python selenium执行所有测试用例并生成报告的方法

# -*- coding: utf-8 -*-import timeimport osimport os.pathimport reimport unittestimport HTMLTestRunnerimport shutilshutil.copyfile("setting.ini","../setting.ini")casepaths = []def createsuite(casepath):  testunit = unittest.TestSuite()  #discover方法定义  discover = unittest.defaultTestLoader.discover(  casepath,  pattern = 'case*.py',  top_level_dir= casepath  )  for test_suite in discover:    for test_case in test_suite:      testunit.addTest(test_case)  print testunit  return testunitfor parent,dirnames,filenames in os.walk('.'):   for filename in filenames:    #print "parent is:" + parent    #print "filename is:" + filename    path=os.path.join(parent,filename)    #正则判断是否为测试用例    match = re.match('case', filename)    if match:      print u"获取测试用例目录:%s"%parent      casepaths.append(parent)      break       #定义报告存放目录,支持相对路径now = time.strftime("%Y-%m-%M-%H-%M-%S",time.localtime(time.time()))filename = now+'report.html'fp = file(filename,'wb')runner = HTMLTestRunner.HTMLTestRunner(stream = fp,title = u'自动化测试报告',description = u'用例执行情况') for casepath in casepaths:  print u"正在执行 %s目录下的测试用例"%casepath  alltestnames = createsuite(casepath)  runner.run(alltestnames)  print u"执行 %s目录下的测试用例完成"%casepathprint u"完成所有测试用例执行任务"