print current net speed and cpu percentage

main.py

# https://stackoverflow.com/a/45064163/13040423
import time

import psutil

count = 0
qry = ""

ul = 0.00
dl = 0.00
t0 = time.time()


print(psutil.net_io_counters(pernic=True))


def t():
    interface = "vEthernet (虚拟交换机(自动))"
    return psutil.net_io_counters(pernic=True)[interface]


up_down = upload, download = t()[:2]


def cpu():
    return psutil.cpu_percent(interval=1)


while True:
    t1 = time.time()
    last_up_down = up_down
    up_down = upload, download = t()[:2]
    try:
        ul, dl = [
            (now - last) / (t1 - t0) / 1024.0
            for now, last in zip(up_down, last_up_down)
        ]
        t0 = time.time()
    except:
        pass
    if dl > 0.1 or ul >= 0.1:
        time.sleep(0.75)
        print(f"\r{cpu() = } {ul = :0.2f} kB/s {dl = :0.2f} kB/s", end="")