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instruct/1.py

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+import json
+import random
+
+# 设置随机种子以便可复现
+random.seed(42)
+
+# 读取原始 jsonl 文件
+input_file = "alpaca-gpt4.jsonl"  # 请替换为你的路径
+with open(input_file, "r", encoding="utf-8") as f:
+    data = [json.loads(line) for line in f]
+
+# 打乱数据
+random.shuffle(data)
+
+# 重新格式化为 {"text": instruction + input, "result": output}
+processed = []
+for item in data:
+    instruction = item.get("instruction", "")
+    input_text = item.get("input", "")
+    output_text = item.get("output", "")
+    text = instruction + "\n" + input_text if input_text else instruction
+    processed.append({
+        "text": text.strip(),
+        "result": output_text.strip()
+    })
+
+# 划分数据
+n = len(processed)
+n_train = int(n * 0.8)
+n_valid = int(n * 0.1)
+n_test = n - n_train - n_valid  # 保证总数一致
+
+train_data = processed[:n_train]
+valid_data = processed[n_train:n_train + n_valid]
+test_data  = processed[n_train + n_valid:]
+
+# 写入三个文件
+def write_jsonl(filename, dataset):
+    with open(filename, "w", encoding="utf-8") as f:
+        for item in dataset:
+            f.write(json.dumps(item, ensure_ascii=False) + "\n")
+
+write_jsonl("alpaca-gpt4-train.jsonl", train_data)
+write_jsonl("alpaca-gpt4-valid.jsonl", valid_data)
+write_jsonl("alpaca-gpt4-test.jsonl", test_data)