I tried strong referencing the objects stored in the session using :
def strong_reference_session(session):
@event.listens_for(session, "pending_to_persistent")
@event.listens_for(session, "deleted_to_persistent")
@event.listens_for(session, "detached_to_persistent")
@event.listens_for(session, "loaded_as_persistent")
def strong_ref_object(sess, instance):
if 'refs' not in sess.info:
sess.info['refs'] = refs = set()
else:
refs = sess.info['refs']
refs.add(instance)
as specified in the docs. Still, I have no way to get control over my
object, and in the example I sent you I stay in the same scope, so session
shouldn't lose reference to the object anyhow.
Moreover, in this example, I am just requesting the object, I don't make
any modifications on it, yet I can't flush, expire or expunge it, and
finally, the session.close() don't free the memory.
I don't get why in the simple example I sent you I can't flush my object.
If i was to loop over this function, my memory would grow infinitely, and
that's precisely what's happening when my script is running.
--
SQLAlchemy -
The Python SQL Toolkit and Object Relational Mapper
http://www.sqlalchemy.org/
To post example code, please provide an MCVE: Minimal, Complete, and Verifiable
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