google / openhtf / 42909171929

65%

master: 65%

Pull #1355

github

Add phase_collections.all_phases helper and clarify flatten docstring.

`phase_collections.flatten` unpacks nested Python iterables into top-level `PhaseNode` instances for executors while keeping container nodes such as `PhaseGroup` and `PhaseSequence` intact. Callers and unit tests that expect leaf `PhaseDescriptor` instances often call `flatten` by mistake when phase groups or sequences are present.

Document `flatten` behavior explicitly, add `phase_collections.all_phases` to recursively extract leaf `PhaseDescriptor` instances across nested iterables and phase containers, and delegate `util.test.get_flattened_phases` to `all_phases`.

PiperOrigin-RevId: 1018519924

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