Python to obtain computer hardware information and state of the implementation

In this paper, the method of obtaining computer hardware information and state in Python is demonstrated in the form of examples. Share with you for your reference. Specific methods are as follows:

The main function code is as follows:

#!/usr/bin/env python
# encoding: utf-8

from optparse import OptionParser
import os
import re
import json

def main():
  try:
    parser = OptionParser(usage="%prog [options]")
    reg_result=re.compile('[(.*)]')
    #add option
    parser.add_option("-m","--machine",action="store",type="string",dest="machine",help="the machine to be check")
    parser.add_option("-f","--file",action="store",type="string",dest="file",help="the file with machine list")
    parser.add_option("-n","--noah_path",action="store",type="string",dest="noah",help="the bns path or group")
    (options,args)=parser.parse_args()

    result=""
    if options.machine:
      options.machine=options.machine.replace(".baidu.com","")
      result=os.popen("meta-query entity host "+options.machine+" -f sysSuit,memTotal,diskTotal,cpuFrequency,cpuPhysicalCores,netIdc,status -j").read()
    elif options.file:
      result=os.popen("meta-query entity host -f sysSuit,memTotal,diskTotal,cpuFrequency,cpuPhysicalCores,netIdc,status -F "+options.file+" -j").read()
    elif options.noah:
      result=os.popen("get_instance_by_service "+options.noah+" |meta-query entity host -f sysSuit,memTotal,diskTotal,cpuFrequency,cpuPhysicalCores,netIdc,status -F -j").read()
    else:
      return

    result=json.loads(result)
    print "%-*s%-*s%-*s%-*s%-*s%-*s"%(40,"Name",10,"CPU",10,"memery",10,"disk",10,"IDC",10,"status")
    for item in result:
      if item['Values']['cpuFrequency']!="null":
        item['Values']['cpuFrequency']=str(float(item['Values']['cpuFrequency'])/1000.0)[0:3]
      else:
        item['Values']['cpuFrequency']="0"
      item['Values']['diskTotal']=str(float(item['Values']['diskTotal'])/1000000000.0)[0:5]
      item['Values']['memTotal']=str(float(item['Values']['memTotal'])/1024/1000.0)[0:5]
      
      print "%-*s%-*s%-*s%-*s%-*s%-*s" % (40,item['Name'],10,item['Values']['cpuFrequency']+" x"+item['Values']['cpuPhysicalCores'],10,item['Values']['memTotal']+"G",10,item['Values']['diskTotal']+"T",10,item['Values']['netIdc'],10,item['Values']['status'])
  except Exception,e:
    return

if __name__ =="__main__":
  main()

I hope that this article has helped you to learn Python programming.