Chooser (username entry on django command line)

gistfile1.py

from django.contrib.auth.models import User

# assumes an already logged in user, 
# with their username captured in a variable

target_user = chooser(raw_input("enter the username that will own the slideshow being created. Press Enter for %s " % username), username)


def chooser(anotherUser, me, inception = 0):
    """ Given raw input and an already authenticated user, returns a valid user name 
        or the already logged in user """
    # inception is to keep track of recursive calls to chooser
    if anotherUser != '':
        try:
            usr = User.objects.get(username=anotherUser)
        except User.DoesNotExist:
            print 'ALERT: User with username %s not found' % anotherUser
            anotherTry = raw_input('Try another username? (Press Enter for %s) > ' % me)
            usr = chooser(anotherTry, me, inception + 1)
    else:
        usr = User.objects.get(username=me)
    if inception == 0:
        print 'Returning %s for user %s' % (usr.id, usr.username)
    return usr