Capd helpers #255

Job	Run time
macOS Sonoma Python 3.13 arm64	8m 35s
macOS Sonoma Python 3.12 arm64	6m 39s
macOS Sonoma Python 3.11 arm64	7m 14s
macOS Ventura Python 3.10 arm64 (cross)	11m 38s
macOS Ventura Python 3.9 arm64 (cross)	12m 55s
macOS Ventura Python 3.8 arm64 (cross)	11m 47s
macOS Ventura Python 3.7 arm64 (cross)	11m 56s
macOS Ventura Python 3.6 arm64 (cross)	17m 14s
macOS Ventura Python 3.13 x86_64	10m 55s
macOS Ventura Python 3.12 x86_64	15m 31s
macOS Ventura Python 3.11 x86_64	13m 38s
macOS Ventura Python 3.10 x86_64	9m 56s
macOS Ventura Python 3.9 x86_64	24m 0s
macOS Ventura Python 3.8 x86_64	17m 50s
macOS Ventura Python 3.7 x86_64	12m 55s
macOS Ventura Python 3.6 x86_64	14m 20s
	3h 27m 3s

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