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Title: [3.14] gh-69134: Harden tkinter GUI tests that depend on a mapped widget (GH-152499) by miss-islington · Pull Request #152517 · python/cpython · GitHub

Open Graph Title: [3.14] gh-69134: Harden tkinter GUI tests that depend on a mapped widget (GH-152499) by miss-islington · Pull Request #152517 · python/cpython

X Title: [3.14] gh-69134: Harden tkinter GUI tests that depend on a mapped widget (GH-152499) by miss-islington · Pull Request #152517 · python/cpython

Description: Add wait_until_mapped() and AbstractTkTest.require_mapped() to test_tkinter.support and use them to guard the assertions that need a widget to be actually mapped (winfo_width(), identify(), coords(), ...). This avoids intermittent failures under window managers that do not map the widget promptly, without skipping the unrelated checks. (cherry picked from commit 0fff6bd) Co-authored-by: Serhiy Storchaka storchaka@gmail.com Co-authored-by: Claude Opus 4.8 noreply@anthropic.com Issue: gh-69134

Open Graph Description: Add wait_until_mapped() and AbstractTkTest.require_mapped() to test_tkinter.support and use them to guard the assertions that need a widget to be actually mapped (winfo_width(), identify(), coords(...

X Description: Add wait_until_mapped() and AbstractTkTest.require_mapped() to test_tkinter.support and use them to guard the assertions that need a widget to be actually mapped (winfo_width(), identify(), coords(...

Opengraph URL: https://github.com/python/cpython/pull/152517

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5322d20 gh-69134: Harden tkinter GUI tests that depend on a mapped widget (GH… serhiy-storchaka Jun 28, 2026 https://github.com/python/cpython/pull/152517/commits/5322d20f32720b2debe79baa1c5672de405b9aa7
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