sqlalchemy.event.attr._InstanceLevelDispatch

class documentation

class _InstanceLevelDispatch(RefCollection[_ET], Collection[_ListenerFnType]): (source)

Known subclasses: sqlalchemy.event.attr._CompoundListener, sqlalchemy.event.attr._EmptyListener

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Undocumented

Method __bool__ Undocumented
Method __call__ Undocumented
Method __contains__ Undocumented
Method __iter__ Undocumented
Method __len__ Undocumented
Method append Undocumented
Method exec_once Undocumented
Method exec_once_unless_exception Undocumented
Method for_modify Return an event collection which can be modified.
Method insert Undocumented
Method remove Undocumented
Class Variable __slots__ Undocumented
Class Variable parent Undocumented
Method _adjust_fn_spec Undocumented
Method _exec_w_sync_on_first_run Undocumented

Inherited from RefCollection:

Class Variable ref Undocumented
Method _memoized_attr_ref Undocumented

Inherited from MemoizedSlots (via RefCollection):

Method __getattr__ Undocumented
Method _fallback_getattr Undocumented
def __bool__(self) -> bool: (source)
overridden in sqlalchemy.event.attr._CompoundListener, sqlalchemy.event.attr._EmptyListener

Undocumented

def __call__(self, *args: Any, **kw: Any): (source)
overridden in sqlalchemy.event.attr._CompoundListener, sqlalchemy.event.attr._EmptyListener

Undocumented

def __contains__(self, item: Any) -> bool: (source)
overridden in sqlalchemy.event.attr._CompoundListener, sqlalchemy.event.attr._EmptyListener

Undocumented

def __iter__(self) -> Iterator[_ListenerFnType]: (source)
overridden in sqlalchemy.event.attr._CompoundListener, sqlalchemy.event.attr._EmptyListener

Undocumented

def __len__(self) -> int: (source)
overridden in sqlalchemy.event.attr._CompoundListener, sqlalchemy.event.attr._EmptyListener

Undocumented

def append(self, event_key: _EventKey[_ET], propagate: bool): (source)
overridden in sqlalchemy.event.attr._EmptyListener, sqlalchemy.event.attr._JoinedListener, sqlalchemy.event.attr._ListenerCollection

Undocumented

def exec_once(self, *args: Any, **kw: Any): (source)
overridden in sqlalchemy.event.attr._CompoundListener, sqlalchemy.event.attr._EmptyListener

Undocumented

def exec_once_unless_exception(self, *args: Any, **kw: Any): (source)
overridden in sqlalchemy.event.attr._CompoundListener, sqlalchemy.event.attr._EmptyListener

Undocumented

def for_modify(self, obj: _DispatchCommon[_ET]) -> _InstanceLevelDispatch[_ET]: (source)
overridden in sqlalchemy.event.attr._EmptyListener, sqlalchemy.event.attr._JoinedListener, sqlalchemy.event.attr._ListenerCollection

Return an event collection which can be modified. For _ClsLevelDispatch at the class level of a dispatcher, this returns self.

def insert(self, event_key: _EventKey[_ET], propagate: bool): (source)
overridden in sqlalchemy.event.attr._EmptyListener, sqlalchemy.event.attr._JoinedListener, sqlalchemy.event.attr._ListenerCollection

Undocumented

def remove(self, event_key: _EventKey[_ET]): (source)
overridden in sqlalchemy.event.attr._EmptyListener, sqlalchemy.event.attr._JoinedListener, sqlalchemy.event.attr._ListenerCollection

Undocumented

__slots__: tuple = (source)
overrides sqlalchemy.event.attr.RefCollection.__slots__
overridden in sqlalchemy.event.attr._CompoundListener, sqlalchemy.event.attr._EmptyListener

Undocumented

parent: _ClsLevelDispatch[_ET] = (source)
overridden in sqlalchemy.event.attr._EmptyListener, sqlalchemy.event.attr._ListenerCollection

Undocumented

def _adjust_fn_spec(self, fn: _ListenerFnType, named: bool) -> _ListenerFnType: (source)
overridden in sqlalchemy.event.attr._JoinedListener

Undocumented

def _exec_w_sync_on_first_run(self, *args: Any, **kw: Any): (source)
overridden in sqlalchemy.event.attr._CompoundListener

Undocumented