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How to use extra_host_filters method in autotest

Best Python code snippet using autotest_python

rpc_utils.py

Source:rpc_utils.py

...93                 'WHERE not complete OR active)']94    else:95        return {}96    return {'where': where}97def extra_host_filters(multiple_labels=[]):98    """\99    Generate SQL WHERE clauses for matching hosts in an intersection of100    labels.101    """102    extra_args = {}103    where_str = ('hosts.id in (select host_id from hosts_labels '104                 'where label_id=%s)')105    extra_args['where'] = [where_str] * len(multiple_labels)106    extra_args['params'] = [models.Label.smart_get(label).id107                            for label in multiple_labels]108    return extra_args109def get_host_query(multiple_labels, exclude_only_if_needed_labels, filter_data):110    query = models.Host.valid_objects.all()111    if exclude_only_if_needed_labels:112        only_if_needed_labels = models.Label.valid_objects.filter(113            only_if_needed=True)114        if only_if_needed_labels.count() > 0:115            only_if_needed_ids = ','.join(str(label['id']) for label116                                          in only_if_needed_labels.values('id'))117            query = models.Host.objects.add_join(118                query, 'hosts_labels', join_key='host_id',119                join_condition='hosts_labels_exclude.label_id IN (%s)'120                               % only_if_needed_ids,121                suffix='_exclude', exclude=True)122    filter_data['extra_args'] = (extra_host_filters(multiple_labels))123    return models.Host.query_objects(filter_data, initial_query=query)124class InconsistencyException(Exception):125    'Raised when a list of objects does not have a consistent value'126def get_consistent_value(objects, field):127    if not objects:128        # well a list of nothing is consistent129        return None130    value = getattr(objects[0], field)131    for obj in objects:132        this_value = getattr(obj, field)133        if this_value != value:134            raise InconsistencyException(objects[0], obj)135    return value136def prepare_generate_control_file(tests, kernel, label, profilers):...

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