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| author | Mike Bayer <mike_mp@zzzcomputing.com> | 2022-04-28 16:19:43 -0400 |
|---|---|---|
| committer | Mike Bayer <mike_mp@zzzcomputing.com> | 2022-05-03 15:58:45 -0400 |
| commit | 1fa3e2e3814b4d28deca7426bb3f36e7fb515496 (patch) | |
| tree | 9b07b8437b1190227c2e8c51f2e942936721000f /lib/sqlalchemy/event | |
| parent | 6a496a5f40efe6d58b09eeca9320829789ceaa54 (diff) | |
| download | sqlalchemy-1fa3e2e3814b4d28deca7426bb3f36e7fb515496.tar.gz | |
pep484: attributes and related
also implements __slots__ for QueryableAttribute,
InstrumentedAttribute, Relationship.Comparator.
Change-Id: I47e823160706fc35a616f1179a06c7864089e5b5
Diffstat (limited to 'lib/sqlalchemy/event')
| -rw-r--r-- | lib/sqlalchemy/event/base.py | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/sqlalchemy/event/base.py b/lib/sqlalchemy/event/base.py index c16f6870b..83b34a17f 100644 --- a/lib/sqlalchemy/event/base.py +++ b/lib/sqlalchemy/event/base.py @@ -108,10 +108,12 @@ class _Dispatch(_DispatchCommon[_ET]): """ - # In one ORM edge case, an attribute is added to _Dispatch, - # so __dict__ is used in just that case and potentially others. + # "active_history" is an ORM case we add here. ideally a better + # system would be in place for ad-hoc attributes. __slots__ = "_parent", "_instance_cls", "__dict__", "_empty_listeners" + _active_history: bool + _empty_listener_reg: MutableMapping[ Type[_ET], Dict[str, _EmptyListener[_ET]] ] = weakref.WeakKeyDictionary() |