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Re: Creating a reliable sandboxed Python environment

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On Sat, May 30, 2015 at 4:33 AM, Paul Rubin <no.email@nospam.invalid> wrote:
> Chris Angelico <rosuav@gmail.com> writes:
>> Looks to me as if Lua doesn't have integers at all
>
> They fixed that in Lua 5.3:
>
>   http://www.lua.org/manual/5.3/readme.html#changes

That's 64-bit integers, not arbitrary-precision, but that's something
at least. You do still need to worry about what happens when your
numbers get too big; in Python, you simply don't. So it's still not
quite there in terms of functionality.

>> Likewise, eight-bit strings, not Unicode.
>
> Also fixed in 5.3 (basic utf-8 support added, per above).

This is definitely NOT what I'm talking about. From what I can see,
5.3 introduces a new library for working with strings of bytes as if
they were UTF-8. That's on par with PHP's Unicode support - basically,
nothing that isn't explicitly coded. It makes Unicode something that
you tack on with resignation, rather than something that's just an
automatic part of text handling. So, a long way from being there in
functionality.

Do you see what I mean about functionality being sacrificed for
security? There is no way that this could be called fully functional
by comparison with Python.

ChrisA

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Thread

Creating a reliable sandboxed Python environment davidfstr@gmail.com - 2015-05-25 19:24 -0700
  Re: Creating a reliable sandboxed Python environment Chris Angelico <rosuav@gmail.com> - 2015-05-26 12:44 +1000
  Re: Creating a reliable sandboxed Python environment Paul Rubin <no.email@nospam.invalid> - 2015-05-25 23:17 -0700
  Re: Creating a reliable sandboxed Python environment Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-26 17:10 +1000
    Re: Creating a reliable sandboxed Python environment Laura Creighton <lac@openend.se> - 2015-05-26 09:53 +0200
    Re: Creating a reliable sandboxed Python environment Laura Creighton <lac@openend.se> - 2015-05-26 10:02 +0200
  Re: Creating a reliable sandboxed Python environment Ned Batchelder <ned@nedbatchelder.com> - 2015-05-26 03:21 -0700
  Re: Creating a reliable sandboxed Python environment marco.nawijn@colosso.nl - 2015-05-26 05:01 -0700
  Re: Creating a reliable sandboxed Python environment davidfstr@gmail.com - 2015-05-28 09:34 -0700
    Re: Creating a reliable sandboxed Python environment Paul Rubin <no.email@nospam.invalid> - 2015-05-30 20:13 -0700
  Re: Creating a reliable sandboxed Python environment Stefan Behnel <stefan_ml@behnel.de> - 2015-05-28 20:41 +0200
  Re: Creating a reliable sandboxed Python environment Chris Angelico <rosuav@gmail.com> - 2015-05-29 04:51 +1000
    Re: Creating a reliable sandboxed Python environment Paul Rubin <no.email@nospam.invalid> - 2015-05-29 11:30 -0700
      Re: Creating a reliable sandboxed Python environment Marko Rauhamaa <marko@pacujo.net> - 2015-05-29 22:12 +0300
        Re: Creating a reliable sandboxed Python environment Paul Rubin <no.email@nospam.invalid> - 2015-05-29 13:15 -0700
  Re: Creating a reliable sandboxed Python environment Stefan Behnel <stefan_ml@behnel.de> - 2015-05-29 08:18 +0200
  Re: Creating a reliable sandboxed Python environment Chris Angelico <rosuav@gmail.com> - 2015-05-29 17:41 +1000
    Re: Creating a reliable sandboxed Python environment Paul Rubin <no.email@nospam.invalid> - 2015-05-29 11:33 -0700
      Re: Creating a reliable sandboxed Python environment Chris Angelico <rosuav@gmail.com> - 2015-05-30 08:49 +1000
        Re: Creating a reliable sandboxed Python environment Paul Rubin <no.email@nospam.invalid> - 2015-05-29 18:28 -0700
          Re: Creating a reliable sandboxed Python environment Chris Angelico <rosuav@gmail.com> - 2015-05-30 12:42 +1000
            Re: Creating a reliable sandboxed Python environment Paul Rubin <no.email@nospam.invalid> - 2015-05-29 21:48 -0700
              Re: Creating a reliable sandboxed Python environment Steven D'Aprano <steve@pearwood.info> - 2015-05-30 19:00 +1000
                Re: Creating a reliable sandboxed Python environment Laura Creighton <lac@openend.se> - 2015-05-30 13:24 +0200
                Re: Creating a reliable sandboxed Python environment Steven D'Aprano <steve@pearwood.info> - 2015-05-31 09:52 +1000
                Re: Creating a reliable sandboxed Python environment Modulok <modulok@gmail.com> - 2015-05-30 19:08 -0600
                Re: Creating a reliable sandboxed Python environment Laura Creighton <lac@openend.se> - 2015-05-31 08:14 +0200
                Re: Creating a reliable sandboxed Python environment Stefan Behnel <stefan_ml@behnel.de> - 2015-05-30 20:42 +0200
                Re: Creating a reliable sandboxed Python environment Paul Rubin <no.email@nospam.invalid> - 2015-05-30 13:00 -0700
                Re: Creating a reliable sandboxed Python environment Chris Angelico <rosuav@gmail.com> - 2015-05-31 08:20 +1000
                Re: Creating a reliable sandboxed Python environment Paul Rubin <no.email@nospam.invalid> - 2015-05-30 15:36 -0700
                Re: Creating a reliable sandboxed Python environment Laura Creighton <lac@openend.se> - 2015-05-30 22:54 +0200
        Re: Creating a reliable sandboxed Python environment BartC <bc@freeuk.com> - 2015-05-30 13:06 +0100
          Re: Creating a reliable sandboxed Python environment Chris Angelico <rosuav@gmail.com> - 2015-05-30 22:37 +1000
  Re: Creating a reliable sandboxed Python environment Stefan Behnel <stefan_ml@behnel.de> - 2015-05-29 11:23 +0200
  Re: Creating a reliable sandboxed Python environment Chris Angelico <rosuav@gmail.com> - 2015-05-29 19:38 +1000
  Re: Creating a reliable sandboxed Python environment Laura Creighton <lac@openend.se> - 2015-05-29 11:56 +0200

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