python 获取网卡信息

# -*- coding: utf-8 -*-
import psutil
import time
import socket  # 确保导入socket模块

def get_network_info():
    # 获取所有网络接口信息
    interfaces = psutil.net_if_addrs()
    stats = psutil.net_io_counters(pernic=True)
    
    for interface, addrs in interfaces.items():
        print("\n接口: {}".format(interface))
        # 打印IP地址
        for addr in addrs:
            if addr.family == socket.AF_INET:  # 这里必须使用socket.AF_INET
                print("  IP地址: {}".format(addr.address))
        
        # 打印流量统计
        if interface in stats:
            io = stats[interface]
            print("  发送字节: {}".format(io.bytes_sent))
            print("  接收字节: {}".format(io.bytes_recv))

def monitor_network(interval=5):
    try:
        while True:
            get_network_info()
            time.sleep(interval)
    except KeyboardInterrupt:
        print("\n监控已停止")

if __name__ == "__main__":
    monitor_network()

测试的环境：centos7.9+python3.6

输出效果：