一. 问题:

在写调用谷歌翻译接口的脚本时,老是报错,我使用的的是googletrans这个模块中Translator的translate方法,程序运行以后会报访问超时错误:

Traceback (most recent call last): File "E:/PycharmProjects/MyProject/Translate/translate_test.py", line 3, in <module> result=translator.translate('"D:\python3\lib\site-packages\googletrans\client.py", line 182, in translate data = self._translate(text, dest, src, kwargs) File "D:\python3\lib\site-packages\googletrans\client.py", line 78, in _translate token = self.token_acquirer.do(text) File "D:\python3\lib\site-packages\googletrans\gtoken.py", line 194, in do self._update() File "D:\python3\lib\site-packages\googletrans\gtoken.py", line 54, in _update r = self.client.get(self.host) File "D:\python3\lib\site-packages\httpx\_client.py", line 763, in get timeout=timeout, File "D:\python3\lib\site-packages\httpx\_client.py", line 601, in request request, auth=auth, allow_redirects=allow_redirects, timeout=timeout, File "D:\python3\lib\site-packages\httpx\_client.py", line 621, in send request, auth=auth, timeout=timeout, allow_redirects=allow_redirects, File "D:\python3\lib\site-packages\httpx\_client.py", line 648, in send_handling_redirects request, auth=auth, timeout=timeout, history=history File "D:\python3\lib\site-packages\httpx\_client.py", line 684, in send_handling_auth response = self.send_single_request(request, timeout) File "D:\python3\lib\site-packages\httpx\_client.py", line 719, in send_single_request timeout=timeout.as_dict(), File "D:\python3\lib\site-packages\httpcore\_sync\connection_pool.py", line 153, in request method, url, headers=headers, stream=stream, timeout=timeout File "D:\python3\lib\site-packages\httpcore\_sync\connection.py", line 65, in request self.socket = self._open_socket(timeout) File "D:\python3\lib\site-packages\httpcore\_sync\connection.py", line 86, in _open_socket hostname, port, ssl_context, timeout File "D:\python3\lib\site-packages\httpcore\_backends\sync.py", line 139, in open_tcp_stream return SyncSocketStream(sock=sock) File "D:\python3\lib\contextlib.py", line 130, in __exit__ self.gen.throw(type, value, traceback) File "D:\python3\lib\site-packages\httpcore\_exceptions.py", line 12, in map_exceptions raise to_exc(exc) from None httpcore._exceptions.ConnectTimeout: timed out

二. 解决方法:

 1.寻找解决方法

经过多方资料查找,最后才知道google翻译对接口进行了更新,之前用的googletrans已经不能用了。但是网上大神已经开发出了新的方法

https://github.com/lushan88a/google_trans_new

在此道一声感谢!

2.使用解决方法

在cmd中输入以下指令即可。

pip install google_trans_new

三. 代码(优化)

from google_trans_new import google_translator
from multiprocessing.dummy import Pool as ThreadPool
import time
import re
"""
此版本调用最新版google_trans_new
使用多线程访问谷歌翻译接口
能够翻译len(text)>5000的文本
"""
class Translate(object):
 def __init__(self):
 	#初始化翻译文本路径以及翻译目标语言
  self.txt_file='./test.txt'
  self.aim_language='zh-CN'
  
	#读入要翻译的文本文件
 def read_txt(self):
  with open(self.txt_file, 'r',encoding='utf-8')as f:
   txt = f.readlines()
  return txt
	
	#进行文本处理,此为优化
 def cut_text(self,text):
  #如果只是一行,就切割成5000字一次来翻译
  if len(text)==1:
   str_text = ''.join(text).strip()
   #筛选是一行但是文本长度大于5000
   if len(str_text)>5000:
    #使用正则表达式切割超长文本为5000一段的短文本
    result = re.findall('.{5000}', str_text)
    return result
   else:
    #如果文本为一行但是这一行文本长度小于5000,则直接返回text
    return text
   """
   如果不止一行,加以判断
    (1)每行字符数都小于5000
   (2)有的行字符数小于5000,有的行字符数大于5000
   """
  else:
   result = []
   for line in text:
    #第(1)种情况
    if len(line)<5000:
     result.append(line)
    else:
     # 第(2)种情况,切割以后,追加到列表中
     cut_str=re.findall('.{5000}', line)
     result.extend(cut_str)
   return result

 def translate(self,text):
  if text:
   aim_lang = self.aim_language
   try:
	   t = google_translator(timeout=10)
	   translate_text = t.translate(text, aim_lang)
	   print(translate_text)
	   return translate_text
   except Exception as e:
    print(e)

def main():
 time1=time.time()
 #开启八条线程
 pool = ThreadPool(8)
 trans = Translate()
 txt = trans.read_txt()
 texts = trans.cut_text(txt)
 try:
  pool.map(trans.translate, texts)
 except Exception as e:
  raise e
 pool.close()
 pool.join()
 time2 = time.time()
 print("一共翻译了 {} 个句子,消耗了 {:.2f} s".format(len(texts),time2 - time1))

if __name__ == "__main__" :
 main()

测试文本我放在了:http://xiazai.jb51.net/202012/yuanma/test.rar

可自行下载。

四. 运行结果

python3 googletrans超时报错问题及翻译工具优化方案 附源码

五. 总结

本篇首先解决了调用googletrans模块的报错问题,然后使用新的google翻译模块编写了代码,并且解决了我这篇文章中翻译文本长度不能大于5000的问题。

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