start.py 文件源码

def _try_run_as_postgres(self):
        if platform.UNIX and os.getegid() == 0:
            try:
                import pwd
                uid = pwd.getpwnam('postgres').pw_uid
                os.seteuid(uid)
                return True
            except Exception as e:
                sys.stderr.write("Failed run as postgres: {0}\n".format(e))
                pass
        return False