Pythonbase64decodeincorrectpadding error solution

Source: Internet
Author: User
This article mainly introduces how to solve the pythonbase64decodeincorrectpadding error. This article uses the string-filled equal sign method to solve this error. if you need a friend, refer to the python base64.decodestring method to perform base64 decoding and report an error:

The code is as follows:


Traceback (most recent call last ):
File "/export/www/outofmemory.cn/controllers/user.py", line 136, in decryptPassword
EncryptPwd = base64.b64decode (encryptPwd)
File "/usr/lib/python2.7/base64.py", line 76, in b64decode
Raise TypeError (msg)
TypeError: Incorrect padding


This is also a pitfall of python. the solution to this problem is very simple. you can complete the equal sign for the string decoded by base64, as shown in the following code:

The code is as follows:


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

: Param 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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