[Python-Dev] Stackless Python (original) (raw)

Bob Ippolito bob at redivi.com
Mon May 31 23:00:29 EDT 2004

On May 31, 2004, at 10:51 PM, Phillip J. Eby wrote:

At 08:49 PM 5/31/04 -0400, Bob Ippolito wrote:

On May 31, 2004, at 8:37 PM, Phillip J. Eby wrote:

At 02:09 AM 6/1/04 +0200, Christian Tismer wrote: Anyway, I don't really get the point. 95% of Stackless is doing soft-switched stackless calls. Behavior is completely controllable. We can easily avoid any special C stack operation, by setting a flag that disallows it (easy to implement) or by excluding the hard switching stuff, completely (not an option now, but easy, too).

If soft-switching is portable (i.e. pure C, no assembly), and is exposed as a library module (so that Jython et al can avoid supporting it), then perhaps a PEP for adding that functionality to mainstream Python would be meaningful. Soft switching needs to be implemented in a few key places of the interpreter itself or else Stackless would surely have been maintained as an extension module. I'm aware of this, which is why I said "exposed" as a library module, not "implemented" as one. :)

Oh, it is already exposed as a module (named stackless)... but it's implemented as a built-in module, like sys or os.

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