From: Arie Bovenberg <a.c.bovenberg@gmail.com>
Date: Tue, 1 Feb 2022 19:52:28 +0000 (+0100)
Subject: add missing slots to three more classes
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=70a9c4d46916b7c6907eb1d3ad4f7033ec964191;p=thirdparty%2Fsqlalchemy%2Fsqlalchemy.git

add missing slots to three more classes
---

diff --git a/lib/sqlalchemy/orm/interfaces.py b/lib/sqlalchemy/orm/interfaces.py
index ae2f78ad3e..b9a5aaf518 100644
--- a/lib/sqlalchemy/orm/interfaces.py
+++ b/lib/sqlalchemy/orm/interfaces.py
@@ -760,6 +760,8 @@ class ORMOption(ExecutableOption):
 
     """
 
+    __slots__ = ()
+
     _is_legacy_option = False
 
     propagate_to_loaders = False
diff --git a/lib/sqlalchemy/sql/base.py b/lib/sqlalchemy/sql/base.py
index 8ae8f8f65f..f4fe7afab2 100644
--- a/lib/sqlalchemy/sql/base.py
+++ b/lib/sqlalchemy/sql/base.py
@@ -639,6 +639,8 @@ class _MetaOptions(type):
 class Options(metaclass=_MetaOptions):
     """A cacheable option dictionary with defaults."""
 
+    __slots__ = ()
+
     def __init_subclass__(cls) -> None:
         dict_ = cls.__dict__
         cls._cache_attrs = tuple(
diff --git a/lib/sqlalchemy/sql/visitors.py b/lib/sqlalchemy/sql/visitors.py
index 04cd529fbd..640c07d618 100644
--- a/lib/sqlalchemy/sql/visitors.py
+++ b/lib/sqlalchemy/sql/visitors.py
@@ -508,6 +508,8 @@ class ExtendedInternalTraversal(InternalTraversal):
 
     """
 
+    __slots__ = ()
+
     dp_ignore = symbol("IG")
     """Specify an object that should be ignored entirely.