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# Copyright 2009 Canonical Ltd. This software is licensed under the
# GNU Affero General Public License version 3 (see the file LICENSE).
# pylint: disable-msg=E0611,W0212
"""Classes to represent a binary package in a distroarchseries."""
__metaclass__ = type
__all__ = [
'DistroArchSeriesBinaryPackage',
]
from storm.locals import Desc
from zope.interface import implements
from canonical.database.sqlbase import sqlvalues
from lp.services.database.lpstorm import IStore
from lp.app.errors import NotFoundError
from lp.services.propertycache import cachedproperty
from lp.soyuz.enums import PackagePublishingStatus
from lp.soyuz.interfaces.distroarchseriesbinarypackage import (
IDistroArchSeriesBinaryPackage,
)
from lp.soyuz.model.binarypackagerelease import BinaryPackageRelease
from lp.soyuz.model.distroarchseriesbinarypackagerelease import (
DistroArchSeriesBinaryPackageRelease,
)
from lp.soyuz.model.publishing import BinaryPackagePublishingHistory
class DistroArchSeriesBinaryPackage:
"""A Binary Package in the context of a Distro Arch Series.
Binary Packages are "magic": they don't really exist in the
database. Instead, they are synthesized based on information from
the publishing and binarypackagerelease tables.
"""
implements(IDistroArchSeriesBinaryPackage)
def __init__(self, distroarchseries, binarypackagename):
self.distroarchseries = distroarchseries
self.binarypackagename = binarypackagename
@property
def name(self):
"""See IDistroArchSeriesBinaryPackage."""
return self.binarypackagename.name
@property
def distroseries(self):
"""See IDistroArchSeries."""
return self.distroarchseries.distroseries
@property
def distribution(self):
"""See IDistroArchSeries."""
return self.distroseries.distribution
@property
def displayname(self):
"""See IDistroArchSeriesBinaryPackage."""
return '%s in %s %s' % (
self.binarypackagename.name,
self.distroarchseries.distroseries.name,
self.distroarchseries.architecturetag)
@property
def title(self):
"""See IDistroArchSeriesBinaryPackage."""
return '"%s" binary package in %s' % (
self.binarypackagename.name, self.distroarchseries.displayname)
@cachedproperty
def cache(self):
"""See IDistroArchSeriesBinaryPackage."""
from lp.soyuz.model.distroseriespackagecache import (
DistroSeriesPackageCache)
query = """
distroseries = %s AND
archive IN %s AND
binarypackagename = %s
""" % sqlvalues(self.distroseries,
self.distribution.all_distro_archive_ids,
self.binarypackagename)
return DistroSeriesPackageCache.selectOne(query)
@property
def summary(self):
"""See IDistroArchSeriesBinaryPackage."""
curr = self.currentrelease
if curr is not None:
return curr.summary
if self.cache is not None:
return self.cache.summary
return None
@property
def description(self):
"""See IDistroArchSeriesBinaryPackage."""
curr = self.currentrelease
if curr is not None:
return curr.description
if self.cache is not None:
return self.cache.description
return None
def __getitem__(self, version):
"""See IDistroArchSeriesBinaryPackage."""
query = """
BinaryPackagePublishingHistory.distroarchseries = %s AND
BinaryPackagePublishingHistory.archive IN %s AND
BinaryPackagePublishingHistory.binarypackagerelease =
BinaryPackageRelease.id AND
BinaryPackageRelease.version = %s AND
BinaryPackageRelease.binarypackagename = %s
""" % sqlvalues(
self.distroarchseries,
self.distribution.all_distro_archive_ids,
version,
self.binarypackagename)
bpph = BinaryPackagePublishingHistory.selectFirst(
query, clauseTables=['binarypackagerelease'],
orderBy=["-datecreated"])
if bpph is None:
return None
return DistroArchSeriesBinaryPackageRelease(
distroarchseries=self.distroarchseries,
binarypackagerelease=bpph.binarypackagerelease)
@property
def releases(self):
"""See IDistroArchSeriesBinaryPackage."""
ret = BinaryPackageRelease.select("""
BinaryPackagePublishingHistory.distroarchseries = %s AND
BinaryPackagePublishingHistory.archive IN %s AND
BinaryPackagePublishingHistory.binarypackagerelease =
BinaryPackageRelease.id AND
BinaryPackageRelease.binarypackagename = %s
""" % sqlvalues(
self.distroarchseries,
self.distribution.all_distro_archive_ids,
self.binarypackagename),
orderBy='-datecreated',
distinct=True,
clauseTables=['BinaryPackagePublishingHistory'])
result = []
versions = set()
for bpr in ret:
if bpr.version not in versions:
versions.add(bpr.version)
darbpr = DistroArchSeriesBinaryPackageRelease(
distroarchseries=self.distroarchseries,
binarypackagerelease=bpr)
result.append(darbpr)
return result
@property
def currentrelease(self):
"""See IDistroArchSeriesBinaryPackage."""
releases = BinaryPackageRelease.select("""
BinaryPackageRelease.binarypackagename = %s AND
BinaryPackageRelease.id =
BinaryPackagePublishingHistory.binarypackagerelease AND
BinaryPackagePublishingHistory.distroarchseries = %s AND
BinaryPackagePublishingHistory.archive IN %s AND
BinaryPackagePublishingHistory.status = %s
""" % sqlvalues(
self.binarypackagename,
self.distroarchseries,
self.distribution.all_distro_archive_ids,
PackagePublishingStatus.PUBLISHED),
orderBy='-datecreated',
limit=1,
distinct=True,
clauseTables=['BinaryPackagePublishingHistory'])
# Listify to limit the SQL queries to one only.
results = list(releases)
if len(results) == 0:
return None
return DistroArchSeriesBinaryPackageRelease(
distroarchseries=self.distroarchseries,
binarypackagerelease=results[0])
@property
def publishing_history(self):
"""See IDistroArchSeriesBinaryPackage."""
return IStore(BinaryPackagePublishingHistory).find(
BinaryPackagePublishingHistory,
BinaryPackageRelease.binarypackagename == self.binarypackagename,
BinaryPackagePublishingHistory.distroarchseries ==
self.distroarchseries,
BinaryPackagePublishingHistory.archiveID.is_in(
self.distribution.all_distro_archive_ids),
BinaryPackagePublishingHistory.binarypackagereleaseID ==
BinaryPackageRelease.id).config(distinct=True).order_by(
Desc(BinaryPackagePublishingHistory.datecreated))
@property
def current_published(self):
"""See IDistroArchSeriesBinaryPackage."""
current = BinaryPackagePublishingHistory.selectFirst("""
BinaryPackagePublishingHistory.distroarchseries = %s AND
BinaryPackagePublishingHistory.archive IN %s AND
BinaryPackagePublishingHistory.binarypackagerelease =
BinaryPackageRelease.id AND
BinaryPackageRelease.binarypackagename = %s AND
BinaryPackagePublishingHistory.status = %s
""" % sqlvalues(
self.distroarchseries,
self.distribution.all_distro_archive_ids,
self.binarypackagename,
PackagePublishingStatus.PUBLISHED),
clauseTables=['BinaryPackageRelease'],
orderBy='-datecreated')
if current is None:
raise NotFoundError("Binary package %s not published in %s/%s"
% (self.binarypackagename.name,
self.distroarchseries.distroseries.name,
self.distroarchseries.architecturetag))
return current
@property
def distro_source_package(self):
"""See `IDistroArchSeriesBinaryPackage`."""
# We provide a source package iff we have a current release
# with a source package release.
current_release = self.currentrelease
if current_release is None:
return None
src_pkg_release = current_release.distributionsourcepackagerelease
if src_pkg_release is None:
return None
else:
return src_pkg_release.sourcepackage
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