|  | #! /usr/bin/env python3 | 
|  |  | 
|  | # Wrapper for tests that hides the output if they succeed. | 
|  | # Used by "make check" | 
|  | # | 
|  | # Copyright (C) 2020 Red Hat, Inc. | 
|  | # | 
|  | # Author: Paolo Bonzini <pbonzini@redhat.com> | 
|  |  | 
|  | import subprocess | 
|  | import sys | 
|  | import os | 
|  | import argparse | 
|  |  | 
|  | parser = argparse.ArgumentParser(description='Test driver for QEMU') | 
|  | parser.add_argument('-C', metavar='DIR', dest='dir', default='.', | 
|  | help='change to DIR before doing anything else') | 
|  | parser.add_argument('-v', '--verbose', dest='verbose', action='store_true', | 
|  | help='be more verbose') | 
|  | parser.add_argument('test_args', nargs=argparse.REMAINDER) | 
|  |  | 
|  | args = parser.parse_args() | 
|  | os.chdir(args.dir) | 
|  |  | 
|  | test_args = args.test_args | 
|  | if test_args[0] == '--': | 
|  | test_args = test_args[1:] | 
|  |  | 
|  | if args.verbose: | 
|  | result = subprocess.run(test_args, stdout=None, stderr=None) | 
|  | else: | 
|  | result = subprocess.run(test_args, stdout=subprocess.PIPE, stderr=subprocess.STDOUT) | 
|  | if result.returncode: | 
|  | sys.stdout.buffer.write(result.stdout) | 
|  | sys.exit(result.returncode) |