Python base64 decode incorrect padding error resolution

Python's Base64.decodestring method does base64 decoding the Times wrong:

The code is as follows:

Traceback (most recent):
File "/export/www/outofmemory.cn/controllers/user.py", line 136, in Decryptpassword
Encryptpwd = Base64.b64decode (encryptpwd)
File "/usr/lib/python2.7/base64.py", line +, in B64decode
Raise TypeError (MSG)
Typeerror:incorrect padding

This is a python pit, the solution to this problem is very simple, the Base64 decoding of the string is equal to the equivalent, the following code:

The code is as follows:

def decode_base64 (data):
"" "Decode base64, padding being optional.

:p Aram Data:base64 data as an ASCII byte string
: Returns:the decoded byte string.

"""
missing_padding = 4-len (data)% 4
If missing_padding:
Data + = b ' = ' * missing_padding
return base64.decodestring (data)

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