256 lines
9.9 KiB
Python
256 lines
9.9 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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多样化回答生成 — 对每个问题用 Astron 高温生成 50 个不同回答
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5并发,若重复则重生成,增量保存防丢
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"""
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import json, requests, time, os, sys, random, hashlib
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from concurrent.futures import ThreadPoolExecutor, as_completed
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sys.stdout = os.fdopen(sys.stdout.fileno(), 'w', buffering=1)
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# ====== Astron 配置 ======
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ASTRON_URL = "https://maas-coding-api.cn-huabei-1.xf-yun.com/v2/chat/completions"
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ASTRON_KEY = os.environ.get("ASTRON_KEY", "")
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ASTRON_MODEL = "astron-code-latest"
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SYSTEM_PROMPT = """你是一个名叫小狸的8岁中国小女孩。
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你的人设:
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- 8岁女孩子,有点害羞但很可爱
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- 说话简单自然,符合小朋友的语气
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- 回答问题要简短,1-2句话就够了
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- 不要用"喵"结尾,不要过度卖萌
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回答要求:
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1. 语气自然,像真实的小朋友说话
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2. 不懂就说"不知道"
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3. 回答简洁但要说清楚,不要讲一半就停"""
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def call_astron(q, temperature):
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"""调用 Astron,返回回答或 None"""
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for attempt in range(3):
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try:
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headers = {"Content-Type": "application/json", "Authorization": f"Bearer {ASTRON_KEY}"}
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payload = {
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"model": ASTRON_MODEL,
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"messages": [
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{"role": "system", "content": SYSTEM_PROMPT},
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{"role": "user", "content": q}
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],
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"temperature": temperature,
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"max_tokens": 2048,
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}
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resp = requests.post(ASTRON_URL, headers=headers, json=payload, timeout=60)
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if resp.status_code == 200:
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content = resp.json()['choices'][0]['message']['content'].strip()
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if content and len(content) > 2:
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return content
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else:
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time.sleep(1)
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except Exception:
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time.sleep(2)
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return None
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def answer_fingerprint(text):
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"""回答指纹 — 去空格标点后取前 30 字"""
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clean = ''.join(text.split())[:30]
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return hashlib.md5(clean.encode()).hexdigest()
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def is_duplicate(new, existing):
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"""检查是否与已有回答重复(精确+模糊)"""
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fp = answer_fingerprint(new)
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if fp in existing:
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return True
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# 模糊:如果新回答是某个已有回答的子串或反之
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short_new = ''.join(new.split())[:20]
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for old_fp, old_text in existing.items():
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short_old = ''.join(old_text.split())[:20]
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if short_new in short_old or short_old in short_new:
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return True if len(short_new) > 8 else False
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return False
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def generate_answers_for_question(q, target=50, max_attempts=100, temperature=0.95):
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"""为单个问题生成 target 个不同回答"""
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answers = {} # fp -> full_text
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attempt = 0
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t_start = time.time()
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while len(answers) < target and attempt < max_attempts:
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# 温度在 0.85~1.0 之间随机波动,避免卡在同一模式
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temp = temperature + random.uniform(-0.1, 0.05)
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temp = max(0.85, min(1.0, temp))
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result = call_astron(f"问题:{q}\n\n请以小狸的身份回答:", temp)
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if result:
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if not is_duplicate(result, answers):
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fp = answer_fingerprint(result)
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answers[fp] = result
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attempt += 1
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if attempt % 20 == 0:
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elapsed = time.time() - t_start
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rate = len(answers) / max(elapsed, 1)
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if len(answers) < target and rate > 0:
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eta = (target - len(answers)) / rate
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else:
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eta = 0
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print(f" [{len(answers)}/{target}] attempt={attempt}, {rate:.1f}条/秒, 预计剩余{eta:.0f}秒")
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sys.stdout.flush()
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return list(answers.values())
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def main():
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model_dir = '/workspace/xiaoli-llm-chat'
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output_dir = os.path.join(model_dir, 'diverse_answers')
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os.makedirs(output_dir, exist_ok=True)
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# ====== 参数(可调) ======
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QUESTIONS_PER_BATCH = 100 # 每批处理多少问题
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ANSWERS_PER_QUESTION = 50 # 每个问题生成多少个不同回答
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MAX_ATTEMPTS = 150 # 最多尝试多少次(超过就放弃)
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MAX_WORKERS = 5 # Astron 5并发
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TEMPERATURE = 0.95 # 高温(0.85~1.0 浮动)
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# ====== 加载问题列表 ======
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train_path = os.path.join(model_dir, 'xiaoli_train_v2.json')
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with open(train_path, encoding='utf-8') as f:
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data = json.load(f)
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# 取所有不重复的问题
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all_questions = list(set(item.get('question', '') for item in data))
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random.shuffle(all_questions)
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print(f"训练集总条数: {len(data)}")
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print(f"不重复问题数: {len(all_questions)}")
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# 统计问题出现频次,优先处理高频问题
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q_freq = {}
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for item in data:
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q = item.get('question', '')
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q_freq[q] = q_freq.get(q, 0) + 1
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# 按频次排序(高频靠前,低频靠后,随机打乱同频)
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freq_buckets = {}
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for q in all_questions:
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f = q_freq.get(q, 1)
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freq_buckets.setdefault(f, []).append(q)
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sorted_questions = []
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for freq in sorted(freq_buckets.keys(), reverse=True):
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bucket = freq_buckets[freq]
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random.shuffle(bucket)
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sorted_questions.extend(bucket)
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print(f"按频次排序完成 (高频优先处理)")
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# ====== 恢复已有进度 ======
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progress_file = os.path.join(output_dir, 'diversity_progress.json')
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completed = {} # question -> list of answers
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if os.path.exists(progress_file):
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with open(progress_file, encoding='utf-8') as f:
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completed = json.load(f)
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# 过滤掉已处理的问题
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processed_qs = set(completed.keys())
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sorted_questions = [q for q in sorted_questions if q not in processed_qs]
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print(f"已有进度: {len(completed)} 个问题已完成")
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print(f"剩余未处理: {len(sorted_questions)} 个问题")
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# 限制要处理的问题数
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max_q = len(sorted_questions) # 全部问题
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total_questions = len(sorted_questions)
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total_batches = (total_questions + QUESTIONS_PER_BATCH - 1) // QUESTIONS_PER_BATCH
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print(f"\n目标: {total_questions} 个问题 × {ANSWERS_PER_QUESTION} 个回答 = {total_questions * ANSWERS_PER_QUESTION} 条")
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print(f"批次: {total_batches} 批 (每批 ≤{QUESTIONS_PER_BATCH} 问题)")
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print(f"并发: {MAX_WORKERS}")
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if total_questions > 1000:
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minutes = total_questions * ANSWERS_PER_QUESTION / (MAX_WORKERS * 8) / 60
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print(f"预估耗时: ~{minutes:.0f} 分钟 (~{minutes/60:.1f} 小时)")
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print(f"{'='*70}\n")
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t_start = time.time()
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total_new_pairs = 0
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for batch_idx in range(total_batches):
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batch_qs = sorted_questions[batch_idx * QUESTIONS_PER_BATCH : (batch_idx + 1) * QUESTIONS_PER_BATCH]
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batch_results = {}
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print(f"\n批次 {batch_idx + 1}/{total_batches} ({len(batch_qs)} 个问题)")
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# 并发生成
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with ThreadPoolExecutor(max_workers=MAX_WORKERS) as executor:
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futures = {
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executor.submit(generate_answers_for_question, q, ANSWERS_PER_QUESTION, MAX_ATTEMPTS, TEMPERATURE): q
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for q in batch_qs
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}
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for future in as_completed(futures):
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q = futures[future]
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try:
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answers = future.result()
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if answers:
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batch_results[q] = answers
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print(f" ✅ 『{q[:30]}』 → {len(answers)} 个不同回答")
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else:
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print(f" ❌ 『{q[:30]}』 → 生成失败")
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except Exception as e:
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print(f" ❌ 『{q[:30]}』 → 错误: {e}")
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# 追加到总进度
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completed.update(batch_results)
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batch_new_pairs = sum(len(v) for v in batch_results.values())
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total_new_pairs += batch_new_pairs
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# 保存进度
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with open(progress_file, 'w', encoding='utf-8') as f:
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json.dump(completed, f, ensure_ascii=False, indent=2)
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elapsed = time.time() - t_start
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rate = total_new_pairs / max(elapsed, 1) * 60
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# 统计
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print(f"\n批次 {batch_idx + 1} 完成 | "
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f"本批新增 {batch_new_pairs} 条 | "
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f"累计 {total_new_pairs:,} 条 ({len(completed)} 问题) | "
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f"{rate:.0f}条/分 | "
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f"已用 {elapsed/60:.1f}分")
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# ====== 完成 ======
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elapsed_total = time.time() - t_start
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print(f"\n{'='*70}")
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print(f"全部生成完成!")
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print(f"处理问题: {len(completed)} 个")
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print(f"总回答数: {total_new_pairs:,} 条")
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print(f"用时: {elapsed_total/60:.1f} 分钟")
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# ====== 保存为训练格式 ======
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train_format = []
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for q, answers in completed.items():
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for a in answers:
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train_format.append({'question': q, 'answer': a})
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output_file = os.path.join(output_dir, 'diverse_train_data_v1.json')
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with open(output_file, 'w', encoding='utf-8') as f:
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json.dump(train_format, f, ensure_ascii=False, indent=2)
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# 也保存一份到工作目录
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work_file = '/data/user/work/diverse_train_data_v1.json'
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with open(work_file, 'w', encoding='utf-8') as f:
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json.dump(train_format, f, ensure_ascii=False, indent=2)
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print(f"\n结果保存:")
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print(f" 📄 {output_file}")
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print(f" 📄 {work_file}")
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print(f" 📊 平均每问题 {total_new_pairs/max(len(completed),1):.1f} 个回答")
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print(f"\n如需合并到训练集:")
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print(f" python3 -c \"import json; d1=json.load(open('xiaoli_train_v2.json')); d2=json.load(open('{output_file}')); d1.extend(d2); json.dump(d1, open('xiaoli_train_v2.json','w'), ensure_ascii=False, indent=2)\"")
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print(f"{'='*70}")
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if __name__ == '__main__':
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main() |