Initial version of Telegram admin bot

locks.py

@@ -0,0 +1,17 @@
+from pathlib import Path
+import time
+
+LOCK_DIR = Path("/var/run/tg-bot")
+LOCK_DIR.mkdir(exist_ok=True)
+
+def acquire(name: str) -> bool:
+    path = LOCK_DIR / f"{name}.lock"
+    if path.exists():
+        return False
+    path.write_text(str(time.time()))
+    return True
+
+def release(name: str):
+    path = LOCK_DIR / f"{name}.lock"
+    if path.exists():
+        path.unlink()