code: def build_temp_job_archive(cls):
          
          try:
              os.unlink('job_archive_temp.fits')
              os.unlink('file_archive_temp.fits')
          except OSError:
              pass
  
          cls._archive = cls(job_archive_table='job_archive_temp.fits',
                             file_archive_table='file_archive_temp.fits',
                             base_path=os.path.abspath('.') + '/')
          return cls._archive
docs: Build and return a `JobArchive` using defualt locations of
          persistent files.