Update emoji

tools/update_emoji.py

@@ -0,0 +1,52 @@
+#!/usr/bin/env python3
+
+import requests
+import json
+import re
+import sys
+
+in_data = requests.get("https://github.com/mattermost/mattermost-webapp/raw/master/utils/emoji.json").json()
+"""
+{
+	"name": "GRINNING FACE",
+	"unified": "1F600",
+	"short_name": "grinning",
+	"short_names": [
+		"grinning"
+	],
+	"text": ":D",
+	"texts": null,
+	"category": "smileys-emotion"
+},
+"""
+
+
+def text_or_emoji(emoji_entry):
+	if emoji_entry.get("text") and emoji_entry.get("short_name") != "blush":
+		return emoji_entry["text"]
+	elif emoji_entry.get("unified"):
+		textual_unicode = emoji_entry["unified"]
+		assert re.fullmatch("[0-9A-F]{4,5}(-[0-9A-F]{4,5})*", textual_unicode)
+		return "".join(
+			chr(int(c, base=16)) for c in textual_unicode.split("-")
+		)
+	else:
+		return None
+
+
+out_data = {
+	short_name: text_or_emoji(emoji_entry)
+	for emoji_entry in in_data
+	for short_name in emoji_entry["short_names"]
+}
+out_data = {k: v for k, v in out_data.items() if v is not None}
+
+out = json.dumps(out_data, ensure_ascii=False)
+out = re.sub(", *", ",\n", out)
+
+print(f"""// The rest of this file uses data provided by Mattermost.
+// In sofar as it is protectable by copyright, it is licensed under the Apache license:
+// https://github.com/mattermost/mattermost-webapp/blob/51185f6969bed6d061558de65f0722ffb6dc62b3/LICENSE.txt
+//
+// Generated with /tools/update_emoji.py
+const emoji = {out};""")