diff options
Diffstat (limited to 'lib/sqlalchemy/orm/collections.py')
| -rw-r--r-- | lib/sqlalchemy/orm/collections.py | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/lib/sqlalchemy/orm/collections.py b/lib/sqlalchemy/orm/collections.py index b52329523..99e6464f2 100644 --- a/lib/sqlalchemy/orm/collections.py +++ b/lib/sqlalchemy/orm/collections.py @@ -471,6 +471,9 @@ class CollectionAdapter(object): The ORM uses an CollectionAdapter exclusively for interaction with entity collections. + The usage of getattr()/setattr() is currently to allow injection + of custom methods, such as to unwrap Zope security proxies. + """ def __init__(self, attr, owner_state, data): self._key = attr.key @@ -553,6 +556,12 @@ class CollectionAdapter(object): """Add or restore an entity to the collection, firing no events.""" getattr(self._data(), '_sa_appender')(item, _sa_initiator=False) + def append_multiple_without_event(self, items): + """Add or restore an entity to the collection, firing no events.""" + appender = getattr(self._data(), '_sa_appender') + for item in items: + appender(item, _sa_initiator=False) + def remove_with_event(self, item, initiator=None): """Remove an entity from the collection, firing mutation events.""" getattr(self._data(), '_sa_remover')(item, _sa_initiator=initiator) @@ -563,13 +572,17 @@ class CollectionAdapter(object): def clear_with_event(self, initiator=None): """Empty the collection, firing a mutation event for each entity.""" + + remover = getattr(self._data(), '_sa_remover') for item in list(self): - self.remove_with_event(item, initiator) + remover(item, _sa_initiator=initiator) def clear_without_event(self): """Empty the collection, firing no events.""" + + remover = getattr(self._data(), '_sa_remover') for item in list(self): - self.remove_without_event(item) + remover(item, _sa_initiator=False) def __iter__(self): """Iterate over entities in the collection.""" |