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= Distro Series Binary Packages =
A DistroSeriesBinaryPackage is really a BinaryPackageName for a particular
DistroSeries. That is, it doesn't represent a particular package release or
architecture, but is a reference point for obtaining particular package
releases and/or architectures for a given binary package name within a
specific distribution series.
>>> from zope.component import getUtility
>>> from lp.soyuz.model.binarypackagename import (
... BinaryPackageName)
>>> from lp.registry.interfaces.distribution import IDistributionSet
A DistroSeriesBinaryPackage is normally accessed via a Distro
Series:
>>> ubuntu = getUtility(IDistributionSet)['ubuntu']
>>> firefox_bin_name = BinaryPackageName.selectOneBy(
... name="mozilla-firefox")
>>> firefox_dsbp = ubuntu['warty'].getBinaryPackage(firefox_bin_name)
It has a name, summary, description and title:
>>> print firefox_dsbp.name
mozilla-firefox
>>> print firefox_dsbp.summary
Mozilla Firefox Web Browser
>>> print firefox_dsbp.description
Mozilla Firefox Web Browser is .....
>>> print firefox_dsbp.title
Binary package "mozilla-firefox" in ubuntu warty
>>> print firefox_dsbp.distribution.name
ubuntu
It provides the current publishings for the binary package in the
distro series (ordered by architecture then datecreated):
>>> for published in firefox_dsbp.current_publishings:
... print "%s %s in %s" % (
... published.distroarchseriesbinarypackagerelease.name,
... published.distroarchseriesbinarypackagerelease.version,
... published.distroarchseries.architecturetag)
mozilla-firefox 0.9 in hppa
mozilla-firefox 0.9 in i386
mozilla-firefox 1.0 in i386
The last published binary can also be accessed directly:
>>> last_published = firefox_dsbp.last_published
>>> "%s %s" % (last_published.name, last_published.version)
u'mozilla-firefox 1.0'
It also provides access to the last DistroSeriesSourcePackageRelease:
>>> print firefox_dsbp.last_sourcepackagerelease.title
"iceweasel" 1.0 source package in The Warty Warthog Release
If a DistroSeriesBinaryPackage doesn't have a DistroSeriesPackageCache,
then the summary and description fields reflect the situation:
>>> firefox_hoary_dsbp = ubuntu['hoary'].getBinaryPackage(
... firefox_bin_name)
>>> firefox_hoary_dsbp.summary
u'No summary available for mozilla-firefox in ubuntu hoary.'
>>> firefox_hoary_dsbp.description
u'No description available for mozilla-firefox in ubuntu hoary.'
If a DistroSeriesBinaryPackage doesn't have a publishing history (for
whatever reason), then last_published returns None.
>>> firefox_hoary_dsbp.current_publishings
[]
>>> print firefox_hoary_dsbp.last_published
None
In this case, the last DistroSeriesSourcePackageRelease will also be None:
>>> print firefox_hoary_dsbp.last_sourcepackagerelease
None
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