import buildbot.steps.blocker
class DwBlocker(buildbot.steps.blocker.Blocker):
    def _getBuildStatus(self, botmaster, builderName):
        r = buildbot.steps.blocker.Blocker._getBuildStatus(self, botmaster, builderName)
        if not r and self.idlePolicy == "ignore":
            self.setProperty("needsource","True")
        return r

    def buildsMatch(self, buildStatus1, buildStatus2):
        return \
            buildStatus1.getProperties().has_key('uniquebuildnumber') and \
            buildStatus2.getProperties().has_key('uniquebuildnumber') and \
            buildStatus1.getProperties()['uniquebuildnumber'] == \
            buildStatus2.getProperties()['uniquebuildnumber']

    def start(self):
        r = buildbot.steps.blocker.Blocker.start(self)
        if self.build.getProperties().has_key('needsource') and not self._blocking_builders and self.idlePolicy == "ignore":
            self.step_status.setText('skipped for trigger')
            return buildbot.status.builder.SKIPPED
        return r