Emoji list generator for https://github.com/kernc/mdx_unimoji.

emoji_generator.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
r"""
Generate emoji list json file for mdx_unimoji(https://github.com/kernc/mdx_unimoji).

You can convert emoji_strategy.json on emojione (https://github.com/emojione/emojione) into
`{"ENTITY1": ["NAME1"], "ENTITY2": ["NAME2", "ALTERNAME2", ...], ...}`.

Usage:
$ ./emoji_generator.py https://raw.githubusercontent.com/Ranks/emojione/master/emoji_strategy.json

Run emoji_generator.py with no parameter to pass json data from stdin.
$ curl https://raw.githubusercontent.com/Ranks/emojione/master/emoji_strategy.json | \
    ./emoji_generator.py > emoji.json
"""

import json
import sys
from urllib.request import urlopen


def main(text):
    """Generate emoji table function."""
    emojson = json.loads(text)

    emojis = dict()
    for x in emojson.values():
        code = "".join([chr(int(c, base=16)) for c in x["unicode_output"].split("-")])
        emojis[code] = [x["shortname"]] + x["shortname_alternates"]
    return emojis


if __name__ == "__main__":
    if len(sys.argv) > 1:
        text = urlopen(sys.argv[1]).read().decode("utf-8")
    else:
        text = input()
    print(json.dumps(main(text)))