#!/usr/bin/env python3 

import functools
import unicodedata


XFORMS = {
    0x00C6: "ae",
    0x00E6: "ae",
    0x0152: "oe",
    0x0153: "oe",
    "æ": "ae",
    "Æ": "AE",
    }
NORMALIZE = str.maketrans(XFORMS)

def normalize(text):
    return nfc("".join(c for c in nfd(text.translate(NORMALIZE))
               if not unicodedata.combining(c)))

nfc = functools.partial(unicodedata.normalize, "NFC")
nfd = functools.partial(unicodedata.normalize, "NFD")

original = "The Ænid œvre"
expected = "The AEnid oevre"

actual = normalize(original)
if actual != expected:
    print("BUG", (actual, "!=", expected))
else:
    print("OK", (actual, "==", expected))