Output text containing random Combining Diacritical Marks

unicombine.py

#!/usr/bin/env python2

import sys
import random

text = ' '.join(sys.argv[1:])
if not text:
    sys.exit("usage: %s <text>" % sys.argv[0])
output = []
for char in text:
    char = unicode(char)
    if char.isspace():
        output.append(char)
        continue
    for i in range(random.randint(2, 5)):
        mark = random.randint(int('0300', 16), int('036F', 16))
        char += unichr(mark + 1)
    output.append(char)
print ''.join(output)

Unicode Specificion

Example:

./unicombine.py Hello World

H͏̣̣e̱̲̓ͤ͌ḻ͖̐͝l̻̺͈̿oͣ͂̿̀ W͖̒ͪ̚o̡ͦr̜̜ͩ̔lͥͣ́̎̕d̾ͪ̓͗ͣ

./unicombine.py The quick brown fox jumps over the lazy dog

T̨̓̈́̕h͕ͧé͈ͥ q̸̷̤ͭu͑̈́i̒ͧc̞̝kͩ͐̎ b̷̧̤͘rͦ̀͂õ͈̃̊ͅẃ̅n̼̰͟ f̻ͧo͏̩x͓̲̜ ĵ̄u̮͊̄ͦ͞m̳͍̔͌p̶̻ͯs̴̰ͫ̓͠ o̮͏̤͈̖v̰̰ͯę̡̻͛͡r̷͎ͫ͢͞ ẗ́͞h̆ͫ̽e͓̐̀͛̊ l͉͔a̘̅͗̋̈́z̦͆̈͟y̜̠͇͆ͮ d̶̨̨͠o̷̼gͰ̏ͬ̑