Support rendering emoji unicode characters

1 files changed, 64 insertions, 0 deletions

diff --git a/slack/slack_emoji.py b/slack/slack_emoji.py
new file mode 100644
index 0000000..e2b9b11
--- /dev/null
+++ b/slack/slack_emoji.py
@@ -0,0 +1,64 @@
+from __future__ import annotations
+
+import json
+import os
+from typing import TYPE_CHECKING, Any, Dict
+
+import weechat
+
+from slack.error import store_and_format_exception
+from slack.log import print_error
+
+if TYPE_CHECKING:
+    from typing_extensions import NotRequired, TypedDict
+else:
+    TypedDict = Any
+
+
+class EmojiSkinVariation(TypedDict):
+    name: str
+    unicode: str
+
+
+class Emoji(TypedDict):
+    aliasOf: NotRequired[str]
+    name: str
+    skinVariations: NotRequired[Dict[str, EmojiSkinVariation]]
+    unicode: str
+
+
+def load_standard_emojis() -> Dict[str, Emoji]:
+    weechat_dir = weechat.info_get("weechat_data_dir", "") or weechat.info_get(
+        "weechat_dir", ""
+    )
+    weechat_sharedir = weechat.info_get("weechat_sharedir", "")
+    local_weemoji, global_weemoji = (
+        f"{path}/weemoji.json" for path in (weechat_dir, weechat_sharedir)
+    )
+    path = (
+        global_weemoji
+        if os.path.exists(global_weemoji) and not os.path.exists(local_weemoji)
+        else local_weemoji
+    )
+    if not os.path.exists(path):
+        return {}
+
+    try:
+        with open(path) as f:
+            emojis: Dict[str, Emoji] = json.loads(f.read())
+
+            emojis_skin_tones: Dict[str, Emoji] = {
+                skin_tone["name"]: {
+                    "name": skin_tone["name"],
+                    "unicode": skin_tone["unicode"],
+                }
+                for emoji in emojis.values()
+                if "skinVariations" in emoji
+                for skin_tone in emoji["skinVariations"].values()
+            }
+
+            emojis.update(emojis_skin_tones)
+            return emojis
+    except Exception as e:
+        print_error(f"couldn't read weemoji.json: {store_and_format_exception(e)}")
+        return {}