text: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  
  from .sample.ddd import DddDataset
  from .sample.exdet import EXDetDataset
  from .sample.ctdet import CTDetDataset
  from .sample.multi_pose import MultiPoseDataset
  
  from .dataset.coco import COCO
  from .dataset.pascal import PascalVOC
  from .dataset.kitti import KITTI
  from .dataset.coco_hp import COCOHP
  from .dataset.vi_dataset import ViDataset
  
  
  dataset_factory = {
    'coco': COCO,
    'pascal': PascalVOC,
    'kitti': KITTI,
    'coco_hp': COCOHP,
    'vi_dataset': ViDataset
  }
  
  _sample_factory = {
    'exdet': EXDetDataset,
    'ctdet': CTDetDataset,
    'ddd': DddDataset,
    'multi_pose': MultiPoseDataset
  }
  
  
  def get_dataset(dataset, task):
    class Dataset(dataset_factory[dataset], _sample_factory[task]):
      pass
    return Dataset
  
  