new_contents: from biokit.converters.convbase import ConvBase
  
  
  class Sam2Bam(ConvBase):
      """
  
  
      """
      def __init__(self, infile, outfile, *args, **kargs):
          """.. rubric:: constructor
  
          :param str filename
          """
          super(Sam2Bam, self).__init__(infile, outfile, *args, **kargs)
          pass
  
      def __call__(self):
          cmd = "samtools view -Sbh {} > {}".format(self.infile, self.outfile)
          self.execute(cmd)
  
  
  
  
subject: add new converter and base class