text: 
  from classes.preprocessor import *
  
  class Preprocessor(PreprocessorBase):
      def run(self, subject, msg):
  
          if not subject.startswith("[CentOS-announce] CESA-2016:C001"):
              return CONTINUE
  
          del msg["subject"]
          msg["subject"] = subject.replace("ipa and glusterfs", "CentOS 7 ipa/glusterfs")
  
          msg.set_payload(msg.get_payload().replace("2016:C001", "2016:C001 Important"))
  
          return PROCESSED
  