[pydotorg-www] Proposal: dev.pypi.python.org

Michael Foord mfoord at python.org
Mon Apr 4 11:34:52 CEST 2011

On 04/04/2011 03:01, Richard Jones wrote:
> On Mon, Apr 4, 2011 at 9:14 AM, "Martin v. Löwis"<martin at v.loewis.de>  wrote:
>>> That sounds awesome, especially for testing tools that have to interact
>>> with pypi.
>> Actually, for testing tools, I think the requirements are quite
>> different: you want concurrent runs of the same test case on multiple
>> machines, so you need to make sure they don't collide.
>> So for that use case, I rather suggest to setup an installation that
>> allows dynamic creation of PyPI instances, each one good for only an
>> hour. Their URLs would be test.pypi.python.org/<generatedid>.
> I believe such tests should be run against a mocked PyPI so the test
> has complete control over responses and error cases.

For integration level tests running against a mocked server is fine. 
However if pypi behaviour changes your mocks won't reflect that, so your 
tests could be passing but your code broken. For functional level tests 
you ideally want to run against a  *real* implementation of pypi - 
preferably local (and under your control) but having a dev server to run 
against would be the next best thing.

All the best,


> I believe there's general agreement that a dev.pypi.python.org is a
> good idea. We just need to figure out the details. I'll take the
> technical discussion offline with Martin unless there's any
> objections? No, I'm not writing a PEP for it (unless someone from the
> PSF Infrastructure Committee requires it).
>        Richard
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