines()
        with open("translate.txt","w",encoding="utf-8", newline="") as trans:
            for line in lines:
                res = ts.getTranslate(line, "zh_CN")
                trans.writelines(res)

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