[Python-Dev] doc for new restricted execution design for Python (original) (raw)

Brett Cannon brett at python.org
Wed Jun 28 22:33:39 CEST 2006

On 6/28/06, Trent Mick <trentm at activestate.com> wrote:

Brett Cannon wrote: > > > The idea is that there be a separate Python interpreter per web > > > browser page instance. > > > I think there may be scaling issues there. JavaScript isn't doing that > > is it, do you know? As well, that doesn't seem like it would translate > > well to sharing execution between separate chrome windows in a > > non-browser XUL/Mozilla-based app. > > And if you don't think it is going to scale, how do you think it should > be done? That was an ignorant response (I haven't read what you've suggested and really though about it). Sorry for the unsubstantiated babbling. To Bob's question on how much interpreter state is there: I don't know. Have you done any measuring of that, Brett?

Not yet; as of right now I just want a coherent security model since this whole idea is dead in the water without it. But I do know that interpreters are basically execution stack, a new sys module, and a new sys.modules. It isn't horrendously heavy. And C extension modules are shared between them.

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