Create colored text to copy/paste into other applications using python

color.py

import click
import webbrowser
import os
import random
import tempfile
from time import sleep

random.seed()
tmp = tempfile.NamedTemporaryFile()


@click.command()
@click.argument("text")
@click.option("--colors", default="crimson,chartreuse")
@click.option("--pattern", type=click.Choice(["loop", "random"]), default="loop")
@click.option("--split", type=click.Choice(["character", "word"]), default="character")
def color(text, colors, pattern, split):
    filename = f"{tmp.name}.html"
    with open(filename, "w") as out_file:
        cols = colors.split(",")
        chs = text if split == "character" else text.split()
        for ch in chs:
            if pattern == "loop":
                col = cols[0]
            else:
                col = random.choice(cols)
            out_file.write(f"<span style='color: {col}'>{ch}</span>")
            if split == "word":
                out_file.write(" ")
            if ch != " " and pattern == "loop":
                cols.append(cols.pop(0))

    webbrowser.open(f"file://{os.path.realpath(filename)}")


if __name__ == "__main__":
    color()