Is there any reason why I would expect after_update to be called but
before_update to never be called?
What is responsible for creating the .methods property on the
extension? I'm creating it by hand so that I can manually set the
extension property of a mapper after the fact. But there's nothing in
the documentation to suggest that this property is necessary for
correct behavior.
I would humbly suggest that this ought to be a property on
MapperExtension that creates that list if it doesn't already exist.
Whoever is creating it now is difficult enough to track down that I
gave up after about 30 minutes of tracing code.
Regards,
Ross
class MyExtension(MapperExtension):
def __init__(self):
# KLUDGE rab: added to avert error in sqlalchemy.orm.query
"FulltextUpdate has no attribute 'methods'"
MapperExtension.__init__(self)
self.methods = ('after_insert', 'after_update',
'before_delete')
def after_insert(self, mapper, connection, instance):
log.debug('after_insert() ran')
return EXT_CONTINUE;
def after_update(self, mapper, connection, instance):
log.debug('before_update() ran')
return EXT_CONTINUE;
def before_delete(self, mapper, connection, instance):
log.debug('before_delete() ran')
return EXT_CONTINUE;
SomeClass.mapper.extension = MyExtension()
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