misskeyの絵文字エクスポートで取ってきたzip内の絵文字を整理するやつ

emoji.py

import json
import mimetypes
import os
import shutil


# apng知らんらしいので教えてあげる
mimetypes.add_type('file/apng', 'apng')
mimetypes.add_type('file/apng', 'png')

with open('meta.json', encoding='utf-8') as fp:
    data = json.load(fp)

    for emoji_data in data['emojis']:
        emoji_extensions = mimetypes.guess_all_extensions(emoji_data['emoji']['type'])
        emoji_category = (emoji_data['emoji']['category'] or 'others').strip()
        emoji_name = emoji_data['emoji']['name']

        os.makedirs(os.path.join('out', emoji_category), exist_ok=True)
        for extension in emoji_extensions:
            emoji_original_filename = emoji_data['id'] + extension
            if os.path.exists(emoji_original_filename):
                shutil.copy(emoji_original_filename, os.path.join('out', emoji_category, emoji_name + extension))