[BangPypers] magic in datetime module?

[Anand Chitipothu]

>    web.py is a great framework, but this is bad coding for sure.
>   I guess you need to do some hack like,
>
>     oldbuiltins=__builtins__
>     __builtins__ = {}
>
>    Then before calling code that breaks,
>     __builtins__ = oldbuiltins
>
>      <call breaking code here>
>
>  But this is damn ugly and if it were me, I would investigate other
>  options whch doesn't force me to put __builtins__ to {} in my
>  code. I don't know details enough to advise you on this
>  specifically in this case.

Not really!
What it does is something like this:

code = generate_code(template)
env = {'__builtins__': custom_builtins}
exec(code, env)