Convenience function to pad the axes in matplotlib

pad_axis_matplotlib.py

def pad_axis(ax, pct=2.0):
    for dim in ('x', 'y'):
        getter = ax.get_xlim if dim =='x' else ax.get_ylim
        setter = ax.set_xlim if dim =='x' else ax.set_ylim
        
        lo, hi = getter()
        pad = (hi-lo) / 100.0 * pct
        setter(lo-pad, hi+pad)