get_tightbbox(self, renderer, *, for_layout_only=False)
If for_layout_only is True, then the width of the label (if this is an x-axis) or the height of the label (if this is a y-axis) is collapsed to near zero. This allows tight/constrained_layout to ignore too-long labels when doing their layout.
Return a bounding box that encloses the axis. It only accounts tick labels, axis label, and offsetText.
The following pages refer to to this document either explicitly or contain code examples using this.
matplotlib.axes._base._AxesBase.get_tightbbox
matplotlib.axes._base._AxesBase.get_window_extent
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