text: import numpy as np
  from collections import OrderedDict
  
  from .base import labeller_func
  
  
  @labeller_func(group_label='bounding_box')
  def bounding_box_to_bounding_box(bbox):
      r"""
      Apply a single 'all' label to a given bounding box. This bounding
      box must be as specified by the :map:`bounding_box` method.
      """
      from menpo.shape import bounding_box
  
      mapping = OrderedDict()
      mapping['all'] = np.arange(4)
      return bounding_box(bbox.points[0], bbox.points[2]), mapping
  
  
  @labeller_func(group_label='bounding_box')
  def bounding_box_mirrored_to_bounding_box(bbox):
      r"""
      Apply a single 'all' label to a given bounding box that has been
      mirrored around the vertical axis (flipped around the Y-axis). This bounding
      box must be as specified by the :map:`bounding_box` method (but mirrored).
      """
      from menpo.shape import bounding_box
  
      mapping = OrderedDict()
      mapping['all'] = np.arange(4)
      return bounding_box(bbox.points[3], bbox.points[1]), mapping
  