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代码如下：
#coding:utf-8 from PIL import Image import pytesseract def test(): im = Image.open(r"pic.gif") vcode = pytesseract.image_to_string(im) print vcode
执行以上代码进行简单验证码识别的时候会抛出一个异常：
Traceback (most recent call last): File "D:\test\vcode.py", line 15, in <module> main() File "D:\test\vcode.py", line 9, in main test() File "D:\test\test.py", line 8, in test vcode = pytesseract.image_to_string(im) File "build\bdist.win32\egg\pytesseract\pytesseract.py", line 143, in image_to_string File "D:\Program Files (x86)\Python\Python27\lib\site-packages\PIL\Image.py", line 1749, in split self.load() File "D:\Program Files (x86)\Python\Python27\lib\site-packages\PIL\ImageFile.py", line 232, in load "(%d bytes not processed)" % len(b)) IOError: image file is truncated (5 bytes not processed)
解决办法是，再添加如下2句代码：
from PIL import ImageFile ImageFile.LOAD_TRUNCATED_IMAGES = True
最终，完整的代码如下：
#coding:utf-8 from PIL import Image import pytesseract from PIL import ImageFile ImageFile.LOAD_TRUNCATED_IMAGES = True def test(): im = Image.open(r"pic.gif") vcode = pytesseract.image_to_string(im) print vcode
关于利用python进行验证码识别的一些想法：http://www.cnblogs.com/xiaowuyi/archive/2012/09/10/2675286.html
python利用pytesser模块实现图片文字识别：http://www.jinglingshu.org/?p=9281
验证码图片字符识别两种python实现方法：http://vipscu.blog.163.com/blog/static/18180837220134234528457/
原文地址：http://www.cnblogs.com/hongfei/p/4436767.html
Python：IOError: image file is truncated 的解决办法
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原文地址：http://www.cnblogs.com/hongfei/p/4436767.html
