Classe « InstrumentationEvents »

Méthode sqlalchemy.orm.InstrumentationEvents.attribute_instrument

Signature de la méthode attribute_instrument

def attribute_instrument(self, cls, key, inst) 

Description

attribute_instrument.__doc__

Called when an attribute is instrumented.

.. container:: event_signatures

     Example argument forms::

        from sqlalchemy import event


        @event.listens_for(SomeBaseClass, 'attribute_instrument')
        def receive_attribute_instrument(cls, key, inst):
            "listen for the 'attribute_instrument' event"

            # ... (event handling logic) ...