Python. Converting a base64 string to string

Question

I'm having a problem converting a string back to another string. (Actually a json object, but I'm thinking I'll first convert it into a string.) The string is in base64. 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 would be one example of such a string. How do I convert this into something useful? I have tried using b = bytearray(a) and binascii.a2b_base64(), which seemed most promosing, however it resulted in a base64 number that looked like the product I wanted, just not as a string.

Does anyone know how to solve this?

Thanks in advance.

score -1 · Answer 1 · answered Dec 12 '21 at 03:21

Just use the base64 module:

import base64
from pprint import pprint

s = "ewogICJ0aW1lc3RhbXAiIDogMTYzOTI3ODI3NTAwMSwKICAicHJvZmlsZUlkIiA6ICJjMzhjYzFhNWM2ZDU0M2Y1YThiMDkyNGNhMTAwZGVmZiIsCiAgInByb2ZpbGVOYW1lIiA6ICJXaW5uaWVUaGVEYW1wb2VoIiwKICAidGV4dHVyZXMiIDogewogICAgIlNLSU4iIDogewogICAgICAidXJsIiA6ICJodHRwOi8vdGV4dHVyZXMubWluZWNyYWZ0Lm5ldC90ZXh0dXJlLzJkODhmMDA3ODZhOGNmYWMxOGVhODFkZjY4M2VkZDA2MGUzMGMwOWY2YzUxZjQyNWExNTc0M2Y3MjA2MWJiYWIiCiAgICB9CiAgfQp9"
decoded = base64.b64decode(s)
pprint(decoded)

(b'{\n  "timestamp" : 1639278275001,\n  "profileId" : "c38cc1a5c6d543f5a8b092'
 b'4ca100deff",\n  "profileName" : "WinnieTheDampoeh",\n  "textures" : {\n    '
 b'"SKIN" : {\n      "url" : "http://textures.minecraft.net/texture/2d88f007'
 b'86a8cfac18ea81df683edd060e30c09f6c51f425a15743f72061bbab"\n    }\n  }\n}')

I get an error message when I try to do this. `TypeError: decode() missing 1 required positional argument: 'output'` — WinnieTheDampoeh, Dec 12 '21 at 10:57

Python. Converting a base64 string to string

1 Answers1