28 lines
1020 B
Python
28 lines
1020 B
Python
from datasets import load_dataset
|
|
import json
|
|
import os
|
|
|
|
|
|
if __name__ == "__main__":
|
|
dataset_dict = load_dataset("Blaze7451/Wiki-zh-20250601")
|
|
train_dataset = dataset_dict["train"]
|
|
chunk_size = 1000000
|
|
total_samples = len(train_dataset)
|
|
num_chunks = (total_samples // chunk_size) + 1
|
|
script_dir = os.path.dirname(os.path.abspath(__file__))
|
|
output_dir = os.path(script_dir, "dataset", "chinese-c4")
|
|
os.makedirs(output_dir, exist_ok=True)
|
|
|
|
|
|
for i in range(num_chunks):
|
|
start_idx = i * chunk_size
|
|
end_idx = min((i + 1) * chunk_size, total_samples)
|
|
chunk = train_dataset.select(range(start_idx, end_idx))
|
|
|
|
output_path = f"{output_dir}/{output_dir}_text_chunk_{i}.jsonl"
|
|
with open(output_path, "w", encoding="utf-8") as f:
|
|
for example in chunk:
|
|
json_line = {"text": example["text"]}
|
|
f.write(json.dumps(json_line, ensure_ascii=False) + "\n")
|
|
|
|
print(f"Saved text chunk {i} to {output_path}") |