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Klayou 0.25 application crash

daidai
in KLayout Support

Hi mathias,

I'm not sure if it is a bug:

I have a script like this and i think it has problem

lv = pya.Application.instance().main_window().current_view()
marker = pya.Marker(lv)
marker._destroy
marker.set(pya.DBox.new(0.0, 0.0, 100.0, 200.0))

i make it and close klayout after that i can not open the application,it show "Application Crashed"

when i remove this script Klayout run normally.

daipv

Comments

  • jheinsoojheinsoo
    edited June 2019

    why would you _destory before .set? I think you are trying to use a pointer to a piece of memory you just released.

  • MatthiasMatthias

    I think that @jheinsoo is right - "_destroy" should only be used in rare cases, when you explicitly want to release resources for a big object such as a Layout.

    And it looks like the script was saved with "Autorun" on, so it will always run and give the crash.

    Most objects are safe and won't crash after _destroy - they will just raise an error. But as this comes with some overhead, lightweight objects such as a marker don't make an effort to be safe in this respect.

    Matthias

  • daidai

    I got it ,jheinsoo and Matthias.
    I should check if 'lv' is None or not before 'marker = pya.Marker(lv)' also
    Thank you very much

    daipv

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