scripted_node.text.py

def make_geometry(origin, text, sizes):
    curves = bpy.data.curves
    objects = bpy.data.objects
    scene = bpy.context.scene

    name = 'sv_text_' + text
    tcu = curves.get(name, curves.new(name=name, type='FONT'))
    obj = objects.get(name, objects.new(name, tcu))

    obj.location = origin
    if not name in scene.objects:
        scene.objects.link(obj)

    obj['tracker_id'] = 'FROM_SN'

    try:
        tcu.font = bpy.data.fonts[node.fonts]
    except:
        tcu.font = bpy.data.fonts[0]

    tcu.body = text
    tcu.offset_x = 0
    tcu.offset_y = 0
    tcu.resolution_u = 2
    tcu.shear = 0
    tcu.size = sizes
    tcu.space_character = 1
    tcu.space_word = 1
    tcu.align = 'CENTER'
    # tcu.extrude = 0.0
    tcu.fill_mode = 'NONE'

def clean_up(idx, objs):
    objs = [obj.name for obj in objs if int(obj.name.split("_")[-1]) > idx]
    if not objs:
        return

    meshes = bpy.data.meshes
    objects = bpy.data.objects
    scene = bpy.context.scene

    # remove excess objects
    for object_name in objs:
        obj = objects[object_name]
        obj.hide_select = False
        scene.objects.unlink(obj)
        objects.remove(obj)

    # delete associated meshes
    for object_name in objs:
        meshes.remove(meshes[object_name])    

def sv_main(verts=[[]], sizes=1.0):
    verts_out = []
    edges_out = []

    in_sockets = [
        ['v', 'locations', verts],
        ['s', 'sizes', sizes]
    ]

    out_sockets = [
        ['v', 'verts', verts_out],
        ['s', 'edges', edges_out]
    ]
    
    if verts and verts[0]:
        verts = verts[0]

        print('locast')
        for idx, v in enumerate(verts):
            text = 'cola_' + str(idx)
            make_geometry(v, text, sizes)
        
        # cleanup step
        objs = (obj for obj in bpy.data.objects if 'tracker_id' in obj)
        clean_up(idx, objs)

    return in_sockets, out_sockets