[Python Study Notes]CS架构远程访问获取信息--SERVER端v2.0

Posted 2020-10-24 刘六六

CS架构远程访问获取信息--SERVER端v2.0

更新内容:

1.增加内存信息获取

2.增加电池信息获取

3.增加磁盘信息获取

4.重新布局窗体

5.增加窗体名称

6.增加连接成功之前,不可按压

 

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>>文件: ps_server.py
>>作者: liu yang
>>邮箱: [e-mail]
>>博客: www.cnblogs.com/liu66blog

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#!/usr/bin/env python
# -*- coding: utf-8 -*-

import sys, os
from socket import *
import  psutil
from time import sleep


\'\'\'得到cpu使用率\'\'\'
\'\'\'返回值:(float)cpu使用率\'\'\'
def get_cpu_percent():
    cpu_start_alltime=psutil.cpu_times()
    \'\'\'print(cpu_start_alltime)得到的内容:scputimes(user=14088.359375, system=20540.59375,
                            idle=362071.6875, interrupt=847.9375019073486, dpc=3795.6875)\'\'\'
    t1all=sum(cpu_start_alltime)#开始的cpu时间总和
    sleep(1)#休眠一秒
    cpu_end_alltime=psutil.cpu_times()
    t2all=sum(cpu_end_alltime)#结束时的cpu时间总和
    t1busy=t1all-cpu_start_alltime.idle#开始的忙碌时间=总时间-空闲时间
    t2busy=t2all-cpu_end_alltime.idle
    \'\'\'cpu使用率:(结束的忙碌时间-开始的忙碌时间)/(结束的总时间-开始的总时间)\'\'\'
    cpu_busy=(t2busy-t1busy)/(t2all-t1all)*100
    # print("cpu使用率:%0.2f"%cpu_busy+\'%\')
    return  cpu_busy
# 另一种写法
# def get_cpu_percent():
#     return psutil.cpu_percent(1)


\'\'\'将bytes数转换成更加直观的符号显示\'\'\'
\'\'\'返回值:(str)两位浮点数+B\'\'\'
def bytes2symbols(bytes_value):
    \'\'\'单位符号\'\'\'
    symbols = (\'K\' ,\'M\', \'G\', \'T\', \'P\', \'E\', \'Z\', \'Y\')
    \'\'\'每个单位对应的bytes数的字典,先定义为空\'\'\'
    prefix={}
    \'\'\'要得到这样的{K:1024, M:1024*1024,G:1024**3},进行for循环\'\'\'
    for i,s in enumerate(symbols):
        # \'\'\'enumerate()为列举函数\'\'\'
        # \'\'\'i:代表下标\'\'\'
        # \'\'\'s:代表改下标对应的值\'\'\'
        # \'\'\'取到符号元组的值,作为prfix字典的key,根据key给value进行赋值\'\'\'
        prefix[s]=1024**(i+1)
    # \'\'\'打印得到的对应字典\'\'\'
    # print(prefix)
    symbols_value=0
    symbol=\'\'
    # \'\'\'循环prefix字典,得到转换值\'\'\'
    for key,value in prefix.items():
        if bytes_value >=value :
            symbols_value=bytes_value/value
            symbol=key
        # 如果不满足最小的KB,则以B显示
        elif bytes_value <1024:
            return  \'%0.2fB\'%bytes_value
        # \'\'\'返回转换值(str)\'\'\'
    return  \'%0.2f%sB\'%(symbols_value,symbol)


\'\'\'得到内存信息\'\'\'
\'\'\'返回值:(str)内存信息\'\'\'
def get_memory():
    nt=psutil.virtual_memory()
    # 得到的数据:svmem(total=8482263040, available=1770676224, percent=79.1, used=6711586816, free=1770676224)
    # print(nt)
    total=bytes2symbols(nt.total)
    available=bytes2symbols(nt.available)
    percent=bytes2symbols(nt.percent)
    used=bytes2symbols(nt.used)
    free=bytes2symbols(nt.free)
    return ("总内存:%4s  \\n可使用:%4s  \\n已使用:%4s"%(total,available,used))


\'\'\'得到电池信息\'\'\'
\'\'\'返回值:(str)电池信息\'\'\'
def get_battery():
    ba=psutil.sensors_battery()
    # 未充电:sbattery(percent=13, secsleft=4294967295, power_plugged=False)
    # 在充电:sbattery(percent=14, secsleft= < BatteryTime.POWER_TIME_UNLIMITED: -2 >, power_plugged = True)
    battery=ba.percent
    if ba.power_plugged:
        power="正在充电中..."
    else:
        power="未充电"
    return (\'电量剩余:%d  电源状态:%2s\'%(battery,power))


\'\'\'磁盘分区信息显示\'\'\'
\'\'\'返回值:(str)磁盘信息\'\'\'
def get_disk():
    # 得到磁盘详细信息的列表
    disks = psutil.disk_partitions()
    # 磁盘信息列表
    disk_list = []
    disk_str=\'\'
    # 循环列表,打印
    for disk in disks:
        disk_list.append(\'disk:%2s type:%4s opts:%8s \\n\' % (disk.device, disk.fstype, disk.opts))
        disk_str+=\'disk:%2s type:%4s opts:%8s \\n\' % (disk.device, disk.fstype, disk.opts)
    # print(disk_str)
    return disk_str


# 在这里定义一个字典,存储字符和对应函数关系
command_dict={\'cpu\':get_cpu_percent,\'memory\':get_memory,\'battery\':get_battery,\'disk\':get_disk,}

# 创建服务端 TCP/IP IPv4
server=socket(AF_INET,SOCK_STREAM)
server.bind((\'localhost\',66))
server.listen(5)
print("等待客户端进行连接...")

while True:
    # 等待连接阻塞
    conn,addr=server.accept()
    # 元祖取值需要用方括号!!!
    print("%s已连接..."%addr[0])
    while True:
        data = conn.recv(1024).decode(\'utf-8\')
        if data in command_dict.keys():
            print(command_dict[data]())
            buf=str(command_dict[data]()).encode(\'utf-8\')
            print(buf.decode())
            conn.send(buf)
        if not data:
            print("客户按可能已断开连接...")
            break
    conn.close()
conn.close()