Yet another INDEX builder.

Thierry Thomas thierry at
Fri Sep 29 15:27:01 PDT 2006

Le Ven 29 sep 06 à 19:21:22 +0200, Michel Talon <talon at>
 écrivait :
> Hello,


> i have written yet another index builder in python, which can be found here:
> I think it works relatively well and fast, and can provide building blocks for
> doing a package updater alternative to portupgrade.  Of course, like the
> documentation, it is completely free. I would be happy if some people could
> test it on a real biproc machine, or a machine with fast disks, to see the
> timings (*) one gets. On my machine, a P4 3Ghz, oldish, it takes 23 minutes to
> complete building the INDEX, but the python script doesn't run more than 1
> minute. Everything else is IO, i think. So one cannot expect any performance

It took longer on my P4 3.6GHz:

The tree (15689ports) takes  2789.84287214 seconds to explore.
Now computing the recursively extended dependencies.
Took  3.02815794945 seconds.
Now converting to packages and sorting.
Last phase takes  4.7659368515 seconds.
Total time spent:  2800.94901609 seconds.
python  3024,42s user 2050,37s system 181% cpu 46:41,64 total

- this is not a benchmark, and I was using the machine in the same time;
- I have several local ports or local tweaks which have been reported as
"The port             xxx/yyy is obsolete".

Th. Thomas.
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