Wrap titles in Japanese quotes if appropriate

anime_rpc/formatting.py

@@ -0,0 +1,40 @@
+ranges = [
+    {"from": ord("\u3300"), "to": ord("\u33ff")},  # compatibility ideographs
+    {"from": ord("\ufe30"), "to": ord("\ufe4f")},  # compatibility ideographs
+    {"from": ord("\uf900"), "to": ord("\ufaff")},  # compatibility ideographs
+    {"from": ord("\U0002F800"), "to": ord("\U0002fa1f")},  # compatibility ideographs
+    {"from": ord("\u3040"), "to": ord("\u309f")},  # Japanese Hiragana
+    {"from": ord("\u30a0"), "to": ord("\u30ff")},  # Japanese Katakana
+    {"from": ord("\u2e80"), "to": ord("\u2eff")},  # cjk radicals supplement
+    {"from": ord("\u4e00"), "to": ord("\u9fff")},
+    {"from": ord("\u3400"), "to": ord("\u4dbf")},
+    {"from": ord("\U00020000"), "to": ord("\U0002a6df")},
+    {"from": ord("\U0002a700"), "to": ord("\U0002b73f")},
+    {"from": ord("\U0002b740"), "to": ord("\U0002b81f")},
+    {"from": ord("\U0002b820"), "to": ord("\U0002ceaf")},  # included as of Unicode 8.0
+]
+
+
+def _is_char_cjk(char: str) -> bool:
+    return any([range["from"] <= ord(char) <= range["to"] for range in ranges])
+
+
+def _contains_cjk(text: str) -> bool:
+    return any([_is_char_cjk(i) for i in text])
+
+
+def _quote_cjk(text: str) -> str:
+    if text.startswith(("「", "『")) or text.endswith(("」", "』")):
+        return text
+
+    return f"「{text}」"
+
+
+def quote(text: str) -> str:
+    if _contains_cjk(text):
+        return _quote_cjk(text)
+
+    if text.startswith('"') or text.endswith('"'):
+        return text
+
+    return f'"{text}"'

anime_rpc/presence.py

@@ -4,6 +4,7 @@
 
 from anime_rpc.config import Config, APPLICATION_ID
 from anime_rpc.mpc import Vars, WatchingState
+from anime_rpc.formatting import quote
 
 from discordrpc import RPC  # type: ignore
 
@@ -27,12 +28,6 @@ def get_ep_title(
     return int(ep), title.strip()
 
 
-def quote(text: str) -> str:
-    if text.startswith('"') or text.endswith('"'):
-        return text
-    return f'"{text}"'
-
-
 def _maybe_strip_leading_zeros(timestamp: str) -> str:
     parts = timestamp.split(":")
     if not int(parts[0]):