On Sep 1, 2010, at 11:30 AM, Kent wrote:
> Please correct me if I'm mistaken and let me know if there is a better
> way:
>
> if attributes.instance_state(instance).has_identity:
> instance is Persistent or Detached
>
> if attributes.instance_state(instance).session_id:
> instance is Pending or Persistent
>
>
from sqlalchemy.orm import object_session
from sqlalchemy.orm.util import has_identity
transient:
object_session(obj) is None and not has_identity(obj)
detached:
object_session(obj) is None and has_identity(obj)
pending, persistent etc.
You've basically figured out the less public ways of doing the same thing.
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