Ｍａｋｅ　ｙｏｕｒ　ｔｅｘｔ　ｗｉｄｅ　ａｎｄ　ｉｍｐｏｓｉｎｇ　ｕｓｉｎｇ　Ｐｙｔｈｏｎ　３. A̮̍d̦ͭd̳̓ cͮͅr̊͡ä̫́zͬ̈́y͉͓ dͤ̕iͦ̃a̧̬c̢̙r͊̄e͞ͅt̳̔i̦̓c̩͜s͚̲ t̴͙o̢̬ y̞͟o͕͟u̬̖r̴̬ t͓̭é͟x̗͊t̥͉

add_diacretics.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import string
from random import sample

# Add random diacretics to a text

diacretics = [chr(x) for x in range(0x300, 0x36F)]
# don't add marks to whitespace or punctuation
reserved = '　' + string.whitespace + string.punctuation

def add_diacretics(string, num=None):
    num = num or 1
    return ''.join(s + (''.join(sample(diacretics, num)) if s not in reserved else '') for s in string)

# add_diacretics('Hello World')
# 'Ḣēl͗l͢oͨ W̊o͉r̩l͐d̸'

# add_diacretics('Hello World', 25)
# H͓̮͗͏̶̴̧̡̨̘̭͇̻̜ͫ͐͂ͦ͌̂ͨ̿̓ͤ̔ȩ̡̰͕͔̫͎̘̋́̑̉̌́͌ͤ̾ͬͫ̈́̔̚͘͢ͅl̶͙̱̘̤͈̜̻͕͖̓̃ͭ́ͣ̎̄̈́͌͐͜͞͝͡ͅḻ̵̻̩̟̞̹̰̤̥̋͂ͩ̂̊̀̑͗ͪ͋̔͆͊̉͠ơ̶̡̫̥̦͉̪͕̜̤͚̺̓͊ͮ̅̑̈̆͌͑ͩ̚̕ W̷̡̟͍̱͎̠̥̻̗̮͚ͪ̋́ͣ̊́ͬ̾̽͜͠͞ͅờ̴̸͖̲̬̺̠̹͙̭͈͊ͬ̑̆͒͋ͭ̈́ͫ̓͗͜ṛ̱̭̲͓̳̘̯̦̗̫̅ͥͧ̈͋̏͑̂ͪ́̾̀͞͠l̸̨̧͓̰̺̫̤̻̯̟̮͔̓̿͛̏̽͒̔ͧ͗̈̇͝d̀͏̶̨̧̢͖̬͉̜̱͙̪̞̼ͫ̽̇ͤ̎̒͛̉͐͡

make_wide.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import string
import unicodedata

# Ｍａｋｅ　ｙｏｕｒ　ｔｅｘｔ　ｗｉｄｅ　ａｎｄ　ｉｍｐｏｓｉｎｇ　ｕｓｉｎｇ　Ｐｙｔｈｏｎ　３

fullwidth = ('　ａｂｃｄｅｆｇｈｉｊｋｌｍｎｏｐｑｒｓｔｕｖｗｘｙｚ'
             'ＡＢＣＤＥＦＧＨＩＪＫＬＭＮＯＰＱＲＳＴＵＶＷＸＹＺ'
             '０１２３４５６７８９！＂＃＄％＆＇（）＊＋，－．／：'
             '；＜＝＞？＠［＼］＾＿｀｛｜｝～￠￡￤￥￦'
             )
singlewidth = ' ' + string.ascii_letters + string.digits + string.punctuation + "¢£¦¥₩"
table = str.maketrans(singlewidth, fullwidth)

def make_wide(string):
    return unicodedata.normalize('NFD', string.translate(table))


# print(make_wide('HELLO WORLD'))
# ＨＥＬＬＯ　ＷＯＲＬＤ

# print (make_wide('évén wørks wìth diaçretics'))
# éｖéｎ　ｗøｒｋｓ　ｗìｔｈ　ｄｉａçｒｅｔｉｃｓ