多线程监测局域网内主机的每晚关机情况并记录在Excel表格内

#coding:utf-8
import subprocess,threading,time,os

R = threading.Lock()    #线程锁
threa_num = 100       #线程数

from openpyxl import load_workbook
from openpyxl.styles import Font, colors, Alignment
font_color_red = Font(color=colors.RED)
font_color_green = Font(color=colors.GREEN)

# print(os.path.join(os.getcwd(),os.listdir()[1]))

file = "ip.xlsx"
# file = os.path.join(os.getcwd(),"ip.xlsx")
def check_alive(ip):
    result = subprocess.call('ping -w 1000 -n 1 %s' %ip,stdout=subprocess.PIPE,shell=True)   #ubuntu:  ping -c1 -i0.3 -W1  %s      windows: ping -w 1000 -n 1 %s
    if result == 0:
        # h = subprocess.getoutput('ping ' + ip)
        # returnnum = h.split('平均 = ')[1]
        # print('33[32m%s33[0m 能ping通，延迟平均值为：%s' %(ip,returnnum))
        return True
    else:
        return False
        # print('33[31m%s33[0m ping 不通！' % ip)

def write_xlsx(ip,row,max_col):
    if check_alive(ip):
        print('%s 在线！' %(ip))
        # print('33[32m%s33[0m 在线！' %(ip))
        with R:
            sheet.cell(row = row, column = max_col).value = "在线"
            sheet.cell(row = row, column = max_col).font = font_color_green
    else:
        print('%s 不在线！' % ip)
        # print('33[31m%s33[0m 不在线！' % ip)
        with R:
            sheet.cell(row = row, column = max_col).value = "不在线"
            sheet.cell(row = row, column = max_col).font = font_color_red
        pass

if __name__ == '__main__':
    wb = load_workbook(file)
    # print(wb.get_sheet_names())   # 获得所有sheet的名称
    sheet = wb.get_sheet_by_name('Sheet1')   # 根据sheet名字获得sheet
    max_row = sheet.max_column+1

    for row in range(1,sheet.max_row+1):
        if row == 1:
            sheet.row_dimensions[max_row].width = 120
            sheet.cell(row = row, column = max_row).value = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
            continue
        # print(sheet.cell(row = row, column = 1).value)
        threading.Thread(target=write_xlsx,args=(sheet.cell(row = row, column = 1).value,row,max_row,)).start()
        while True:
                if len(threading.enumerate())>threa_num: #进程数
                    time.sleep(5)
                else:
                    break
    while True:
        if len(threading.enumerate())>=2: #进程数
            time.sleep(2)
        else:
            wb.save(file)
            print("保存完成".center(30,"-"))
            break
    quit()