[Sridhar]
>> No, it’s register that uploads metadata.
>(was not sent before?)

To me, not to the tracker.

> Ok, that's interesting. Does p7g.install support packages that do not
> register their new releases?
> Setuptools/PIP does by scraping the project home pages.

p7g.pypi.simple uses the screen-scraping PyPI interface called “simple”, but I don’t know if it goes over to home pages to find links.

> Will p7g.install install 0.8.19?
Try it in a shell?

[Dave]
> I'm sorry, but it is simply not true that this is not a solved
> problem.  This is a well-understood problem that's solved

Well, I’m no researcher but I know that there’s still some research ongoing, in particular for upgrades: http://www.mancoosi.org/