python实现翻译功能_python 模拟有道翻译网页

作者：Guff_9hys | 2024-07-20 06:54:50

踩

python 模拟有道翻译网页

该程序为翻译软件，支持百度翻译、有道翻译、谷歌翻译三种翻译方式。用户输入需要翻译的文本，选择翻译方式（按钮），点击“翻译”按钮即可在下方显示翻译结果。程序使用Python编写，GUI使用PyQt5库，涉及到了requests、js2py等第三方库的使用，具有一定的技术难度。


'''
Function:
	翻译软件V0.1.2,支持:
		--百度翻译
		--有道翻译
		--谷歌翻译
'''
import re
import js
import sys
import time
import js2py
import random
import hashlib
import requests
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
 
 
'''百度翻译类'''
class baidu():
	def __init__(self):
		self.session = requests.Session()
		self.session.cookies.set('BAIDUID', '19288887A223954909730262637D1DEB:FG=1;')
		self.session.cookies.set('PSTM', '%d;' % int(time.time()))
		self.headers = {
							'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36'
						}
		self.data = {
						'from': '',
						'to': '',
						'query': '',
						'transtype': 'translang',
						'simple_means_flag': '3',
						'sign': '',
						'token': '',
						'domain': 'common'
					}
		self.url = 'https://fanyi.baidu.com/v2transapi'
		self.langdetect_url = 'https://fanyi.baidu.com/langdetect'
	def translate(self, word):
		self.data['from'] = self.detectLanguage(word)
		self.data['to'] = 'en' if self.data['from'] == 'zh' else 'zh'
		self.data['query'] = word
		self.data['token'], gtk = self.getTokenGtk()
		self.data['token'] = '6482f137ca44f07742b2677f5ffd39e1'
		self.data['sign'] = self.getSign(gtk, word)
		res = self.session.post(self.url, data=self.data)
		return [res.json()['trans_result']['data'][0]['result'][0][1]]
	def getTokenGtk(self):
		url = 'https://fanyi.baidu.com/'
		res = requests.get(url, headers=self.headers)
		token = re.findall(r"token: '(.*?)'", res.text)[0]
		gtk = re.findall(r";window.gtk = ('.*?');", res.text)[0]
		return token, gtk
	def getSign(self, gtk, word):
		evaljs = js2py.EvalJs()
		js_code = js.bd_js_code
		js_code = js_code.replace('null !== i ? i : (i = window[l] || "") || ""', gtk)
		evaljs.execute(js_code)
		sign = evaljs.e(word)
		return sign
	def detectLanguage(self, word):
		data = {
				'query': word
				}
		res = self.session.post(self.langdetect_url, headers=self.headers, data=data)
		return res.json()['lan']
 
 
'''有道翻译类'''
class youdao():
	def __init__(self):
		self.headers = {
						'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36',
						'Referer': 'http://fanyi.youdao.com/',
						'Cookie': 'OUTFOX_SEARCH_USER_ID=-481680322@10.169.0.83;'
					}
		self.data = {
						'i': None,
						'from': 'AUTO',
						'to': 'AUTO',
						'smartresult': 'dict',
						'client': 'fanyideskweb',
						'salt': None,
						'sign': None,
						'ts': None,
						'bv': None,
						'doctype': 'json',
						'version': '2.1',
						'keyfrom': 'fanyi.web',
						'action': 'FY_BY_REALTlME'
					}
		self.url = 'http://fanyi.youdao.com/translate_o?smartresult=dict&smartresult=rule'
	def translate(self, word):
		ts = str(int(time.time()*10000))
		salt = ts + str(int(random.random()*10))
		sign = 'fanyideskweb' + word + salt + '97_3(jkMYg@T[KZQmqjTK'
		sign = hashlib.md5(sign.encode('utf-8')).hexdigest()
		bv = '5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36'
		bv = hashlib.md5(bv.encode('utf-8')).hexdigest()
		self.data['i'] = word
		self.data['salt'] = salt
		self.data['sign'] = sign
		self.data['ts'] = ts
		self.data['bv'] = bv
		res = requests.post(self.url, headers=self.headers, data=self.data)
		return [res.json()['translateResult'][0][0].get('tgt')]
 
 
'''Google翻译类'''
class google():
	def __init__(self):
		self.headers = {
						'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36',
					}
		self.url = 'https://translate.google.cn/translate_a/single?client=t&sl=auto&tl={}&hl=zh-CN&dt=at&dt=bd&dt=ex&dt=ld&dt=md&dt=qca&dt=rw&dt=rm&dt=ss&dt=t&tk={}&q={}'
	def translate(self, word):
		if len(word) > 4891:
			raise RuntimeError('The length of word should be less than 4891...')
		languages = ['zh-CN', 'en']
		if not self.isChinese(word):
			target_language = languages[0]
		else:
			target_language = languages[1]
		res = requests.get(self.url.format(target_language, self.getTk(word), word), headers=self.headers)
		return [res.json()[0][0][0]]
	def getTk(self, word):
		evaljs = js2py.EvalJs()
		js_code = js.gg_js_code
		evaljs.execute(js_code)
		tk = evaljs.TL(word)
		return tk
	def isChinese(self, word):
		for w in word:
			if '\u4e00' <= w <= '\u9fa5':
				return True
		return False
 
 
'''简单的Demo'''
class Translator(QWidget):
	def __init__(self, parent=None, **kwargs):
		super(Translator, self).__init__(parent)
		self.setWindowTitle('翻译软件')
		self.Label1 = QLabel('原文')
		self.Label2 = QLabel('译文')
		self.LineEdit1 = QLineEdit()
		self.LineEdit2 = QLineEdit()
		self.translateButton1 = QPushButton()
		self.translateButton2 = QPushButton()
		self.translateButton3 = QPushButton()
		self.translateButton1.setText('百度翻译')
		self.translateButton2.setText('有道翻译')
		self.translateButton3.setText('谷歌翻译')
		self.grid = QGridLayout()
		self.grid.setSpacing(12)
		self.grid.addWidget(self.Label1, 1, 0)
		self.grid.addWidget(self.LineEdit1, 1, 1)
		self.grid.addWidget(self.Label2, 2, 0)
		self.grid.addWidget(self.LineEdit2, 2, 1)
		self.grid.addWidget(self.translateButton1, 1, 2)
		self.grid.addWidget(self.translateButton2, 2, 2)
		self.grid.addWidget(self.translateButton3, 3, 2)
		self.setLayout(self.grid)
		self.resize(400, 150)
		self.translateButton1.clicked.connect(lambda : self.translate(api='baidu'))
		self.translateButton2.clicked.connect(lambda : self.translate(api='youdao'))
		self.translateButton3.clicked.connect(lambda : self.translate(api='google'))
		self.bd_translate = baidu()
		self.yd_translate = youdao()
		self.gg_translate = google()
	def translate(self, api='baidu'):
		word = self.LineEdit1.text()
		if not word:
			return
		if api == 'baidu':
			results = self.bd_translate.translate(word)
		elif api == 'youdao':
			results = self.yd_translate.translate(word)
		elif api == 'google':
			results = self.gg_translate.translate(word)
		else:
			raise RuntimeError('Api should be <baidu> or <youdao> or <google>...')
		self.LineEdit2.setText(';'.join(results))
 
 
'''run'''
if __name__ == '__main__':
	app = QApplication(sys.argv)
	demo = Translator()
	demo.show()
	sys.exit(app.exec_())

js.py


bd_js_code = r'''
function a(r) {
        if (Array.isArray(r)) {
            for (var o = 0, t = Array(r.length); o < r.length; o++)
                t[o] = r[o];
            return t
        }
        return Array.from(r)
    }
    function n(r, o) {
        for (var t = 0; t < o.length - 2; t += 3) {
            var a = o.charAt(t + 2);
            a = a >= "a" ? a.charCodeAt(0) - 87 : Number(a),
            a = "+" === o.charAt(t + 1) ? r >>> a : r << a,
            r = "+" === o.charAt(t) ? r + a & 4294967295 : r ^ a
        }
        return r
    }
    function e(r) {
        var o = r.match(/[\uD800-\uDBFF][\uDC00-\uDFFF]/g);
        if (null === o) {
            var t = r.length;
            t > 30 && (r = "" + r.substr(0, 10) + r.substr(Math.floor(t / 2) - 5, 10) + r.substr(-10, 10))
        } else {
            for (var e = r.split(/[\uD800-\uDBFF][\uDC00-\uDFFF]/), C = 0, h = e.length, f = []; h > C; C++)
                "" !== e[C] && f.push.apply(f, a(e[C].split(""))),
                C !== h - 1 && f.push(o[C]);
            var g = f.length;
            g > 30 && (r = f.slice(0, 10).join("") + f.slice(Math.floor(g / 2) - 5, Math.floor(g / 2) + 5).join("") + f.slice(-10).join(""))
        }
        var u = void 0
          , l = "" + String.fromCharCode(103) + String.fromCharCode(116) + String.fromCharCode(107);
        u = null !== i ? i : (i = window[l] || "") || "";
        for (var d = u.split("."), m = Number(d[0]) || 0, s = Number(d[1]) || 0, S = [], c = 0, v = 0; v < r.length; v++) {
            var A = r.charCodeAt(v);
            128 > A ? S[c++] = A : (2048 > A ? S[c++] = A >> 6 | 192 : (55296 === (64512 & A) && v + 1 < r.length && 56320 === (64512 & r.charCodeAt(v + 1)) ? (A = 65536 + ((1023 & A) << 10) + (1023 & r.charCodeAt(++v)),
            S[c++] = A >> 18 | 240,
            S[c++] = A >> 12 & 63 | 128) : S[c++] = A >> 12 | 224,
            S[c++] = A >> 6 & 63 | 128),
            S[c++] = 63 & A | 128)
        }
        for (var p = m, F = "" + String.fromCharCode(43) + String.fromCharCode(45) + String.fromCharCode(97) + ("" + String.fromCharCode(94) + String.fromCharCode(43) + String.fromCharCode(54)), D = "" + String.fromCharCode(43) + String.fromCharCode(45) + String.fromCharCode(51) + ("" + String.fromCharCode(94) + String.fromCharCode(43) + String.fromCharCode(98)) + ("" + String.fromCharCode(43) + String.fromCharCode(45) + String.fromCharCode(102)), b = 0; b < S.length; b++)
            p += S[b],
            p = n(p, F);
        return p = n(p, D),
        p ^= s,
        0 > p && (p = (2147483647 & p) + 2147483648),
        p %= 1e6,
        p.toString() + "." + (p ^ m)
    }
'''
 
 
gg_js_code = '''
    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
    }
'''
'运行

声明：本文内容由网友自发贡献，不代表【wpsshop博客】立场，版权归原作者所有，本站不承担相应法律责任。如您发现有侵权的内容，请联系我们。转载请注明出处：https://www.wpsshop.cn/w/Guff_9hys/article/detail/855633