Run Tasks at Session Start or End#
This guide addresses how to set up callbacks when a session is created and destroyed.
Whenever a request is made to an endpoint that is serving a Panel application a new session is created. If you have to perform some setup or tear down tasks on session creation (e.g. logging) you can define
In many cases it is useful to define
on_session_destroyed callbacks to perform any custom cleanup that is required, e.g, dispose a database engine, log out a user etc.
The callbacks must have the signature
def callback(session_context): ...
and can be registered with