improved reaction handling, added some comments

msg.py

@@ -53,26 +53,21 @@ def message_dict(m: discord.Message) -> Dict:
     }
 
 
-async def reaction_df(msgs: Iterable[discord.Message]):
-    return pd.concat([await reaction_series(msg) for msg in msgs if len(msg.reactions) > 0]).set_index(
-        ['msg id', 'emoji'])
+def full_reaction_df(msgs: Iterable[discord.Message]):
+    return pd.concat([reaction_df(msg) for msg in msgs])
 
 
-async def reaction_series(msg: discord.Message):
-    if len(msg.reactions) > 0:
-        return pd.DataFrame([
-            await reaction_dict(r)
-            for r in msg.reactions
-        ])
+def reaction_df(msg: discord.Message):
+    df = pd.DataFrame([reaction_dict(r) for r in msg.reactions])
+    return df.set_index(['msg id', 'emoji']) if not df.empty else df
 
 
-async def reaction_dict(r: discord.Reaction) -> Dict:
-    is_emoji = isinstance(r.emoji, (discord.Emoji, discord.PartialEmoji))
-    # LOGGER.info(repr(r.emoji))
+def reaction_dict(r: discord.Reaction) -> Dict:
     return {
+        'object': r,
         'msg id': r.message.id,
-        'emoji': r.emoji.name if is_emoji else r.emoji.encode('unicode-escape').decode('ascii'),
-        'emoji id': r.emoji.id if is_emoji else None,
+        'emoji': r.emoji.name if r.is_custom_emoji() else r.emoji,
+        'emoji id': r.emoji.id if r.is_custom_emoji() else None,
         'count': int(r.count),
     }