It sounds like you want a list of the byte values as integers. Here's what you can do:
>>> import struct
>>> x = struct.pack("@L",1000)
>>> map(ord, x)
[232, 3, 0, 0]
If you really want hex strings:
>>> map(hex, map(ord, x))
['0xe8', '0x3', '0x0', '0x0']