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Viewing changes to scripts/ftpmaster-tools/initialize-from-parent.py

  • Committer: Launchpad Patch Queue Manager
  • Date: 2011-09-19 04:01:37 UTC
  • mfrom: (13970.7.23 port-to-LaunchpadScript)
  • Revision ID: launchpad@pqm.canonical.com-20110919040137-sr8154o9tfptnqir
[r=sinzui][no-qa] Port a dozen scripts to LaunchpadScript,
        removing their direct initZopeless dependency.

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Lines of Context:
scripts/ftpmaster-tools/initialize-from-parent.py
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"""Initialize a new distroseries from its parent series."""
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from optparse import OptionParser
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import sys
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import _pythonpath
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from contrib.glock import GlobalLock
 
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import transaction
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from zope.component import getUtility
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from canonical.config import config
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from canonical.launchpad.scripts import (
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    execute_zcml_for_scripts,
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    logger,
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    logger_options,
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    )
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from canonical.lp import initZopeless
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from lp.app.errors import NotFoundError
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from lp.registry.interfaces.distribution import IDistributionSet
 
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from lp.services.scripts.base import LaunchpadScript, LaunchpadScriptFailure
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from lp.soyuz.scripts.initialize_distroseries import (
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    InitializationError,
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    InitializeDistroSeries,
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    )
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def main():
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    # Parse command-line arguments
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    parser = OptionParser()
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    logger_options(parser)
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    parser.add_option("-N", "--dry-run", action="store_true",
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                      dest="dryrun", metavar="DRY_RUN", default=False,
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                      help="Whether to treat this as a dry-run or not.")
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    parser.add_option("-d", "--distro", dest="distribution", metavar="DISTRO",
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                      default="ubuntu",
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                      help="Distribution name")
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    parser.add_option(
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        "-a", "--arches", dest="arches",
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        help="A comma-seperated list of arches to limit the child "
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        "distroseries to inheriting")
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    (options, args) = parser.parse_args()
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    log = logger(options, "initialize")
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    if len(args) != 1:
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        log.error("Need to be given exactly one non-option argument. "
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                  "Namely the distroseries to initialize.")
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        return 1
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    distroseries_name = args[0]
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    log.debug("Acquiring lock")
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    lock = GlobalLock('/var/lock/launchpad-initialize.lock')
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    lock.acquire(blocking=True)
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    log.debug("Initializing connection.")
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    execute_zcml_for_scripts()
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    ztm = initZopeless(dbuser=config.initializedistroseries.dbuser)
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    try:
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        # 'ubuntu' is the default option.distribution value
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        distribution = getUtility(IDistributionSet)[options.distribution]
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        distroseries = distribution[distroseries_name]
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    except NotFoundError, info:
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        log.error('%s not found' % info)
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        return 1
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    try:
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        log.debug('Check empty mutable queues in parentseries')
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        log.debug('Check for no pending builds in parentseries')
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        log.debug('Copying distroarchseries from parent(s) '
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                      'and setting nominatedarchindep.')
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        arches = ()
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        if options.arches is not None:
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            arches = tuple(options.arches.split(','))
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        ids = InitializeDistroSeries(distroseries, arches=arches)
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        ids.check()
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        log.debug('initializing from parent(s), copying publishing records.')
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        ids.initialize()
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    except InitializationError, e:
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        ztm.abort()
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        log.error(e)
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        return 1
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    if options.dryrun:
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        log.debug('Dry-Run mode, transaction aborted.')
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        ztm.abort()
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    else:
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        log.debug('Committing transaction.')
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        ztm.commit()
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    log.debug("Releasing lock")
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    lock.release()
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    return 0
 
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class InitializeFromParentScript(LaunchpadScript):
 
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    usage = "Usage: %prog [options] <SERIES>"
 
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    def add_my_options(self):
 
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        self.parser.add_option(
 
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            "-N", "--dry-run", action="store_true",
 
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            dest="dryrun", metavar="DRY_RUN", default=False,
 
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            help="Whether to treat this as a dry-run or not.")
 
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        self.parser.add_option(
 
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            "-d", "--distro", dest="distribution",
 
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            metavar="DISTRO", default="ubuntu", help="Distribution name")
 
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        self.parser.add_option(
 
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            "-a", "--arches", dest="arches",
 
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            help="A comma-seperated list of arches to limit the child "
 
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            "distroseries to inheriting")
 
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    def main(self):
 
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        if len(self.args) != 1:
 
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            self.parser.error("SERIES is required")
 
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        distroseries_name = self.args[0]
 
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        try:
 
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            # 'ubuntu' is the default option.distribution value
 
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            distribution = getUtility(IDistributionSet)[
 
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                self.options.distribution]
 
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            distroseries = distribution[distroseries_name]
 
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        except NotFoundError, info:
 
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            raise LaunchpadScriptFailure('%s not found' % info)
 
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        try:
 
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            arches = ()
 
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            if self.options.arches is not None:
 
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                arches = tuple(self.options.arches.split(','))
 
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            ids = InitializeDistroSeries(distroseries, arches=arches)
 
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            self.logger.debug("Checking preconditions")
 
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            ids.check()
 
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            self.logger.debug(
 
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                "Initializing from parent(s), copying publishing records.")
 
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            ids.initialize()
 
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        except InitializationError, e:
 
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            transaction.abort()
 
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            raise LaunchpadScriptFailure(e)
 
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        if self.options.dryrun:
 
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            self.logger.debug('Dry-Run mode, transaction aborted.')
 
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            transaction.abort()
 
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        else:
 
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            self.logger.debug('Committing transaction.')
 
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            transaction.commit()
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if __name__ == '__main__':
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    sys.exit(main())
 
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    script = InitializeFromParentScript(
 
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        'initialize-from-parent', config.initializedistroseries.dbuser)
 
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    script.lock_and_run()