code: def extract(self, member, path=None):
      if path is None:
          path = os.getcwd()
      if isinstance(member, basestring):
          f = os.path.join(path, member)
      else:
          f = os.path.join(path, member.pathname)
      return self.readpath(member, f)
  
imports: import time
  from libarchive import is_archive, Entry, SeekableArchive
  from tarfile import DEFAULT_FORMAT, USTAR_FORMAT, GNU_FORMAT, PAX_FORMAT, ENCODING
  from tarfile import REGTYPE, AREGTYPE, LNKTYPE, SYMTYPE, DIRTYPE, FIFOTYPE, CONTTYPE, CHRTYPE, BLKTYPE, GNUTYPE_SPARSE
label_desc: Use image node_id 5 for calling the TarFile obj's underlying member method code with example usage: obj.extract(member, path) and returns: self