code: def getActualLineWidths0(self):
          
  
          assert hasattr(self, 'width'), "Cannot call this method before wrap()"
          if self.blPara.kind:
              func = lambda frag, w=self.width: w - frag.extraSpace
          else:
              func = lambda frag, w=self.width: w - frag[0]
          return map(func, self.blPara.lines)
docs: Convenience function; tells you how wide each line
          actually is.  For justified styles, this will be
          the same as the wrap width; for others it might be
          useful for seeing if paragraphs will fit in spaces.