[Zope-dev] [Fwd: [Bug 343079] [NEW] Broken distribution (2009-03-15)]

[Andreas Jung]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On 16.03.2009 17:40 Uhr, Hanno Schlichting wrote:
> Tres Seaver wrote:
>> Andreas Jung wrote:
>>> Please look at the getPackages() method taking the version*cfg files
>>> into account. So all versions should be pinned. However there is
>>> obviously a difference between using buildout with pinned versions
>>> and setuptools or a small undetected hole in the process.
>> The issue must be that one of the "pinned" dependencies
>> (zope.publisher?) has an unpinned dependency (maybe transitively?) which
>>  requires a newer version of zope.component.
> 
> What I think is more likely to have happened here is:
> 
> An additional package (like one under development) was installed first.
> This depends on some zope.foo package (maybe zope.publisher) which wants
> zope.component 3.6. setuptools goes and fetches the latest version of
> all of these. Now later on the Zope2 egg is put into the environment and
> requires zope.component 3.5.1 - result VersionConflict.

Not sure about this theory - I can reproduce the version mismatch with
an almost plain Python 2.5 installation - especially it is reproducable
within a virtualenv --no-site-package environment. On the other hand: I
can not reproduce this error on my Linux box with a Python 2.4
installation with pretty large site-packages dir :->


> 
> Setuptools loads packages and puts them into the environment as it finds
> them. It doesn't build a full tree of dependencies first. This is what
> pip adds for example.

pip produces the same result.

Andreas
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.9 (Darwin)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/

iEYEARECAAYFAkm+h60ACgkQCJIWIbr9KYypHACcCtI1h5fwXO9RFq1gO28J9rQr
Y/4AnifSSIuNRHW6Chim7KRxOvtWZvL3
=fpxY
-----END PGP SIGNATURE-----
-------------- next part --------------
A non-text attachment was scrubbed...
Name: lists.vcf
Type: text/x-vcard
Size: 316 bytes
Desc: not available
Url : http://mail.zope.org/pipermail/zope-dev/attachments/20090316/932321a8/attachment-0001.vcf