[Zope-dev] Re: KGS Site Updated

[Tres Seaver]

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Stephan Richter wrote:
> On Sunday 18 November 2007, Chris McDonough wrote:
>>> 4. A new "minimal/" folder now contains an index just of the
>>> controlled
>>> packages. This minimal index can be used by compoze as one
>>> contributing
>>> index. (I have not tested this yet, can anyone try this and report
>>> how it can
>>> be done?)
>> Very cool, thank you!  I'll try this.
> 
> Great. I would love to get a little write-up on how to use it, so I can put it 
> on the intro page.
> 
>> Note that if the KGS really wants to be a KGS (literally "known good",
>> it's a matter of semantics, not of technology):
> 
> I agree.
> 
>> - An invariant must be met that only one version of each package
>> should be present in the index.
> 
> I disagree. This is not what this means to me. I think a KGS can receive bug 
> fix releases, which the Zope 3.4 KGS does. However, no new feature releases 
> are allowed.
> 
>> - The set is frozen (no packages will be added to or removed from or
>> changed).
> 
> Yep, I agree. No packages will be added or removed for the Zope 3.4 version of 
> the KGS. I will soon add a new Zope-Dev KGS, which is open to new feature 
> releases.
> 
>> The first is true for what we have now neither of the "minimal" set or
>> the set you're calling the "KGS".
> 
> Right. Note that versions-*.cfg and links-*cfg are frozen. I am probably going 
> to freeze minimal/ as have minimal-*/ too. 
> 
>> The second I'm pretty sure is not 
>> true of the thing you're calling the KGS (it still mirrors the
>> cheeseshop regularly), I'm not sure about the intent for the "minimal"
>> set.
> 
> Well, this is a limitation of the current setuptools system.

It's a limitation of buildout, perhaps.  It is possible to use
setuptools with multiple indexes:  'compoze' allows spelling multiple
'-index-url' items on the command line.  E.g.::

  $ bin/compoze fetch --index-url=http://download.zope.org/zope3.4 \
                      --index-url=http://dist.repoze.org/simple \
                      zope.interface

With 'easy_install', you can only specify one '--index-url' per command,
but you can change it each time you run 'easy_install.

> In buildout I can 
> only specify one index, since setuptools can have only one index.

Not so.  You can use multiple PackageIndex objects within a
setuptools-enabled program.

> So it is 
> necessary that I make all packages available in that index and this is what I 
> produce as download.zope.org/zope3.4. But I have explained this multiple 
> times before, so I am not going to repeat the argument any more. Please try 
> buildout and see for yourself.


Tres.
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===================================================================
Tres Seaver          +1 540-429-0999          tseaver at palladion.com
Palladion Software   "Excellence by Design"    http://palladion.com
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