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gen_labels.py
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gen_labels.py
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import os, random, re, argparse
if __name__ == "__main__":
parser = argparse.ArgumentParser(description="gen labels")
parser.add_argument('--imgs_dir', '-imgs_dir', help='the dir of train imgs', type=str, required=True)
parser.add_argument('--test_imgs_dir', '-test_imgs_dir', help='the dir of test imgs', type=str, required=True)
parser.add_argument('--ouput_dir', '-ouput_dir', help='the dir of out put label', type=str, default='label_ano')
parser.add_argument('--rate', '-rate', help='the rate of train and valid', type=float, default=0.8)
args = parser.parse_args()
imgsDir = args.imgs_dir
testImgsDir = args.test_imgs_dir
ouputDir = args.ouput_dir
train_rate = args.rate
if not os.path.isdir(ouputDir):
os.makedirs(ouputDir)
imgsList = os.listdir(imgsDir)
testFiles = os.listdir(testImgsDir)
random.shuffle(imgsList)
num = int(len(imgsList) * train_rate)
trainFiles = imgsList[:num]
valFiles = imgsList[num:]
trainOut = open(os.path.join(ouputDir, 'train.txt'), 'w', encoding='utf8')
valOut = open(os.path.join(ouputDir, 'val.txt'), 'w', encoding='utf8')
testOut = open(os.path.join(ouputDir, 'test.txt'), 'w', encoding='utf8')
if not trainOut.writable() or not valOut.writable() or not testOut.writable():
print("fail to open files")
exit(-1)
for fileName in trainFiles:
matchRes = re.match(r'^([A-Z0-9]+)(_?.*)\.(\w+)$', fileName)
if matchRes is not None:
trainOut.write(fileName + ' ' + matchRes.group(1) + '\n')
trainOut.close()
for fileName in valFiles:
matchRes = re.match(r'^([A-Z0-9]+)(_?.*)\.(\w+)$', fileName)
if matchRes is not None:
valOut.write(fileName + ' ' + matchRes.group(1) + '\n')
valOut.close()
for fileName in testFiles:
matchRes = re.match(r'^([A-Z0-9]+)\.(\w+)$', fileName)
if matchRes is not None:
testOut.write(fileName + ' ' + matchRes.group(1) + '\n')
testOut.close()
print('all done')