Python 这个库开发测试网速工具后，再也不用担心网络异常了

pip install speedtest-cli

importspeedtest
importtime
fromdatetimeimportdatetime

class NetworkSpeedTester:
    def __init__(self):
        self.st = speedtest.Speedtest()
        self.results = None

    def find_best_server(self):
        print("正在搜索最佳测试服务器...")
        servers = self.st.get_servers()
        best_server = self.st.get_best_server()
        print(f"已选择服务器: {best_server['host']} ({best_server['country']})")
        print(f"服务器距离: {best_server['distance']:.2f} km")
        returnbest_server

    def run_speed_test(self, timeout=30):
        print("\n开始网速测试...")

        print("正在测试下载速度...")
        download_speed = self.st.download(timeout=timeout)

        print("正在测试上传速度...")
        upload_speed = self.st.upload(timeout=timeout)

        self.results = self.st.results.dict()

        return {
            'download': download_speed,
            'upload': upload_speed,
            'ping': self.results['ping'],
            'server': self.results['server']
        }

    def format_results(self, test_results):
        download_mbps = test_results['download'] /1_000_000
        upload_mbps = test_results['upload'] /1_000_000
        ping_ms = test_results['ping']

        quality = self.assess_network_quality(download_mbps, upload_mbps, ping_ms)

        print("\n"+"="*50)
        print("网速测试结果")
        print("="*50)
        print(f"测试时间: {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}")
        print(f"测试服务器: {test_results['server']['host']}")
        print(f"服务器位置: {test_results['server']['country']}")
        print("-"*50)
        print(f"下载速度: {download_mbps:.2f} Mbps")
        print(f"上传速度: {upload_mbps:.2f} Mbps")
        print(f"网络延迟: {ping_ms:.2f} ms")
        print("-"*50)
        print(f"网络质量评估: {quality}")
        print("="*50)

        return {
            'download_mbps': download_mbps,
            'upload_mbps': upload_mbps,
            'ping_ms': ping_ms,
            'quality': quality
        }

    def assess_network_quality(self, download, upload, ping):
        ifping<20:
            latency = "极佳"
        elifping<50:
            latency = "良好"
        elifping<100:
            latency = "一般"
        else:
            latency = "较差"

        ifdownload>100:
            speed = "超高速"
        elifdownload>50:
            speed = "高速"
        elifdownload>20:
            speed = "中速"
        else:
            speed = "低速"

        returnf"{speed}网络，延迟{latency}"


def main():
    print("Python 网速测试工具 v1.0")
    print("="*50)

    try:
        tester = NetworkSpeedTester()
        tester.find_best_server()
        raw_results = tester.run_speed_test(timeout=30)
        formatted_results = tester.format_results(raw_results)
        provide_recommendations(formatted_results)

    exceptspeedtest.ConfigRetrievalError:
        print("错误：无法连接到 Speedtest 服务器，请检查网络连接")
    exceptExceptionase:
        print(f"测试过程中发生错误: {str(e)}")


def provide_recommendations(results):
    print("\n建议：")

    ifresults['download_mbps'] <10:
        print("  - 下载速度较低，可能影响视频流媒体和大文件下载")
        print("    建议检查网络连接，或联系运营商")

    ifresults['upload_mbps'] <5:
        print("  - 上传速度较低，视频会议和文件上传会受影响")
        print("    可以考虑升级套餐，或优化上传设置")

    ifresults['ping_ms'] >100:
        print("  - 延迟偏高，实时通信和在线游戏体验会变差")
        print("    试试切换有线连接，或选择更近的服务器")

    ifresults['quality'].startswith("高速") andresults['ping_ms'] <50:
        print("  当前网络状态良好，适合所有网络应用")


if __name__ == "__main__":
    main()

Python 网速测试工具 v1.0
==================================================
正在搜索最佳测试服务器...
已选择服务器: speedtest.example.com (中国)
服务器距离: 125.43 km

开始网速测试...
正在测试下载速度...
正在测试上传速度...

==================================================
网速测试结果
==================================================
测试时间: 2026-03-26 16:30:15
测试服务器: speedtest.example.com
服务器位置: 中国
--------------------------------------------------
下载速度: 85.67 Mbps
上传速度: 32.45 Mbps
网络延迟: 28.73 ms
--------------------------------------------------
网络质量评估: 高速网络，延迟良好
==================================================

建议：
  当前网络状态良好，适合所有网络应用