102 lines
3.2 KiB
Python
102 lines
3.2 KiB
Python
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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测试线程输出问题 - 验证子线程中的print是否能正确显示
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"""
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import os
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import sys
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import threading
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import time
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# 设置UTF-8编码
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os.environ['PYTHONIOENCODING'] = 'utf-8'
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def test_main_thread_output():
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"""测试主线程输出"""
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print("📍 [主线程] 开始测试", flush=True)
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print("📍 [主线程] 这是主线程的输出", flush=True)
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print("📍 [主线程] 中文测试: 药店销售预测系统", flush=True)
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print("📍 [主线程] 表情符号: 🚀 📊 🤖", flush=True)
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def test_child_thread_output():
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"""测试子线程输出"""
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print("🔗 [子线程] 子线程开始执行", flush=True)
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# 模拟训练过程
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for i in range(3):
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print(f"🔗 [子线程] 模拟训练 Epoch {i+1}/3", flush=True)
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print(f"🔗 [子线程] 中文输出: 正在训练第 {i+1} 轮", flush=True)
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time.sleep(1)
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print("🔗 [子线程] 训练完成!", flush=True)
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print("🔗 [子线程] 子线程执行结束", flush=True)
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def test_thread_with_sys_flush():
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"""测试带强制刷新的子线程输出"""
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print("⚡ [强制刷新线程] 开始执行", flush=True)
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sys.stdout.flush()
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sys.stderr.flush()
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for i in range(3):
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print(f"⚡ [强制刷新线程] 训练进度 {i+1}/3", flush=True)
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# 强制刷新
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sys.stdout.flush()
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sys.stderr.flush()
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time.sleep(0.5)
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print("⚡ [强制刷新线程] 完成!", flush=True)
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sys.stdout.flush()
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def main():
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"""主测试函数"""
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print("=" * 60)
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print("🧪 线程输出测试开始")
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print("=" * 60)
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# 1. 测试主线程输出
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print("\n1️⃣ 主线程输出测试:")
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test_main_thread_output()
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# 2. 测试普通子线程输出
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print("\n2️⃣ 普通子线程输出测试:")
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thread1 = threading.Thread(target=test_child_thread_output)
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thread1.start()
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thread1.join()
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# 3. 测试强制刷新的子线程输出
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print("\n3️⃣ 强制刷新子线程输出测试:")
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thread2 = threading.Thread(target=test_thread_with_sys_flush)
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thread2.start()
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thread2.join()
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# 4. 模拟API训练任务的线程模式
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print("\n4️⃣ 模拟API训练任务:")
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def simulate_api_training():
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"""模拟API训练任务"""
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task_id = "test-task-123"
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print(f"🚀 [API模拟] 训练任务开始: {task_id}", flush=True)
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# 模拟预测器调用
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for epoch in range(2):
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print(f"📊 [API模拟] Epoch {epoch+1}/2, 训练损失: 0.12{epoch}", flush=True)
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sys.stdout.flush()
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time.sleep(1)
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print(f"✅ [API模拟] 训练完成: {task_id}", flush=True)
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sys.stdout.flush()
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api_thread = threading.Thread(target=simulate_api_training)
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api_thread.start()
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api_thread.join()
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print("\n" + "=" * 60)
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print("🎯 测试结论:")
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print("1. 如果看到所有线程的输出，说明线程输出正常")
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print("2. 如果只看到主线程输出，说明子线程输出被阻塞")
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print("3. 这将帮助我们确定API训练日志问题的根源")
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print("=" * 60)
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if __name__ == "__main__":
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main()
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