def create_db(self):
self.add_role(self.auth_role_admin)<EOL>self.add_role(self.auth_role_public)<EOL>if self.count_users() == <NUM_LIT:0>:<EOL><INDENT>log.warning(LOGMSG_WAR_SEC_NO_USER)<EOL><DEDENT>
Setups the DB, creates admin and public roles if they don't exist.