Yum install class.

yum.class.py

class pack_install:
	import yum
	packages = []
	def addPackage(self,p):
		self.packages.append(p)
		
	def runInstall(self):
		sys.path.append('/usr/share/yum-cli')
		import cli
		y = cli.YumBaseCli()
		y.doConfigSetup()
		y.doTsSetup()
		y.doRpmDBSetup()
		y.installPkgs(self.packages)
		y.buildTransaction()
		y.conf.setConfigOption('assumeyes',True)
		y.conf.setConfigOption('gpgcheck', False)
		y.doTransaction()
	def packageCount(self):
			return len(self.packages)