[IPOL discuss] Corrected bug in demos archive

[Jean-Michel Morel]

Dear all,
This fix by Miguel is great news : we had it for four years and did
attribute to all sorts of causes including errors in the demo codes.
Thus, congratulations!
Jean-Michel


Jean-Michel Morel
moreljeanmichel at gmail.com

On Tue, Apr 14, 2015 at 4:03 PM, Miguel Colom <
Miguel.Colom at cmla.ens-cachan.fr> wrote:

> Dear all,
> yesterday we corrected a bug in the part of the code of the demo system
> that manages the archive.
> This bug caused that the system thought that the experiment didn't contain
> any image and thus it showed black lines when browsing the archive or when
> looking at some particular examples. You might have seen many of this blank
> lines.
>
> The good news is that the actual data (the images) was in the database, so
> it was possible to recover those blank entries, which now show the missing
> images.
>
> The bug has been corrected and the databases of all demos have been
> rebuilt, so we can consider this problem solved in production.
>
> However, we have many workshops running, which need to be fixed.
>
> To do it, do the following:
> 1) Copy file http://dev.ipol.im/~colom/archive.py in the lib/ directory
> of your demo system in Purple.
> 2) Restart (or stop/start) your demo system.
> 3) In every workshop, upload an image and browse the experiment in the
> archive. In the URL, change "archive" by "archive_admin". A button to
> remove entries will appear. Remove the entry of your experiment. With this,
> your archive will be fixed. Do this for every workshop.
>
> All the best,
> Miguel
>
>
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