Delete usage_counter.py

usage_counter.py

@@ -1,58 +0,0 @@
-# -------------------------------------------------
-# usage_counter.py
-# -------------------------------------------------
-import json
-import os
-import pathlib
-import portalocker
-from typing import Optional
-
-# ----------------------------------------------------------------------
-# Where the counter lives – /run is a persistent volume on HF Spaces.
-# ----------------------------------------------------------------------
-COUNTER_PATH = pathlib.Path("/run/counter.json")
-
-# ----------------------------------------------------------------------
-# Read the hard limit from the secret (fallback to 50 if not set).
-# ----------------------------------------------------------------------
-MAX_LIMIT = int(os.getenv("MAX_REQUEST_LIMIT", "50"))   # default 50
-
-def _ensure_file_exists() -> None:
-    """Create an empty counter file the first time the container runs."""
-    if not COUNTER_PATH.exists():
-        COUNTER_PATH.write_text(json.dumps({"cnt": 0}))
-
-def increment_and_check() -> bool:
-    """
-    Atomically:
-      1️⃣ read the current counter,
-      2️⃣ verify it is < MAX_LIMIT,
-      3️⃣ increment it and write back.
-
-    Returns True  → request is allowed (counter was incremented)
-            False → limit already reached (counter unchanged)
-    """
-    _ensure_file_exists()
-
-    # -------------------------------------------------
-    # Exclusive lock – blocks any other request until we release it.
-    # -------------------------------------------------
-    with portalocker.Lock(str(COUNTER_PATH), mode="r+", timeout=10) as fh:
-        # 1️⃣ read the JSON payload (tiny – a few bytes)
-        data = json.loads(fh.read() or '{"cnt":0}')
-
-        # 2️⃣ check the limit
-        if data["cnt"] >= MAX_LIMIT:
-            return False
-
-        # 3️⃣ increment
-        data["cnt"] += 1
-
-        # 4️⃣ write the updated JSON back atomically
-        fh.seek(0)          # go back to start of file
-        fh.truncate()       # drop old content
-        fh.write(json.dumps(data))
-        fh.flush()          # ensure OS buffers are flushed
-
-    # lock released automatically when we exit the `with` block
-    return True