python实现在线翻译功能

def fanyi_word_cn(string):
 url="https://fanyi.so.com/index/search"
 #db_path = './db/tasks.db'
 Form_Data= {}
 
 #这里输入要翻译的英文
 Form_Data['query']= string
 Form_Data['eng']= '1'
 
 #用urlencode把字典变成字符串，#服务器不接受字典，只接受字符串和二进制
 data= parse.urlencode(Form_Data).encode('utf-8')
 
 #改成服务器可识别的数据后，请求，获取回应数据
 response= request.urlopen(url, data)
 
 html= response.read().decode("utf-8")#解码方式
 
 #java中的对象（集合）和数组（元素为集合）,loads可转Python字典
 result= json.loads(html)
 
 #字典调取键名data下的键名fanyi,获取其值
 translate_result= result["data"]["fanyi"]
 #print(translate_result)
 return translate_result

#google api, per 1000 words everyday
def translate_cn_api(content):
 translator= Translator(to_lang="zh")
 translation = translator.translate(content)
 return translation

pip install PyExecJS

#coding=utf-8
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)

#coding=utf-8
#import urllib.request
import urllib2
from HandleJs import Py4Js 
from translate import Translator
import requests
# Example: find_last('aaaa', 'a') returns 3
# Make sure your procedure has a return statement.
def find_last(string,str):
last_position=-1
while True:
position=string.find(str,last_position+1)
if position==-1:
return last_position
last_position=position
def open_url(url): 
headers = {'User-Agent':'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:23.0) Gecko/20100101 Firefox/23.0'} 
req = urllib2.Request(url = url,headers=headers) 
response = urllib2.urlopen(req) 
data = response.read().decode('utf-8') 
return data 
def translate_core(content,tk, language): 
if len(content)   4891: 
print("too long byte  4891")
return
content = urllib2.quote(content) 
if language == 'de':
url = "http://translate.google.cn/translate_a/single?client=t"+ "&sl=de&tl=zh-CN&hl=zh-CN&dt=at&dt=bd&dt=ex&dt=ld&dt=md&dt=qca"+"&dt=rw&dt=rm&dt=ss&dt=t&ie=UTF-8&oe=UTF-8&clearbtn=1&otf=1&pc=1"+"&srcrom=0&ssel=0&tsel=0&kc=2&tk=%s&q=%s"%(tk,content) 
else:
url = "http://translate.google.cn/translate_a/single?client=t"+ "&sl=en&tl=zh-CN&hl=zh-CN&dt=at&dt=bd&dt=ex&dt=ld&dt=md&dt=qca"+"&dt=rw&dt=rm&dt=ss&dt=t&ie=UTF-8&oe=UTF-8&clearbtn=1&otf=1&pc=1"+"&srcrom=0&ssel=0&tsel=0&kc=2&tk=%s&q=%s"%(tk,content) 
#result为json格式
result = open_url(url) 
#print('results:' + result)
if len(content) < 10:
end = result.find("\",") 
if end   4: 
return result[4:end]
else:
result_all = ''
if language == 'de':
result_all = result.split(',null,"de",null,null,')[0].replace('[[', '').replace(']]', ']')[1:]
else:
result_all = result.split(',null,"en",null,null,')[0].replace('[[', '').replace(']]', ']')[1:]
#print('result_all:' + result_all)
output_cn = ''
#解析中文字段并拼接
list = result_all.split('],[')
for i in range(len(list)-1):
end = list[i].find("\",")
tmp_buf = list[i][1:end]
output_cn = output_cn + tmp_buf
return output_cn
def translate_normal(content, language): 
js = Py4Js() 
tk = js.getTk(content)
#print('english:' + content)
cn_buf = translate_core(content,tk, language)
#print('Chinese:' + cn_buf)
return cn_buf
def translate_cn(content, language):
LEN_LIMIT = 4891
all_len = len(content)
print('en:' + content)
if all_len   LEN_LIMIT:
content_cn = ''
while True:
content_limit = content[0:LEN_LIMIT]
limit_end = find_last(content_limit, '.') + 1
#print('limit_end:' + str(limit_end))
if limit_end == 0:
limit_end = find_last(content_limit, ' ') + 1
if limit_end == 0:
limit_end = LEN_LIMIT
content_en = content[0:limit_end]
leave_len = all_len - limit_end
if content_en == '':
break;
#print('content_en:' + content_en)
content_cn = content_cn + translate_normal(content_en, language);
content = content[limit_end:]
return content_cn
else:
return translate_normal(content, language)
#google api, per 1000 words everyday
def translate_cn_api(content):
translator= Translator(to_lang="zh")
translation = translator.translate(content)
return translation
if __name__ == "__main__": 
content = """Beautiful is better than ugly.
Explicit is better than implicit.
Simple is better than complex.
Complex is better than complicated.
Namespaces are one honking great idea -- let's do more of those!"""
#
content = """ 
IT-Grundschutz M5.131: Absicherung von IP-Protokollen unter Windows Server 2003."""
#content = 'High'
content = """Beautiful is better than ugly.
Explicit is better than implicit.
Simple is better than complex.
Complex is better than complicated.
Namespaces are one honking great idea -- let's do more of those!"""
language = 'en'
test = translate_cn(content.replace('\n', ''), language)
print('ok:' + test)
#content = 'Checks version'