Fix flaky pywinauto waits by tuning Timings and using wait_for instead of fixed sleeps
domain: pywinauto.readthedocs.io · 5 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checkedcommunity attestations: 0✓ / 0✗
Steps
Replace time.sleep() calls with explicit waits like dlg.child_window(title="OK").wait("visible", timeout=10)
Use pywinauto.timings.wait_until or a window's wait_for(...) conditions (exists, visible, enabled, ready) to poll instead of guessing a fixed delay
Adjust global timing behavior via from pywinauto.timings import Timings; Timings.fast() for quick local UI, or tune individual settings like Timings.window_find_timeout for slow-starting apps
For actions that fail intermittently, rely on pywinauto's built-in retry/timeout handling around the action rather than adding ad hoc loops
Increase a specific post-action delay like Timings.after_click_wait only for the action class that's actually flaky, not globally
Known gotchas
Timings.fast()/Timings.slow() change dozens of individual timing values at once, so tuning globally to fix one flaky wait can silently mask or introduce timing bugs elsewhere in the same suite
wait_for/wait() conditions check reported UI state, but a control can report visible and enabled before it has actually finished painting or is ready for input, especially in WPF/UIA apps with animations
Timeouts tuned for a fast local machine are a common source of works-locally-flaky-in-CI failures, since CI VMs are typically slower or CPU-throttled
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