[lutz@kasperletheater] [0:26:20] [~/Projects/disasm]
$ cat disas.py 
import x86disasm

disassembler = x86disasm.X86_Disasm()
data = "\x90\x90\xcd\x80\cafebabe"
disassembled = 0
while disassembled < len(data):
   insn = disassembler.disasm( data,  0 , disassembled)
   if insn.size == 0:
      break
   print disassembled, insn.format( x86disasm.att_syntax)
   disassembled += insn.size
                                                                                                                             [lutz@kasperletheater] [0:26:21] [~/Projects/disasm]
$ python disas.py
0 nop
1 nop
2 int   $0x80
4 pop   %esp
5 arplw %sp, 102(%ecx)
8 boundl        %gs:98(%ecx), %esp
12 invalid