Refactored to database.py

frigate/app.py

@@ -10,11 +10,6 @@ from typing import Dict, List
 
 import traceback
 import yaml
-from peewee_migrate import Router
-from playhouse.sqlite_ext import SqliteExtDatabase
-from playhouse.sqliteq import SqliteQueueDatabase
-from peewee import MySQLDatabase
-from playhouse.shortcuts import ReconnectMixin
 from pydantic import ValidationError
 
 from frigate.config import DetectorTypeEnum, FrigateConfig
@@ -23,7 +18,6 @@ from frigate.edgetpu import EdgeTPUProcess
 from frigate.events import EventCleanup, EventProcessor
 from frigate.http import create_app
 from frigate.log import log_process, root_configurer
-from frigate.models import Event, Recordings
 from frigate.mqtt import MqttSocketRelay, create_mqtt_client
 from frigate.object_processing import TrackedObjectProcessor
 from frigate.output import output_frames
@@ -32,12 +26,10 @@ from frigate.stats import StatsEmitter, stats_init
 from frigate.version import VERSION
 from frigate.video import capture_camera, track_camera
 from frigate.watchdog import FrigateWatchdog
+from frigate.database import resolve_db_from_config
 
 logger = logging.getLogger(__name__)
 
-class ReconnectMySQLDatabase(ReconnectMixin, MySQLDatabase):
-    pass
-
 class FrigateApp:
     def __init__(self):
         self.stop_event = mp.Event()
@@ -120,42 +112,7 @@ class FrigateApp:
         self.recordings_info_queue = mp.Queue()
 
     def init_database(self):
-        if self.config.database.type == "sqlite":
+        self.db = resolve_db_from_config(self.config)
-            # Migrate DB location
-            old_db_path = os.path.join(CLIPS_DIR, "frigate.db")
-            if not os.path.isfile(self.config.database.path) and os.path.isfile(
-                old_db_path
-            ):
-                os.rename(old_db_path, self.config.database.path)
-
-            # Migrate DB schema
-            migrate_db = SqliteExtDatabase(self.config.database.path)
-
-            # Run migrations
-            del logging.getLogger("peewee_migrate").handlers[:]
-            router = Router(migrate_db)
-            router.run()
-
-            migrate_db.close()
-
-            self.db = SqliteQueueDatabase(self.config.database.path)
-            models = [Event, Recordings]
-            self.db.bind(models)
-        elif self.config.database.type == "mysql":
-            self.db = ReconnectMySQLDatabase(self.config.database.database, 
-                host=self.config.database.host, 
-                port=self.config.database.port, 
-                user=self.config.database.user, 
-                passwd=self.config.database.password
-            )
-            models = [Event, Recordings]
-            self.db.bind(models)
-            
-            Event.create_table()
-            Recordings.create_table()
-
-        models = [Event, Recordings]
-        self.db.bind(models)
 
     def init_stats(self):
         self.stats_tracking = stats_init(self.camera_metrics, self.detectors)

frigate/database.py

@@ -0,0 +1,53 @@
+import os
+import logging
+from peewee import MySQLDatabase
+from peewee_migrate import Router
+from playhouse.sqlite_ext import SqliteExtDatabase
+from playhouse.sqliteq import SqliteQueueDatabase
+from playhouse.shortcuts import ReconnectMixin
+from frigate.const import CLIPS_DIR
+from frigate.models import Event, Recordings
+
+class ReconnectMySQLDatabase(ReconnectMixin, MySQLDatabase):
+    pass
+
+def resolve_db_from_config(config):
+    db = None
+    if config.database.type == "sqlite":
+        # Migrate DB location
+        old_db_path = os.path.join(CLIPS_DIR, "frigate.db")
+        if not os.path.isfile(config.database.path) and os.path.isfile(
+            old_db_path
+        ):
+            os.rename(old_db_path, config.database.path)
+
+        # Migrate DB schema
+        migrate_db = SqliteExtDatabase(config.database.path)
+
+        # Run migrations
+        del logging.getLogger("peewee_migrate").handlers[:]
+        router = Router(migrate_db)
+        router.run()
+
+        migrate_db.close()
+
+        db = SqliteQueueDatabase(config.database.path)
+        models = [Event, Recordings]
+        db.bind(models)
+    elif config.database.type == "mysql":
+        db = ReconnectMySQLDatabase(config.database.database, 
+            host=config.database.host, 
+            port=config.database.port, 
+            user=config.database.user, 
+            passwd=config.database.password
+        )
+        models = [Event, Recordings]
+        db.bind(models)
+        
+        Event.create_table()
+        Recordings.create_table()
+
+    models = [Event, Recordings]
+    db.bind(models)
+
+    return db