On Monday, November 12, 2018 at 9:54:11 PM UTC-6, Edward K. Ream wrote:
*Representing Archived Positions*
>
> *Aha*: ap's should just be dicts. Leo's positions have _childIndex, v
> and stack ivars, where stack entries are tuples of the form (v,
> childIndex). So the *ap dicts* will have the form:
>
> {
> 'childIndex': p._childIndex,
> 'v': p.v.gnx,
> 'stack': [(v.gnx, childIndex) for (v, childIndex) in stack],
> }
>
To this should be added:
'headline': p.h,
This is good for debugging, and perhaps for other uses.
...
> *Redrawing the screen quickly*
>
> When the redraw is requested, *the python side code will know which nodes
> are expanded*. gui.redraw will call app.redraw (also on the python
> side), which will create a serializable *redraw list*.
>
Well, only a fool would use a lisp-like list. cons, cdr, caddr anyone?
Recent revs add app.make_redraw_*dict* and its helpers, including
app.dump_redraw_*dict*. These were even simpler than I had hoped. They
lead to a big Aha, which I'll trumpet in a separate thread.
Edward
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