87 lines
2.9 KiB
Python
87 lines
2.9 KiB
Python
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import json
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import os
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import argparse
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def convert_to_alpaca_format(input_file, output_file):
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"""
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将 Swift 格式的数据转换为 Alpaca 格式
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输入格式:
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{
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"system": "你是个优秀的论文分类师",
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"conversation": [
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{
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"human": "Based on the title...",
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"assistant": "D"
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}
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]
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}
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输出格式 (Alpaca):
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{
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"instruction": "根据论文的标题、作者和摘要，确定该论文的科学类别。",
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"input": "Based on the title...",
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"output": "D"
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}
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"""
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print(f"转换数据: {input_file} -> {output_file}")
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converted_data = []
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with open(input_file, "r", encoding="utf-8") as f:
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for line in f:
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try:
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data = json.loads(line.strip())
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# 检查数据结构
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if "system" not in data or "conversation" not in data:
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print(f"警告: 数据缺少必要字段: {data}")
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continue
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# 从 system 提取指令
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instruction = data.get("system", "")
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if not instruction:
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instruction = "根据论文的标题、作者和摘要，确定该论文的科学类别。"
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# 处理对话
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for turn in data["conversation"]:
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if "human" in turn and "assistant" in turn:
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# 创建新的 Alpaca 格式数据
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new_data = {
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"instruction": instruction,
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"input": turn["human"],
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"output": turn["assistant"],
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}
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converted_data.append(new_data)
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except json.JSONDecodeError:
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print(f"警告: 无法解析JSON行: {line}")
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except Exception as e:
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print(f"处理行时发生错误: {str(e)}")
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# 写入输出文件
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with open(output_file, "w", encoding="utf-8") as f:
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for item in converted_data:
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f.write(json.dumps(item, ensure_ascii=False) + "\n")
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print(f"转换完成! 共转换 {len(converted_data)} 条数据")
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if __name__ == "__main__":
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# parser = argparse.ArgumentParser(description="转换数据到Alpaca格式")
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# parser.add_argument(
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# "--input",
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# type=str,
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# required=True,
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# help="输入文件路径 (swift_formatted_sft_train_data.jsonl)",
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# )
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# parser.add_argument("--output", type=str, required=True, help="输出文件路径")
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# args = parser.parse_args()
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#input_file = "arxiv-metadata-oai-snapshot--random.json" # 20000条原始数据文件路径
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input_file = "arxiv-metadata-oai-snapshot--swift.json"
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output_file = "arxiv-metadata-oai-snapshot--xtuner.jsonl" # 输出文件路径
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convert_to_alpaca_format(input_file, output_file)
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