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Flask: How to do server side cleanup when session expires?

I have some objects allocated and maintained on the server side throughout my session. How can I make sure they are cleared after the session ends?

Is there support for this in Flask, or some kind of Flask extension?

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It looks to me like you are creating objects, not storing them anywhere, just storing them in memory.

If so, then the garbage collector will automatically clean them up: just clean up all references to them, "forget about them" if you like. If you cannot access them yourself, they will be cleared.



If you want to be explicit, use a scheduler (maybe http://docs.python.org/2/library/sched.html ) and create a task calculated when the session expires. When the task is running, make sure that the session is really no longer needed and destroy your objects.

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