Вынес sqlite в отдельный модуль

src/common/sqlite.py

@@ -0,0 +1,60 @@
+class SQLiteCursorCompat:
+    def __init__(self, connection):
+        self.connection = connection
+        self.cursor = None
+
+    async def __aenter__(self):
+        self.cursor = await self.connection.cursor()
+        return self
+
+    async def __aexit__(self, exc_type, exc, tb):
+        if self.cursor is not None:
+            await self.cursor.close()
+        self.cursor = None
+
+    @property
+    def lastrowid(self):
+        return None if self.cursor is None else self.cursor.lastrowid
+
+    def _normalize_query(self, query):
+        return query.replace("%s", "?").replace(
+            "UNIX_TIMESTAMP()", "CAST(strftime('%s','now') AS INTEGER)"
+        )
+
+    async def execute(self, query, params=()):
+        normalized_query = self._normalize_query(query)
+        if params is None:
+            params = ()
+        elif not isinstance(params, (tuple, list, dict)):
+            params = (params,)
+        await self.cursor.execute(normalized_query, params)
+
+    async def fetchone(self):
+        row = await self.cursor.fetchone()
+        if row is None:
+            return None
+        return dict(row)
+
+    async def fetchall(self):
+        rows = await self.cursor.fetchall()
+        return [dict(row) for row in rows]
+
+class SQLiteConnectionCompat:
+    def __init__(self, connection):
+        self.connection = connection
+
+    async def __aenter__(self):
+        return self
+
+    async def __aexit__(self, exc_type, exc, tb):
+        return False
+
+    def cursor(self):
+        return SQLiteCursorCompat(self.connection)
+
+class SQLitePoolCompat:
+    def __init__(self, connection):
+        self.connection = connection
+
+    def acquire(self):
+        return SQLiteConnectionCompat(self.connection)