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import argparse
import os.path
import ipdb
from datasets import load_dataset
def filter_test_dataset(example):
if example["quality_assessment"] is not None:
scores = list(example["quality_assessment"].values())
if example["quality_assessment"]['compositeStructure']>=3 and example["quality_assessment"]['imageQuality']==5 and not all(score == 5 for score in scores) and example['quality_assessment']['objectConsistency']==5:
return True
else:
return False
else:
return False
def filter_train_dataset(example):
if example["quality_assessment"] is not None:
return list(example["quality_assessment"].values()) == [5, 5, 5]
else:
return False
def parse_args():
parser = argparse.ArgumentParser("partition dataset")
parser.add_argument("--dataset", type=str, default=None,required=True)
parser.add_argument("--output_dir", type=str, default=None,required=True)
parser.add_argument("--partition", type=str, default=None,required=True,choices=["train","test"])
parser.add_argument("--num_shards", type=int, default=None)
parser.add_argument("--num_proc", type=int, default=32)
parser.add_argument("--cache", type=str, default="cache")
args = parser.parse_args()
if args.num_shards is None and args.partition == "train":
args.num_shards = len(os.listdir(args.dataset))
elif args.num_shards is None and args.partition == "test":
args.num_shards = 1
args.output_dir = os.path.join(args.output_dir, args.partition)
return args
if __name__ == "__main__":
args = parse_args()
os.makedirs(args.output_dir, exist_ok=True)
dataset = load_dataset(args.dataset, split="train", cache_dir=args.cache)
if args.partition == "train":
filtered_dataset = dataset.filter(filter_train_dataset,num_proc =args.num_proc)
elif args.partition == "test":
filtered_dataset = dataset.filter(filter_test_dataset,num_proc =args.num_proc)
output_path = os.path.join(args.output_dir,"data-{index:05d}-of-{num_shards:05d}.parquet")
for index in range(args.num_shards):
shard = filtered_dataset.shard(index=index, num_shards=args.num_shards, contiguous=True)
shard.to_parquet(output_path.format(index=index,num_shards=args.num_shards))
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