text: import os
  
  from quicktions import Fraction
  
  from musicscore.basic_functions import flatten
  from musicscore.musicstream.streamvoice import SimpleFormat
  from musicscore.musictree.treescoretimewise import TreeScoreTimewise
  
  path = str(os.path.abspath(__file__).split('.')[0])
  durations = [Fraction(2, 3), Fraction(279, 784), Fraction(899, 2352), Fraction(25, 42)]
  
  durations = flatten(durations)
  
  
  def get_chords():
      return score.get_measure(1).get_part(1).voices[1].chords
  
  
  sf = SimpleFormat(quarter_durations=durations)
  score = TreeScoreTimewise()
  sf.to_stream_voice().add_to_score(score)
  print('after add_to_score')
  print([chord.quarter_duration for chord in get_chords()])
  print(float(sum([chord.quarter_duration for chord in get_chords()])))
  score.update_measures()
  print('after update_measures')
  print([chord.quarter_duration for chord in get_chords()])
  print(float(sum([chord.quarter_duration for chord in get_chords()])))
  score.fill_with_rest()
  print('after fill_with_rest')
  print([chord.quarter_duration for chord in get_chords()])
  print(float(sum([chord.quarter_duration for chord in get_chords()])))
  score.preliminary_adjoin_rests()
  print('after preliminary_adjoin_rests')
  print([chord.quarter_duration for chord in get_chords()])
  print(float(sum([chord.quarter_duration for chord in get_chords()])))
  score.add_beats()
  print('after add_beats')
  print([sum([chord.quarter_duration for chord in beat.chords]) for beat in score.get_beats()])
  print([chord.quarter_duration for chord in get_chords()])
  print(float(sum([chord.quarter_duration for chord in get_chords()])))
  score.quantize()
  print('after quantize')
  print([chord.quarter_duration for chord in get_chords()])
  print(float(sum([chord.quarter_duration for chord in get_chords()])))
  
  xml_path = path + '_1.xml'
  score.write(xml_path)
  