test

nice_points_from_curve.py

import bpy
from mathutils.geometry import interpolate_bezier


def get_points(spline):
    
    knots = spline.bezier_points

    if len(knots) >= 2:
        return

    r = spline.resolution_u + 1
    segments = len(knots)
    
    if not spline.use_cyclic_u:
        segments -= 1

    master_point_list = []
    for i in range(segments):
        inext = (i + 1) % len(knots)

        knot1 = knots[i].co
        handle1 = knots[i].handle_right
        handle2 = knots[inext].handle_left
        knot2 = knots[inext].co
        
        bezier = knot1, handle1, handle2, knot2, r
        points = interpolate_bezier(*bezier)
        master_point_list.extend(points)

    # some clean up to remove consecutive doubles.
    return master_point_list


spline = bpy.data.curves[0].splines[0]

points = get_points(spline)
print(points)