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How to use _get_metahost_counts method in autotest

Best Python code snippet using autotest_python

rpc_utils.py

Source:rpc_utils.py

...268            fp.close()269    except:270        pass271    return text272def _get_metahost_counts(metahost_objects):273    metahost_counts = {}274    for metahost in metahost_objects:275        metahost_counts.setdefault(metahost, 0)276        metahost_counts[metahost] += 1277    return metahost_counts278def get_job_info(job, preserve_metahosts=False, queue_entry_filter_data=None):279    hosts = []280    one_time_hosts = []281    meta_hosts = []282    atomic_group = None283    queue_entries = job.hostqueueentry_set.all()284    if queue_entry_filter_data:285        queue_entries = models.HostQueueEntry.query_objects(286            queue_entry_filter_data, initial_query=queue_entries)287    for queue_entry in queue_entries:288        if (queue_entry.host and (preserve_metahosts or289                                  not queue_entry.meta_host)):290            if queue_entry.deleted:291                continue292            if queue_entry.host.invalid:293                one_time_hosts.append(queue_entry.host)294            else:295                hosts.append(queue_entry.host)296        else:297            meta_hosts.append(queue_entry.meta_host)298        if atomic_group is None:299            if queue_entry.atomic_group is not None:300                atomic_group = queue_entry.atomic_group301        else:302            assert atomic_group.name == queue_entry.atomic_group.name, (303                    'DB inconsistency.  HostQueueEntries with multiple atomic'304                    ' groups on job %s: %s != %s' % (305                        id, atomic_group.name, queue_entry.atomic_group.name))306    meta_host_counts = _get_metahost_counts(meta_hosts)307    info = dict(dependencies=[label.name for label308                              in job.dependency_labels.all()],309                hosts=hosts,310                meta_hosts=meta_hosts,311                meta_host_counts=meta_host_counts,312                one_time_hosts=one_time_hosts,313                atomic_group=atomic_group)314    return info315def create_new_job(owner, options, host_objects, metahost_objects,316                   atomic_group=None):317    labels_by_name = dict((label.name, label)318                          for label in models.Label.objects.all())319    all_host_objects = host_objects + metahost_objects320    metahost_counts = _get_metahost_counts(metahost_objects)321    dependencies = options.get('dependencies', [])322    synch_count = options.get('synch_count')323    # check that each metahost request has enough hosts under the label324    for label, requested_count in metahost_counts.iteritems():325        available_count = label.host_set.count()326        if requested_count > available_count:327            error = ("You have requested %d %s's, but there are only %d."328                     % (requested_count, label.name, available_count))329            raise model_logic.ValidationError({'meta_hosts' : error})330    if atomic_group:331        check_atomic_group_create_job(332                synch_count, host_objects, metahost_objects,333                dependencies, atomic_group, labels_by_name)334    else:...

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