docs: def convertforoutput(self,outputfile):
          """Convert from one of the source formats into target format. Relevant if converters are used in OutputTemplates. Sourcefile is a CLAMOutputFile instance."""
          assert isinstance(outputfile, CLAMOutputFile) #metadata of the destination file (file to be generated here)
          if not outputfile.metadata.__class__ in self.acceptforoutput:
              raise Exception("Convertor " + self.__class__.__name__ + " can not convert input files to " + outputfile.metadata.__class__.__name__ + "!")
          return []