code: def _SlidePlaceholderFactory(shape_elm, parent):
      
      tag = shape_elm.tag
      if tag == qn('p:sp'):
          Constructor = {
              PP_PLACEHOLDER.BITMAP:  PicturePlaceholder,
              PP_PLACEHOLDER.CHART:   ChartPlaceholder,
              PP_PLACEHOLDER.PICTURE: PicturePlaceholder,
              PP_PLACEHOLDER.TABLE:   TablePlaceholder,
          }.get(shape_elm.ph_type, SlidePlaceholder)
      elif tag == qn('p:graphicFrame'):
          Constructor = PlaceholderGraphicFrame
      elif tag == qn('p:pic'):
          Constructor = PlaceholderPicture
      else:
          Constructor = BaseShapeFactory
      return Constructor(shape_elm, parent)
docs: Return a placeholder shape of the appropriate type for *shape_elm*.