697     """
 698     Verify that the specified user exists on this system, and can execute
 699     sudo without being prompted for a password.
 700     """
 701     testcmd = [SUDO, '-n', '-u', user, TRUE]
 702     can_sudo = exists = True
 703 
 704     if user in Cmd.verified_users:
 705         return True
 706 
 707     try:
 708         _ = getpwnam(user)
 709     except KeyError:
 710         exists = False
 711         logger.info("Warning: user '%s' does not exist.", user)
 712         return False
 713 
 714     p = Popen(testcmd)
 715     p.wait()
 716     if p.returncode is not 0:
 717         logger.info("Warning: user '%s' cannot use paswordless sudo.", user)
 718         return False
 719     else:
 720         Cmd.verified_users.append(user)
 721 
 722     return True
 723 
 724 
 725 def find_tests(testrun, options):
 726     """
 727     For the given list of pathnames, add files as Tests. For directories,
 728     if do_groups is True, add the directory as a TestGroup. If False,
 729     recursively search for executable files.
 730     """
 731 
 732     for p in sorted(options.pathnames):
 733         if os.path.isdir(p):
 734             for dirname, _, filenames in os.walk(p):
 735                 if options.do_groups:
 736                     testrun.addtestgroup(dirname, filenames, options)
 737                 else:

 697     """
 698     Verify that the specified user exists on this system, and can execute
 699     sudo without being prompted for a password.
 700     """
 701     testcmd = [SUDO, '-n', '-u', user, TRUE]
 702     can_sudo = exists = True
 703 
 704     if user in Cmd.verified_users:
 705         return True
 706 
 707     try:
 708         _ = getpwnam(user)
 709     except KeyError:
 710         exists = False
 711         logger.info("Warning: user '%s' does not exist.", user)
 712         return False
 713 
 714     p = Popen(testcmd)
 715     p.wait()
 716     if p.returncode is not 0:
 717         logger.info("Warning: user '%s' cannot use passwordless sudo.", user)
 718         return False
 719     else:
 720         Cmd.verified_users.append(user)
 721 
 722     return True
 723 
 724 
 725 def find_tests(testrun, options):
 726     """
 727     For the given list of pathnames, add files as Tests. For directories,
 728     if do_groups is True, add the directory as a TestGroup. If False,
 729     recursively search for executable files.
 730     """
 731 
 732     for p in sorted(options.pathnames):
 733         if os.path.isdir(p):
 734             for dirname, _, filenames in os.walk(p):
 735                 if options.do_groups:
 736                     testrun.addtestgroup(dirname, filenames, options)
 737                 else: