def song_from_string(song_string):
"""
>>> gene1 = NoteGene(1,1,1,1,1)
>>> gene2 = NoteGene(2,2,2,2,2)
>>> gene3 = NoteGene(3,3,3,3,3)
>>> gene4 = NoteGene(4,4,4,4,4)
>>> nc1 = NoteChromosome(gene1,gene2,track_id=0,volume=1)
>>> nc2 = NoteChromosome(gene3,gene4,track_id=2,volume=3)
>>> song1 = GeneticSong(nc1, nc2)
>>> song2 = song_from_string(song1.__repr__())
>>> song1 == song2
True
"""
meta_data_list = song_string.split('\n')[0:4]
song_id, score, crossover_chance, mutation_chance = map(int, meta_data_list)
chromo_strings = song_string.split('\n', 4)[-1].replace('\n\n', '*').split('*')
chromo_list = map(chromosome_from_string, chromo_strings)
rv = GeneticSong(*chromo_list)
rv.score = score
rv.crossover_chance = crossover_chance
rv.mutation_chance = mutation_chance
rv.song_id = song_id
return rv
def song_from_string(song_string, config_file):
meta_data_list = song_string.split('\n')[0:2]
song_id, tempo = map(int, meta_data_list)
chromo_strings = song_string.split('\n', 2)[-1].replace('\n\n', '*').split('*')
chromo_list = [chromosome_from_string(string, config_file) for string in chromo_strings]
t_range = range(config_file.min_tempo, config_file.max_tempo + 1)
rv = GeneticSong(*chromo_list, tempo=tempo, tempo_range=t_range)
rv.song_id = song_id
return rv