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Sync bindings d0f6f4f: callback trampolines hold their callback and release their arguments - #36
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…elease their arguments A callback that replaced its own registration while it ran was freed mid-call, and every callback call leaked a reference to each argument. tests/test_callback_references.py covers both.
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Syncs generated/lvgl_python.c from PyDevices/lvgl-bindings#35 (
d0f6f4f). Two fixes for every LVGL callback that calls into Python:timer.set_cb(other)from inside the timer callback used to drop the only reference to the running callback.tree_walkcallback was never freed.tests/test_callback_references.pychecks both in a subprocess underMALLOC_PERTURB_. Against the bindings before this sync it fails both ways: the callback is dead after replacing itself, and a widget's reference count is up by 10 after 10 tree walks. With this sync it passes, as do the full suite (30 tests) and lvgl-bindings'tools/test_lvgl_smoke.py.This relies on #35:
mp_lv_funcptrnow returns a new reference, like every other converter the trampolines release.