base64

Python converting from base64 to binary Question: I have a problem about converting a base64 encoded string into binary. I am collecting the Fingerprint2D in the following link, url = “https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/108770/property/Fingerprint2D/xml” Fingerprint2D=AAADccB6OAAAAAAAAAAAAAAAAAAAAAAAAAA8WIEAAAAAAACxAAAAHgAACAAADAzBmAQwzoMABgCI AiTSSACCCAAhIAAAiAEMTMgMJibMsZuGeijn4BnI+YeQ0OMOKAACAgAKAABQAAQEABQAAAAAAAAA AA== The descriptiong in the Pubchem says that this is 115 byte string, and it should be 920 bits when converted into …

Why does base64.b64encode() return a bytes object? Question: The purpose of base64.b64encode() is to convert binary data into ASCII-safe “text”. However, the method returns an object of type bytes: >>> import base64 >>> base64.b64encode(b’abc’) b’YWJj’ It’s easy to simply take that output and decode() it, but my question is: what is a significance of base64.b64encode() …

How to decode base64 in python3 Question: I have a base64 encrypt code, and I can’t decode in python3.5 import base64 code = “YWRtaW46MjAyY2I5NjJhYzU5MDc1Yjk2NGIwNzE1MmQyMzRiNzA” # Unencrypt is 202cb962ac59075b964b07152d234b70 base64.b64decode(code) Result: binascii.Error: Incorrect padding But same website(base64decode) can decode it, Please anybody can tell me why, and how to use python3.5 decode it? Thanks Asked By: …

How to parse data-uri in python? Question: HTML image elements have this simplified format: <img src=’something’> That something can be data-uri, for example: data:image/png;base64,iVBORw0KGg… Is there a standard way of parsing this with python, so that I get content_type and base64 data separated, or should I create my own parser for this? Asked By: blueFast …

Read a base 64 encoded image from memory using OpenCv python library Question: I’m working on an app that to do some facial recognition from a webcam stream. I get base64 encoded data uri’s of the canvas and want to use it to do something like this: cv2.imshow(‘image’,img) The data URI looks something like this: …

Converting matplotlib png to base64 for viewing in html template Question: Background Hello, I am trying to make a simple web app, following a tutorial, that calculates a dampened vibration equation and returns a png of the result to the html page after it has been converted to a Base64 string. Problem The app functions …

Remove the new line "n" from base64 encoded strings in Python3? Question: I’m trying to make a HTTPS connection in Python3 and when I try to encode my username and password the base64 encodebytes method returns the encoded value with a new line character at the end “n” and because of this I’m getting an …

Decoding base64 from POST to use in PIL Question: I’m making a simple API in Flask that accepts an image encoded in base64, then decodes it for further processing using Pillow. I’ve looked at some examples (1, 2, 3), and I think I get the gist of the process, but I keep getting an error …

How to encode text to base64 in python Question: I am trying to encode a text string to base64. i tried doing this : name = “your name” print(‘encoding %s in base64 yields = %sn’%(name,name.encode(‘base64′,’strict’))) But this gives me the following error: LookupError: ‘base64’ is not a text encoding; use codecs.encode() to handle arbitrary codecs …

How to convert base64 string to image? Question: I’m converting an image to base64 string and sending it from android device to the server. Now, I need to change that string back to an image and save it in the database. Any help? Asked By: omarsafwany || Source Answers: This should do the trick: image …