Attendees: Victor, Benedikt, Mark, Amos, Benoit, Felix Agenda Review last week's action items: Felix & Benoit to add tests to master in preparation for the soft reload fix PR - will be ignored for now (or expected to fail - ideal if that's possible) Victor to review these to understand the need for isolated testing environment for each test discuss soft init/reload/shutdown modes: what are the use cases for each? are they all necessary? need to document if so. (Benoit/Felix)
Notes: PR for soft reload tests is failing, hasn't run on travis coverage reported is not accurate let's not worry too much about the coverage numbers and try to provide good tests for new features build times have gotten slower over time due to testing all shutdown modes do we need to run full tests for all modes? some of this is likely redundant let's remove unnecessary tests from travis additional run for every mode github actions? we should keep at least one version of python testing all shutdown modes drop everything except 3.7 from testing shutdown since that's the version we support in Unity? still want to catch regressions caused by new Python versions (e.g. API changes) long term we should look at moving from travis to github actions Unity shutdown/domain reload is using reload mode. do we need other two modes? (soft / none) we never use reloading when embedding C# in Python - just kill workers/instances and restart can we remove soft & none modes? what are the use cases for the other two modes? reload mode requires implementing a customer serializer for CLR objects Feilx is working on making the custom serializer optional so it still works without it with this update reload won't fail without a serializer does this make soft mode redundant? there are a lot of places where there are three code paths depending on the shutdown mode - can we simplify soft mode has no such requirement none - used for shutting down Python and not restarting it - makes no attempt to save state soft - does not maintain connections between CLR and Python objects, but saves state of Python interpreter reload - also maintains connections between CLR and Python objects all three modes are useful as they facilitate testing different parts of the system e.g. if something fails on only one of the modes, it's useful data currently all tests are run with all modes in all versions Travis problems jobs take forever to start job status not reporting at least partly connected to new free tier limitations https://blog.travis-ci.com/2020-11-02-travis-ci-new-billing <https://blog.travis-ci.com/2020-11-02-travis-ci-new-billing> we will need to move things off travis-ci.org by the end of the year travis is shutting down free travis access due to abuse move to travis-ci.com, still potential for free use but will be potentially limited longer term move to github actions needs to be evaluated Benedikt's SDK-style build system branch working well, except for some unexpected crashes using poetry instead of setuptools - much simpler than current PRs to come Action items: Felix will reduce the test combinations for soft shutdown on appveyor and travis to reduce build times and make a PR Felix will look at extracting domain reload tests to reduce/simplify build times and report back Benedikt will fix 32-bit issues The meeting notes google doc is here <https://docs.google.com/document/d/1rJVU84B_dgx58-_EopjRtOJVFAI2WfHJYV0n7uE1Oak/edit#>. Feel free to correct or add additional information. The next meeting will be held on Thursday, December 3 at 12pm EST (click for your time zone) <https://www.google.com/search?q=12:00+pm+EST>. Mark Visser Senior Dev Manager, M&E Unity Technologies - www.unity3d.com <http://www.unity3d.com/>
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