The Python binding to Yoga's C++ flexbox engine. Headless tests use [LayoutNode][pythonnative.layout.LayoutNode] and [calculate_layout][pythonnative.layout.calculate_layout] to compute frames (x, y, width, height) with stub intrinsic measurements.

Mobile renderers compile the same Yoga core into their native libraries and measure content beside their widgets. The browser preview runs Yoga WebAssembly. Those renderers return changed frames to the Python reconciler through the bridge.

For a conceptual overview, see Layout engine.

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• Browse the supported style keys: Component properties.
• See how leaf widgets contribute their intrinsic size: Native views.
• Read the conceptual walkthrough: Layout engine.