def user_is_blacklisted(self, user):
        for blacklisted_user in self.blacklist.get('users', []):
            if re.match(blacklisted_user, user):
                return True
        return False
Perform any needed setup.
dataset/ETHPy150Open saltstack/salt/salt/acl/__init__.py/PublisherACL.user_is_blacklisted--crossover with--dataset/ETHPy150Open saltstack/salt/salt/proxy/chronos.py/init