[Python-3000] Misc. thoughts & questions re: xreload

[Guido van Rossum]

You missed that it's a work in progress. I'll come back to it at some point.

On 3/16/07, Phillip J. Eby <pje at telecommunity.com> wrote:
> This is probably one of those cases where I've missed something obvious,
> but shouldn't it be sufficient for xreload() to use reload() to perform the
> central step of running the code in the cleared module dictionary?
>
> There doesn't seem to be any reason to emulate all that reload() machinery,
> and it would then work for any and all importers (not to mention chopping
> out a bunch of code).  I'm also not clear on why the module dictionary even
> needs to be cleared, though it seems reasonable enough.  However, *not*
> clearing it would allow modules to be written so as to accomodate not
> clearing global data structures during reloading, by checking whether the
> structure already exists.
>
> Btw, the _update() function looks like a great place to use that wonderful
> generic function prototype of Guido's, since it would allow developers to
> add extra reloading support for specialty objects, such as say, interfaces.  ;-)
>
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-- 
--Guido van Rossum (home page: http://www.python.org/~guido/)