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How to use _choose_group_to_run method in autotest

Best Python code snippet using autotest_python

scheduler_models.py

Source:scheduler_models.py

...1031                self.id, [entry.host.hostname for entry in queue_entries],1032                group_subdir_name)1033        for queue_entry in queue_entries:1034            queue_entry.set_execution_subdir(group_subdir_name)1035    def _choose_group_to_run(self, include_queue_entry):1036        """1037        @returns A tuple containing a list of HostQueueEntry instances to be1038                used to run this Job, a string group name to suggest giving1039                to this job in the results database.1040        """1041        chosen_entries = [include_queue_entry]1042        num_entries_wanted = self.synch_count1043        num_entries_wanted -= len(chosen_entries)1044        if num_entries_wanted > 0:1045            where_clause = 'job_id = %s AND status = "Pending" AND id != %s'1046            pending_entries = list(HostQueueEntry.fetch(1047                     where=where_clause,1048                     params=(self.id, include_queue_entry.id)))1049            # Sort the chosen hosts by hostname before slicing.1050            def cmp_queue_entries_by_hostname(entry_a, entry_b):1051                return Host.cmp_for_sort(entry_a.host, entry_b.host)1052            pending_entries.sort(cmp=cmp_queue_entries_by_hostname)1053            chosen_entries += pending_entries[:num_entries_wanted]1054        # Sanity check.  We'll only ever be called if this can be met.1055        if len(chosen_entries) < self.synch_count:1056            message = ('job %s got less than %s chosen entries: %s' % (1057                    self.id, self.synch_count, chosen_entries))1058            logging.error(message)1059            email_manager.manager.enqueue_notify_email(1060                    'Job not started, too few chosen entries', message)1061            return []1062        self._assign_new_group(chosen_entries)1063        return chosen_entries1064    def run_if_ready(self, queue_entry):1065        """1066        Run this job by kicking its HQEs into status='Starting' if enough1067        hosts are ready for it to run.1068        Cleans up by kicking HQEs into status='Stopped' if this Job is not1069        ready to run.1070        """1071        if not self.is_ready():1072            self.stop_if_necessary()1073        else:1074            self.run(queue_entry)1075    def request_abort(self):1076        """Request that this Job be aborted on the next scheduler cycle."""1077        self.model().abort()1078    def run(self, queue_entry):1079        """1080        @param queue_entry: The HostQueueEntry instance calling this method.1081        """1082        queue_entries = self._choose_group_to_run(queue_entry)1083        if queue_entries:1084            self._finish_run(queue_entries)1085    def _finish_run(self, queue_entries):1086        for queue_entry in queue_entries:1087            queue_entry.set_status(models.HostQueueEntry.Status.STARTING)1088    def __str__(self):...

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