python获取电脑状态

注意

素材说明: python获取电脑状态目前只在windows下验证过

注意

在windows下建议使用vscode运行，如果无法通讯时，建议使用管理员权限打开vscode再运行，由于pycharm需要配置虚拟环境，不建议在pycharm下运行，可能会导致无法通讯。

此例程属于python代码，仅提供参考，淘晶驰不提供python代码的技术支持。

python获取电脑状态代码

import time
import psutil
from cushy_serial import CushySerial

time.sleep(1)


# 获取CPU状态
def getCPUstate(interval=1):
    return (" CPU: " + str(psutil.cpu_percent(interval)) + "%")


# 获取内存状态
def getMemorystate():
    phymem = psutil.virtual_memory()
    line = "Memory: %5s%% %6s/%s" % (
        phymem.percent,
        str(int(phymem.used / 1024 / 1024)) + "M",
        str(int(phymem.total / 1024 / 1024)) + "M"
    )
    return line

# 将数据显示为方便查看的方式
def bytes2human(n):
    symbols = ('K', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y')
    prefix = {}
    for i, s in enumerate(symbols):
        prefix[s] = 1 << (i + 1) * 10
    for s in reversed(symbols):
        if n >= prefix[s]:
            value = float(n) / prefix[s]
            return '%.2f %s' % (value, s)
    return '%.2f B' % (n)


def poll(interval):
    """Retrieve raw stats within an interval window."""
    tot_before = psutil.net_io_counters()
    pnic_before = psutil.net_io_counters(pernic=True)
    # sleep some time
    time.sleep(interval)
    tot_after = psutil.net_io_counters()
    pnic_after = psutil.net_io_counters(pernic=True)
    # get cpu state
    cpu_state = getCPUstate(interval)
    # get memory
    memory_state = getMemorystate()
    return (tot_before, tot_after, pnic_before, pnic_after, cpu_state, memory_state)


def refresh_window(tot_before, tot_after, pnic_before, pnic_after, cpu_state, memory_state):

    # 发送CPU数据
    str = "t0.txt=\"" + time.asctime() + " | " + cpu_state + " | " + memory_state + "\""
    serial.send(str.encode("GB2312"))
    serial.send(bytes.fromhex('ff ff ff'))

    # 获取所有网卡名称
    nic_names = pnic_after.keys()

    for name in nic_names:
        # 有线一般是"以太网",无线则是"WLAN",具体请查看"控制面板\网络和 Internet\网络连接"
        if name == "以太网":
            stats_before = pnic_before[name]
            stats_after = pnic_after[name]
            templ = "%-15s %15s %15s"
            str = "t1.txt=\"上传数据总量" + bytes2human(stats_after.bytes_sent) + "   上传速度:" + bytes2human(stats_after.bytes_sent - stats_before.bytes_sent) + '/s\"'
            serial.send(str.encode("GB2312"))
            serial.send(bytes.fromhex('ff ff ff'))
            str = "t2.txt=\"下载数据总量" + bytes2human(stats_after.bytes_recv) + "   下载速度:" + bytes2human(stats_after.bytes_recv - stats_before.bytes_recv) + '/s\"'
            serial.send(str.encode("GB2312"))
            serial.send(bytes.fromhex('ff ff ff'))


try:
    interval = 0
    portx = "COM4"
    bauds = 115200
    timex = 5
    serial = CushySerial(portx, bauds)
    while 1:
        args = poll(interval)
        refresh_window(*args)
        interval = 1
except (KeyboardInterrupt, SystemExit):
    pass

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