load sqlite_vec in embeddings manager

frigate/embeddings/__init__.py

@@ -1,13 +1,15 @@
-"""ChromaDB embeddings database."""
+"""SQLite-vec embeddings database."""
 
 import json
 import logging
 import multiprocessing as mp
+import os
 import signal
 import threading
 from types import FrameType
 from typing import Optional
 
+import sqlite_vec
 from playhouse.sqliteq import SqliteQueueDatabase
 from setproctitle import setproctitle
 
@@ -53,13 +55,19 @@ def manage_embeddings(config: FrigateConfig) -> None:
     models = [Event]
     db.bind(models)
 
-    embeddings = Embeddings()
+    conn = db.connection()
+    conn.enable_load_extension(True)
+    sqlite_vec.load(conn)
+    conn.enable_load_extension(False)
+
+    embeddings = Embeddings(db)
 
     # Check if we need to re-index events
     if config.semantic_search.reindex:
         embeddings.reindex()
 
     maintainer = EmbeddingMaintainer(
+        db,
         config,
         stop_event,
     )
@@ -67,14 +75,17 @@ def manage_embeddings(config: FrigateConfig) -> None:
 
 
 class EmbeddingsContext:
-    def __init__(self):
+    def __init__(self, db: SqliteQueueDatabase):
-        self.embeddings = Embeddings()
+        self.db = db
+        self.embeddings = Embeddings(db)
         self.thumb_stats = ZScoreNormalization()
         self.desc_stats = ZScoreNormalization()
 
+        logger.info(f"Initializing db: {self.db}")
+
         # load stats from disk
         try:
-            with open(f"{CONFIG_DIR}/.search_stats.json", "r") as f:
+            with open(os.path.join(CONFIG_DIR, ".search_stats.json"), "r") as f:
                 data = json.loads(f.read())
                 self.thumb_stats.from_dict(data["thumb_stats"])
                 self.desc_stats.from_dict(data["desc_stats"])
@@ -87,5 +98,5 @@ class EmbeddingsContext:
             "thumb_stats": self.thumb_stats.to_dict(),
             "desc_stats": self.desc_stats.to_dict(),
         }
-        with open(f"{CONFIG_DIR}/.search_stats.json", "w") as f:
+        with open(os.path.join(CONFIG_DIR, ".search_stats.json"), "w") as f:
-            f.write(json.dumps(contents))
+            json.dump(contents, f)