[tahoe-lafs-trac-stream] [tahoe-lafs] #1896: setuptools will download and use release candidates of dependencies, not just releases

[tahoe-lafs]

#1896: setuptools will download and use release candidates of dependencies, not
just releases
----------------------------------+-----------------------
 Reporter:  davidsarah            |          Owner:
     Type:  defect                |         Status:  new
 Priority:  major                 |      Milestone:  soon
Component:  packaging             |        Version:  1.9.2
 Keywords:  setuptools packaging  |  Launchpad Bug:
----------------------------------+-----------------------
 In a recent build for FreeStorm CentOS6-amd64:
 {{{
 Searching for pyasn1>=0.0.8a
 Reading http://pypi.python.org/simple/pyasn1/
 Reading http://sourceforge.net/projects/pyasn1/
 Found link:
 http://sourceforge.net/projects/pyasn1/files/pyasn1/0.1.6/pyasn1-0.1.6rc0.tar.gz/download
 Found link:
 http://sourceforge.net/projects/pyasn1/files/pyasn1/0.1.5/pyasn1-0.1.5.tar.gz/download
 [...]
 Best match: pyasn1 0.1.6rc0
 Downloading
 http://sourceforge.net/projects/pyasn1/files/pyasn1/0.1.6/pyasn1-0.1.6rc0.tar.gz/download
 error: Can't download
 http://sourceforge.net/projects/pyasn1/files/pyasn1/0.1.6/pyasn1-0.1.6rc0.tar.gz/download:
 503 Service Unavailable
 }}}

 A release candidate should never be a "best match" for a dependency; that
 is just asking for trouble. In this case the build failed because the
 release candidate wasn't actually downloadable, but even if it had been,
 we only want to use releases.

 Related: #1753, #1582, #1220, #1452.

 setuptools delenda est.

-- 
Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/1896>
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