docs: def convert(self, type_from, type_to, data):
          """Parsers data from with one format and composes with another.
  
          :param type_from: The unique name of the format to parse with
          :param type_to: The unique name of the format to compose with
          :param data: The text to convert
          """
          try:
              return self.compose(type_to, self.parse(type_from, data))
          except Exception as e:
              raise ValueError(
                  "Couldn't convert '{from_}' to '{to}'. Possibly "
                  "because the parser of '{from_}' generates a "
                  "data structure incompatible with the composer "
                  "of '{to}'. This is the original error: \n\n"
                  "{error}: {message}".format(from_=type_from, to=type_to,
                                              error=e.__class__.__name__,
                                              message=e.message))