Return a list of objects from the API for a container.

def start(self):
        """Return a list of objects from the API for a container."""
        LOG.info('Listing options...')
        with indicator.Spinner(**self.indicator_options):
            objects_list = self._list_contents()
            if not objects_list:
                return

        if isinstance(objects_list[0], dict):
            filter_dlo = self.job_args.get('filter_dlo')
            if filter_dlo:
                dynamic_hash = hashlib.sha256(
                    self.job_args.get('container')
                )
                dynamic_hash = dynamic_hash.hexdigest()
                objects_list = [
                    i for i in objects_list
                    if dynamic_hash not in i.get('name')
                ]
            string_filter = self.job_args.get('filter')
            if string_filter:
                objects_list = [
                    i for i in objects_list
                    if string_filter in i.get('name')
                ]
            self.print_horiz_table(objects_list)
        else:
            self.print_virt_table(objects_list[0].headers)