mdbook_emoji.py

generate.py

import aiohttp
import asyncio
import os

async def main():
    async with aiohttp.ClientSession() as session:
        headers = {
            "accept": "application/vnd.github.v3+json"
        }
        async with session.request("GET", "https://api.github.com/emojis", headers=headers) as response:
            s = await response.text()
            s = s.replace("https://github.githubassets.com/images/icons/emoji/unicode/", "")
            s = s.replace(".png?v8", "")
            with open("emojis/emojis.json", "w") as f:
                f.write(s)


if __name__ == "__main__" and not os.path.exists("emojis/emojis.json"):
    loop = asyncio.get_event_loop()
    loop.run_until_complete(main())

main.py

import json
import re
import sys

emojis = json.load(open("emojis/emojis.json", "r"))

def repl(match):
    a = match.group(1)
    b = emojis.get(a)
    return f"&#x{b.replace('-', ';&#x')};" if b else f":{a}:"


def main():
    if len(sys.argv) > 1:
        if sys.argv[1] == "supports":
            sys.exit(0)

    context, book = json.load(sys.stdin)
    for section in book["sections"]:
        section["Chapter"]["content"] = re.sub(r":(.+?):", repl, section["Chapter"]["content"])

    print(json.dumps(book))


if __name__ == "__main__":
    main()