Prevent Telegram market symbol auto-links

Author: Pigbibi

notifications/telegram.py

@@ -17,6 +17,18 @@
 except ImportError:  # pragma: no cover - compatibility with older pinned shared wheels
     _merge_strategy_plugin_i18n = None
 
+_TELEGRAM_MARKET_SYMBOL_LINK_RE = re.compile(r"(?<![A-Za-z0-9_])([A-Z0-9]{1,12})\.([A-Z]{2,4})(?![A-Za-z0-9_])")
+_TELEGRAM_MARKET_SYMBOL_LINK_JOINER = "\u2060"
+
+
+def _break_telegram_market_symbol_auto_links(value: object) -> str:
+    text = str(value or "")
+    return _TELEGRAM_MARKET_SYMBOL_LINK_RE.sub(
+        lambda match: f"{match.group(1)}.{_TELEGRAM_MARKET_SYMBOL_LINK_JOINER}{match.group(2)}",
+        text,
+    )
+
+
 _PRICE_SOURCE_LABELS = {
     "longbridge_candlesticks": ("LongBridge 日线K线", "LongBridge daily candlesticks"),
     "schwab_daily_history_with_live_quote_overlay": ("Schwab 日线历史", "Schwab daily history"),
@@ -522,7 +534,11 @@ def send_tg_message(message: str) -> None:
             return
         url = f"https://api.telegram.org/bot{token}/sendMessage"
         try:
-            requests_module.post(url, json={"chat_id": chat_id, "text": message}, timeout=15)
+            requests_module.post(
+                url,
+                json={"chat_id": chat_id, "text": _break_telegram_market_symbol_auto_links(message)},
+                timeout=15,
+            )
         except Exception as exc:
             print(f"Telegram send failed: {type(exc).__name__}", flush=True)
 

tests/test_notifications.py

@@ -0,0 +1,34 @@
+import sys
+from pathlib import Path
+
+
+ROOT = Path(__file__).resolve().parents[1]
+if str(ROOT) not in sys.path:
+    sys.path.insert(0, str(ROOT))
+PLATFORM_KIT_SRC = ROOT.parent / "QuantPlatformKit" / "src"
+if str(PLATFORM_KIT_SRC) not in sys.path:
+    sys.path.insert(0, str(PLATFORM_KIT_SRC))
+
+from notifications.telegram import build_sender
+
+
+class FakeRequests:
+    def __init__(self):
+        self.calls = []
+
+    def post(self, url, json, timeout):
+        self.calls.append((url, json, timeout))
+        return object()
+
+
+def test_build_sender_breaks_market_symbol_auto_links():
+    fake_requests = FakeRequests()
+    sender = build_sender("token-1", "chat-1", requests_module=fake_requests)
+    sender("SOXL.US and 00700.HK")
+
+    assert len(fake_requests.calls) == 1
+    url, payload, timeout = fake_requests.calls[0]
+    assert "token-1" in url
+    assert payload["chat_id"] == "chat-1"
+    assert payload["text"] == "SOXL.\u2060US and 00700.\u2060HK"
+    assert timeout == 15