authentik/passbook/sources/oauth/utils.py

"""OAuth Client User Creation Utils"""

from django.db.utils import IntegrityError

from passbook.core.models import User


def user_get_or_create(**kwargs):
    """Create user or return existing user"""
    try:
        new_user = User.objects.create_user(**kwargs)
    except IntegrityError:
        # At this point we've already checked that there is no existing connection
        # to any user. Hence if we can't create the user,
        kwargs['username'] = '%s_1' % kwargs['username']
        new_user = User.objects.create_user(**kwargs)
    return new_user