praca-magisterska/project/train.py
2019-10-27 14:34:02 +01:00

79 lines
2.7 KiB
Python

import os
import sys
import pickle
import keras
import argparse
import warnings
from model import Seq2SeqModel
from extract import make_folder_if_not_exist
# TODO:
# FIXME:
def parse_argv():
parser = argparse.ArgumentParser()
parser.add_argument('n', help='name for experiment', type=str)
parser.add_argument('--b', help='batch_size', type=int)
parser.add_argument('--l', help='latent_dim', type=int)
parser.add_argument('--e', help='epochs', type=int)
parser.add_argument('--i', help='refrance to instrument to train, if you want to train only one instument')
parser.add_argument('-r', help='reset, use when you want to reset waights and train from scratch', action='store_true')
args = parser.parse_args()
return args
def load_workflow():
workflow_path = os.path.join('training_sets', EXPERIMENT_NAME, 'workflow.pkl')
if os.path.isfile(workflow_path):
model_workflow = pickle.load(open(workflow_path,'rb'))
else:
raise FileNotFoundError(f'There is no workflow.pkl file in trainig_sets/{EXPERIMENT_NAME}/ folder')
return model_workflow
def train_models(model_workflow):
instruments = [instrument if how == 'melody' else instrument[1] for key, (instrument, how) in model_workflow.items()]
# make_folder_if_not_exist(os.mkdir(os.path.join('models',EXPERIMENT_NAME)))
found = False
for instrument in instruments:
if INSTRUMENT == None or INSTRUMENT == instrument:
data_path = os.path.join('training_sets', EXPERIMENT_NAME, instrument.lower() + '_data.pkl')
model_path = os.path.join('models', EXPERIMENT_NAME, f'{instrument.lower()}_model.h5')
x_train, y_train, _ = pickle.load(open(data_path,'rb'))
model = Seq2SeqModel(LATENT_DIM, x_train, y_train)
if os.path.isfile(model_path) and not RESET:
model.load(model_path)
print(f'Training: {instrument}')
model.fit(BATCH_SIZE, EPOCHS, callbacks=[])
model.save(model_path)
found = True
if not found:
raise ValueError(f'Instrument not found. Use one of the {instruments}')
if __name__ == '__main__':
warnings.filterwarnings("ignore")
args = parse_argv()
EXPERIMENT_NAME = args.n
BATCH_SIZE = args.b
LATENT_DIM = args.l
EPOCHS = args.e
RESET = args.r
INSTRUMENT = args.i
# default settings if not args passed
if not BATCH_SIZE:
BATCH_SIZE = 32
if not LATENT_DIM:
LATENT_DIM = 256
if not EPOCHS:
EPOCHS = 1
if not RESET:
RESET = False
train_models(load_workflow())