pip list

pip list --outdated

pip install xxx

pip install --upgrade xxx

import subprocess
import os

command = "pip list --outdated"

print('正在获取需要升级的模块信息，请稍后...')
print('Getting the information of outdated modules, wait a moment...')
print()

outdatelist = subprocess.Popen (command, stdout=subprocess.PIPE,stderr=subprocess.PIPE, shell = True).stdout.readlines()
updatelist = []

#print(outdatelist)
for i in outdatelist:
 i = str(i, encoding='utf-8')
 print(i,end='')
 i = i[:i.find(' ')]
 updatelist.append(i)
 #print('\n', i, len(i))

updatelist = updatelist[2:]
#print(updatelist)

c = 1
total = len(updatelist)
if updatelist :
 for x in updatelist:
  print('\n', c, '/', total, ' upgrading ', x, sep='')
  c += 1
  tempcmd = "pip install --upgrade " + x
  os.system(tempcmd)
 print("所有模块都已更新完毕！！")
 print('All modules have been updated.')
else :
 print("没有模块需要更新！！")
 print('All modules is updated.')
print('请按回车键以退出程序。')
print('Press enter key to quit.')
input()

@echo off
%1 mshta vbscript:CreateObject("Shell.Application").ShellExecute("cmd.exe","/c %~s0 ::","","runas",1)(window.close)&&exit
cd /d "%~dp0"
start python autoUpgradePythonModules.py