Python一键升级所有 模块/package

import os,time

allPackage=os.popen('pip list')

allPackage=allPackage.read()

allPackage=allPackage.split('\n')

allPackage=[pkg.split(' ')[0] for pkg in allPackage]

for pkg in allPackage:

	if pkg!='':

		print(os.popen('pip install -U {}'.format(pkg)).read())

		time.sleep(3)