Returns a named tuple containing information about current logged in user.

current_user.py

#!/usr/bin/env python3
"""Current user logged into macOS, shamelessly stealing macmule's get current
logged in user from https://macmule.com/2014/11/19/how-to-get-the-currently-logged-in-user-in-a-more-apple-approved-way/"""
import pwd
import sys

from collections import namedtuple

try:
    from SystemConfiguration import SCDynamicStoreCopyConsoleUser
except ImportError:
    print('pip install pyobjc>=7.3', file=sys.stderr)
    sys.exit(1)


def current_user():
    """Current user logged into macOS"""
    result = None
    CurrentUser = namedtuple('CurrentUser', ['username',
                                             'uid',
                                             'gid',
                                             'home',
                                             'shell'])
    user = (SCDynamicStoreCopyConsoleUser(None, None, None) or [None])

    if user:
        pwddb = pwd.getpwnam(user[0])

        result = CurrentUser(username=user[0],
                             uid=user[1],
                             gid=user[2],
                             home=pwddb.pw_dir,
                             shell=pwddb.pw_shell)

    return result


def main():
    """main"""
    print(current_user())


if __name__ == '__main__':
    main()