[3.13] gh-154357: Fix tkinter, ttk and IDLE tests depending on the window manager (GH-154370) - #157065
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serhiy-storchaka merged 2 commits intoSep 7, 2026
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…the window manager (pythonGH-154370) The window manager can take the focus from the application, ignore lift() and resize a toplevel on its own. * Hide the root window in the dialog tests, so that it does not compete for the focus. * Take the focus right before generating a key event. * Tolerate additional focus events. * Do not check focus_get() and focus_displayof() without the focus. * Resize the toplevel to fit its content in wait_until_mapped(). (cherry picked from commit 3b56438)
serhiy-storchaka
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September 7, 2026 11:51
serhiy-storchaka
disabled auto-merge
September 7, 2026 12:32
SimpleDialog makes its window transient for the master unconditionally on this branch, and a transient of a hidden window is never mapped on Windows, so that go() blocks in wait_visibility().
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Manual backport of GH-154370: the cherry-pick does not apply, because this branch does not have all the tests which the original commit changes. The changes to
test_wm_stackorderare omitted -- there is no such test on this branch.The window manager can take the focus from the application, ignore
lift()and resize a toplevel on its own. Tk delivers generated keyboard events to the window which has the focus, so a test which lost the focus does not get the event at all.focus_get()andfocus_displayof()without the focus.wait_until_mapped().test_boundary_values_acceptedfails #154357