gh-100617: Add a timeout parameter to tkinter wait_window()#152620
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gh-100617: Add a timeout parameter to tkinter wait_window()#152620serhiy-storchaka wants to merge 1 commit into
serhiy-storchaka wants to merge 1 commit into
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Without a timeout wait_window() blocks until the widget is destroyed, which can hang indefinitely. The new keyword-only timeout parameter bounds the wait and returns whether the widget was destroyed. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Misc.wait_window()wraps the Tcltkwait windowcommand, which blocks until the window is destroyed.It can hang indefinitely — for example on macOS when an
after_idle()callback is scheduled before any window is shown (gh-100617).Add an optional keyword-only timeout argument (in seconds).
With a timeout the wait is reimplemented in Python on top of
tkapp.dooneevent(), pollingwinfo_exists(): it returnsTrueonce the window is destroyed, orFalseif the timeout elapsed first.Without a timeout the behaviour is unchanged (the native
tkwaitcall, always returnsTrue).