74 lines
2.7 KiB
Python
74 lines
2.7 KiB
Python
import os
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import sys
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import argparse
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import pickle
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from midi_processing import extract_data, analyze_data
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def make_folder_if_not_exist(path):
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try:
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os.mkdir(path)
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except:
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pass
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def parse_argv():
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parser = argparse.ArgumentParser()
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parser.add_argument('midi_pack', help='folder name for midi pack in midi_packs folder', type=str)
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parser.add_argument('--n', help='name for experiment', type=str)
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parser.add_argument('--b', help='lengh of sequence in bars', type=int)
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parser.add_argument('-a', help='analize data', action='store_true')
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args = parser.parse_args()
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return args
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def ask_for_workflow():
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'''MODEL WORKFLOW DIALOG'''
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number_of_instruments = int(input('Please specify number of instruments\n'))
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model_workflow = dict()
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for i in range(number_of_instruments):
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input_string = input('Please specify a workflow step <Instrument> [<Second Instrument>] <mode> {m : melody, a : arrangment}\n')
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tokens = input_string.split()
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if tokens[-1] == 'm':
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model_workflow[i] = (tokens[0], 'melody')
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elif tokens[-1] == 'a':
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model_workflow[i] = ((tokens[1], tokens[0]), 'arrangment')
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else:
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raise ValueError("The step definitiom must end with {'m', 'a'}");
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make_folder_if_not_exist(os.path.join('training_sets', EXPERIMENT_NAME))
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pickle.dump(model_workflow, open(os.path.join('training_sets', EXPERIMENT_NAME, 'workflow.pkl'),'wb'))
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return model_workflow
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def extract_from_folder(model_workflow):
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for key, (instrument, how) in model_workflow.items():
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if how == 'melody':
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instrument_name = instrument
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else:
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instrument_name = instrument[1]
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make_folder_if_not_exist(os.path.join('training_sets', EXPERIMENT_NAME))
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save_path = os.path.join('training_sets', EXPERIMENT_NAME, instrument_name.lower() + '_data.pkl')
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x_train, y_train, program = extract_data(midi_folder_path=os.path.join('midi_packs', MIDI_PACK_NAME),
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how=how,
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instrument=instrument,
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bar_in_seq=BARS_IN_SEQ)
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pickle.dump((x_train, y_train, program), open(save_path,'wb'))
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if __name__ == '__main__':
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args = parse_argv()
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MIDI_PACK_NAME = args.midi_pack
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EXPERIMENT_NAME = args.n
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BARS_IN_SEQ = args.b
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if not EXPERIMENT_NAME:
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EXPERIMENT_NAME = MIDI_PACK_NAME
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if not BARS_IN_SEQ:
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BARS_IN_SEQ = 4
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ANALIZE = args.a
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if ANALIZE:
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analyze_data(os.path.join('midi_packs', MIDI_PACK_NAME))
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else:
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extract_from_folder(ask_for_workflow()) |