AttributeError：...对象没有属性'更新'

Question

我有以下代码来从URL列表中下载HTML内容。每当我跑我得到它，说：“回溯（最近通话最后一个）的错误：

File "*******", line 16, in <module> 
    **hashMessage = computeMD5(url)** 

    File "*******", line 13, in computeMD5 
    **m.update(message)** 

*AttributeError: 'builtin_function_or_method' object has no attribute 'update'* 

这里是代码：

import hashlib 
    from hashlib import md5 
    import os 

    fh = open("****.txt", 'r') 

    for line in fh: 
     url = line 
     url = url.replace('\n', '') 

     def computeMD5(message): 
      m = hashlib.md5 
      m.update(message) 
      return m.hexdigest() 

     hashMessage = computeMD5(url) 
     print hashMessage 

     os.system(" wget -O /desktop/Html" + hashMessage + ".txt " + url) 

我怎样才能解决这个

Answer 1

你？ 。试图调用一个功能，而不是物体的方法改为调用：

import hashlib 
from hashlib import md5 
import os 

fh = open("****.txt", 'r') 

for line in fh: 
    url = line 
    url = url.replace('\n', '') 

    def computeMD5(message): 
     m = hashlib.md5() # instead of m = hashlib.md5 
     m.update(message) 
     return m.hexdigest() 

    hashMessage = computeMD5(url) 
    print hashMessage 

    os.system(" wget -O /desktop/Html" + hashMessage + ".txt " + url)