os x: python get currently logged user

os x: python get currently logged user

#python and system configuration framework
loggedInUser=`python -c 'from SystemConfiguration import SCDynamicStoreCopyConsoleUser; import sys; username = (SCDynamicStoreCopyConsoleUser(None, None, None) or [None])[0]; username = [username,""][username in [u"loginwindow", None, u""]]; sys.stdout.write(username + "\n");'`

# dev console owner (_mbsetup user stable)
stat -f '%Su' /dev/console

# scutil
echo "show State:/Users/ConsoleUser" | scutil

# loginwindow plist (last means last, fails with multiuser sessions)
defaults read /Library/Preferences/com.apple.loginwindow.plist lastUserName

# osascript (_mbsetup user stable)
osascript -e "short user name of (system info)"