code: def dpar(self, cl=1):
          
          sval = self.toString(self.value, quoted=1)
          if not cl:
              if sval == "": sval = "None"
          s = "%s = %s" % (self.name, sval)
          return s
docs: Return dpar-style executable assignment for parameter
  
          Default is to write CL version of code; if cl parameter is
          false, writes Python executable code instead.