parameters: (cls, name, mode="r", fileobj=None, compresslevel=9, **kwargs)
return_statement: return t
docstring: Open bzip2 compressed tar archive name for reading or writing.
             Appending is not allowed.
docstring_summary: Open bzip2 compressed tar archive name for reading or writing.
             Appending is not allowed.
docstring_tokens: Open bzip2 compressed tar archive name for reading or writing . Appending is not allowed .
function: def bz2open(cls, name, mode="r", fileobj=None, compresslevel=9, **kwargs):
          """Open bzip2 compressed tar archive name for reading or writing.
             Appending is not allowed.
          """
          if len(mode) > 1 or mode not in "rw":
              raise ValueError("mode must be 'r' or 'w'.")
  
          try:
              import bz2
          except ImportError:
              raise CompressionError("bz2 module is not available")
  
          if fileobj is not None:
              fileobj = _BZ2Proxy(fileobj, mode)
          else:
              fileobj = bz2.BZ2File(name, mode, compresslevel=compresslevel)
  
          try:
              t = cls.taropen(name, mode, fileobj, **kwargs)
          except (IOError, EOFError):
              fileobj.close()
              raise ReadError("not a bzip2 file")
          t._extfileobj = False
          return t
function_tokens: def bz2open ( cls , name , mode = "r" , fileobj = None , compresslevel = 9 , * * kwargs ) : if len ( mode ) > 1 or mode not in "rw" : raise ValueError ( "mode must be 'r' or 'w'." ) try : import bz2 except ImportError : raise CompressionError ( "bz2 module is not available" ) if fileobj is not None : fileobj = _BZ2Proxy ( fileobj , mode ) else : fileobj = bz2 . BZ2File ( name , mode , compresslevel = compresslevel ) try : t = cls . taropen ( name , mode , fileobj , * * kwargs ) except ( IOError , EOFError ) : fileobj . close ( ) raise ReadError ( "not a bzip2 file" ) t . _extfileobj = False return t