TOTP CLI generator

totp

#!/usr/bin/env python

# put this file in your $PATH to generate TOTP from command line (don't forget to `chmod +x`)

import os
import sys
import pyotp
import pyperclip

try:
    TOTP_SECRET_FILE = os.path.expanduser(sys.argv[1])
except IndexError:
    sys.stderr.write(f"Usage: {sys.argv[0]} /path/to/base32_totp_secret\n")
    exit(1)
totp = pyotp.TOTP(open(TOTP_SECRET_FILE).read()).now()
pyperclip.copy(totp)
print(totp)