parameters: (self, xml_str)
docstring: Read in data from XML using the string representation of the setup algorithm used
              to prepare the reduction properties.
              @param xml_str: text to read the data from
docstring_summary: Read in data from XML using the string representation of the setup algorithm used
              to prepare the reduction properties.
docstring_tokens: Read in data from XML using the string representation of the setup algorithm used to prepare the reduction properties .
function: def from_setup_info(self, xml_str):
          """
              Read in data from XML using the string representation of the setup algorithm used
              to prepare the reduction properties.
              @param xml_str: text to read the data from
          """
          self.reset()
          super(Background, self).from_setup_info(xml_str)
  
          (alg, _) = BaseScriptElement.getAlgorithmFromXML(xml_str)
          self.combine_transmission_frames = BaseScriptElement.getPropertyValue(alg, "BckFitFramesTogether",
                                                                                default=SampleData.combine_transmission_frames)
function_tokens: def from_setup_info ( self , xml_str ) : self . reset ( ) super ( Background , self ) . from_setup_info ( xml_str ) ( alg , _ ) = BaseScriptElement . getAlgorithmFromXML ( xml_str ) self . combine_transmission_frames = BaseScriptElement . getPropertyValue ( alg , "BckFitFramesTogether" , default = SampleData . combine_transmission_frames )