From ececad776b3694f178f36254db2b0a1608af71f8 Mon Sep 17 00:00:00 2001
From: q <q@six9.net>
Date: Wed, 2 Jul 2025 10:16:04 +0300
Subject: [PATCH] test non-imglist db

---
 py-packages/imagelist2/imagelist2/db.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/py-packages/imagelist2/imagelist2/db.py b/py-packages/imagelist2/imagelist2/db.py
index 97df092..900d566 100644
--- a/py-packages/imagelist2/imagelist2/db.py
+++ b/py-packages/imagelist2/imagelist2/db.py
@@ -75,6 +75,15 @@ class DB:
                 return
             db.close()
         except Exception:
+            # Test if it's an image-list DB at all:
+            try:
+                db = sqlite3.connect(self.sqlfile, timeout=30)
+                db.execute("SELECT 1 FROM data")
+                db.execute("SELECT 1 FROM list")
+                db.execute("SELECT 1 FROM files")
+            except sqlite3.OperationalError:
+                raise Exception("Database is not image-list DB")
+
             # last version without config
             config_version = "0.0.6"
         self.migrated = True