def describe_event_source_mapping(UUID=None, EventSourceArn=None,
           FunctionName=None,
           region=None, key=None, keyid=None, profile=None):

    ids = _get_ids(UUID, EventSourceArn=EventSourceArn,
                         FunctionName=FunctionName)
    if len(ids) < 1:
        return {'event_source_mapping': None}

    UUID = ids[0]
    try:
        conn = _get_conn(region=region, key=key, keyid=keyid, profile=profile)
        desc = conn.get_event_source_mapping(UUID=UUID)
        if desc:
            keys = ('UUID', 'BatchSize', 'EventSourceArn',
                    'FunctionArn', 'LastModified', 'LastProcessingResult',
                    'State', 'StateTransitionReason')
            return {'event_source_mapping': dict([(k, desc.get(k)) for k in keys])}
        else:
            return {'event_source_mapping': None}
    except ClientError as e:
        return {'error': salt.utils.boto3.get_error(e)}
_wrap_chunks(chunks : [string]) -> [string]
dataset/ETHPy150Open saltstack/salt/salt/modules/boto_lambda.py/describe_event_source_mapping--crossover with--dataset/ETHPy150Open deanhiller/databus/webapp/play1.3.x/python/Lib/textwrap.py/TextWrapper._wrap_chunks