Split VSE strips en Python, usando un text de input

split_strips.py

import bpy

text = 'parts.adoc'

def split_from_text(text):
    lines = [l.body.strip() for l in bpy.data.texts[text].lines if l.body.strip()]
    split_sequence(lines)

def split_sequence(lines=['aaa', 'bbb', 'cccc']):
    parts = len(lines)
    seq = bpy.context.selected_sequences[0]
    end = seq.frame_final_end
    start = seq.frame_final_start
    duration = seq.frame_final_duration

    assert duration > parts, 'sequence too short to be split'

    part_duration = duration / parts
    print('\n' * 5)
    print('start', start)
    print('end', end)
    print('duration', duration)
    print('\n' * 3)

    for (cut, line) in zip(range(start, end, int(part_duration)), lines):
        print('cut', line, cut)
        if cut > start:
            print(bpy.ops.sequencer.cut(frame=cut, type='SOFT', side='RIGHT'))
        seq = bpy.context.selected_sequences[0]
        seq.text = line

split_from_text(text)