Secrets should be useful; might as well be colorful too. Reads screenshots of your totp setup QR code

qrotp.py

#!/usr/bin/env python3

# apt install zbar-tools
# pip install pyzbar
# pip install pillow
# pip install pyotp

import os, sys
#from urllib.parse import urlparse, parse_qs
from datetime import datetime
from time import mktime

from PIL import Image

import pyotp
from pyzbar.pyzbar import decode

class color:
    PURPLE = '\033[95m'
    CYAN = '\033[96m'
    DARKCYAN = '\033[36m'
    BLUE = '\033[94m'
    GREEN = '\033[92m'
    YELLOW = '\033[93m'
    RED = '\033[91m'
    BOLD = '\033[1m'
    UNDERLINE = '\033[4m'
    END = '\033[0m'

for f in sys.argv[1:]:
    for decodeQR in decode(Image.open(os.path.expanduser(f))):
        uri = decodeQR.data.decode('ascii')
        #secret = parse_qs(urlparse(uri).query)['secret'][0]
        #print(pyotp.TOTP(secret).now())
        otp = pyotp.parse_uri(uri)
        #print(otp.provisioning_uri())
        print('{otp.issuer} {otp.name}: {color.BOLD}{color.GREEN}{code}{color.END} (exp: {expires})'.format(
                  code=otp.now(), otp=otp, color=color,
                  expires=otp.interval - int(mktime(datetime.today().timetuple()) % otp.interval)
        ))