text: from .register import register
  from x2paddle.core.util import *
  
  
  def roipooling_shape(input_shape, pooled_w=None, pooled_h=None):
      base_fea_shape = input_shapes[0]
      rois_shape = input_shapes[1]
      output_shape = base_fea_shape
      output_shape[0] = rois_shape[0]
      output_shape[2] = pooled_h
      output_shape[3] = pooled_w
      return [output_shape]
  
  
  def roipooling_layer(inputs,
                       pooled_w=None,
                       pooled_h=None,
                       spatial_scale=None,
                       input_shape=None,
                       name=None):
      input = inputs[0]
      roi = inputs[1]
      roi = fluid.layers.slice(roi, axes=[1], starts=[1], ends=[5])
      out = fluid.layers.roi_pool(
          input,
          roi,
          pooled_height=pooled_h,
          pooled_width=pooled_w,
          spatial_scale=spatial_scale)
      return out
  
  
  def roipooling_weights(name, data=None):
      weights_name = []
      return weights_name
  
  
  register(
      kind='ROIPooling',
      shape=roipooling_shape,
      layer=roipooling_layer,
      weights=roipooling_weights)
  