$ python2.5
Python 2.5.6 (r256:88840, Oct 11 2012, 20:14:10)
[GCC 4.2.1 Compatible Apple Clang 4.0 (tags/Apple/clang-418.0.60)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> magic = chr(17)+chr(11)+chr(119)+chr(60)+chr(47)+chr(44)+chr(78)+chr(103)+chr(125)+chr(48)
>>> for r in ["M", "D", "C", "L", "X", "V", "I"]:
...   n = hash(r + magic) % 1001
...   print r, n
...
M 1000
D 500
C 100
L 50
X 10
V 5
I 1