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#!/usr/bin/python2.4
# Copyright 2005 Canonical Ltd. All rights reserved.
# This script updates the cached source package information in the system.
# We use this for fast source package searching (as opposed to joining
# through gazillions of publishing tables).
import _pythonpath
from zope.component import getUtility
from canonical.config import config
from canonical.launchpad.interfaces import IDistributionSet
from canonical.launchpad.scripts.base import LaunchpadScript
from canonical.lp import READ_COMMITTED_ISOLATION
class PackageCacheUpdater(LaunchpadScript):
def updateDistroReleaseCache(self, distrorelease):
self.logger.info('%s starting' % distrorelease.name)
distrorelease.updatePackageCount()
self.txn.commit()
distrorelease.removeOldCacheItems(log=self.logger)
self.txn.commit()
distrorelease.updateCompletePackageCache(
ztm=self.txn, log=self.logger)
self.txn.commit()
for arch in distrorelease.architectures:
arch.updatePackageCount()
self.txn.commit()
def main(self):
self.txn.set_isolation_level(READ_COMMITTED_ISOLATION)
self.logger.debug('Starting the sp cache update')
# Do the cache update
distroset = getUtility(IDistributionSet)
for distro in distroset:
for distrorelease in distro.releases:
self.updateDistroReleaseCache(distrorelease)
distro.removeOldCacheItems(log=self.logger)
self.txn.commit()
distro.updateCompleteSourcePackageCache(ztm=self.txn,
log=self.logger)
self.txn.commit()
self.logger.info('%s done' % distro.name)
self.logger.debug('Finished the sp cache update')
if __name__ == '__main__':
script = PackageCacheUpdater('spcache', dbuser=config.statistician.dbuser)
script.lock_and_run()
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