1) patch attached, dunno how I missed it, thank you.

3) I work for Red Hat
additional interest for example here http://seclists.org/oss-sec/2015/q1/785

2) It exists but it is not system wide, I would like to provide users option to opt-in or opt-out without interfering with code. There are many of users who rely on python and not all of them are programmers.