Split wrong words in Calibre (for French language))

import regex
from calibre import replace_entities, prepare_string_for_xml

def replace(match, number, file_name, metadata, dictionaries, data, functions, *args, **kwargs):
    def fix_word(m):
        word = m.group()
        if dictionaries.recognized(word):
            return word
        for i in xrange(1, len(word) - 1):
            a, b = word[:i], word[i:]
            if dictionaries.recognized(a) and dictionaries.recognized(b):
                return a + ' ' + b
        m = regex.match(r"(\w+)((?:[dlnmts]|qu(?:oi|el)qu|puisqu|lorsqu|jusqu|qu)[’'`]\w+)", word)
        if m:
            return m.group(1) + " " + m.group(2)
        return word
    text = replace_entities(match.group(1))
    text = regex.sub(r"\b\w(?:[\w’'`-]*\w|\w+)\b", fix_word, text, flags=regex.VERSION1)
    text = prepare_string_for_xml(text)
    return '>' + text + '<'