Initial release: async repository layer over SQLModel

metaorm/exceptions.py

@@ -0,0 +1,17 @@
+class DatabaseException(Exception):
+    pass
+
+
+class NotFoundError(DatabaseException):
+    def __init__(self, detail: str = "Not found"):
+        super().__init__(detail)
+
+
+class HaveNoSessionError(DatabaseException):
+    def __init__(self):
+        super().__init__("Have no actual session")
+
+
+class AlreadyExistsError(DatabaseException):
+    def __init__(self, detail: str = "Record already exists"):
+        super().__init__(detail)