| #!/usr/bin/env python |
| # Copyright 2016 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| import os |
| import logging |
| import subprocess |
| import platform |
| import time |
| |
| |
| def ShouldStartXvfb(): |
| return platform.system() == 'Linux' |
| |
| |
| def StartXvfb(): |
| display = ':99' |
| xvfb_command = ['Xvfb', display, '-screen', '0', '1024x769x24', '-ac'] |
| xvfb_process = subprocess.Popen( |
| xvfb_command, stdout=subprocess.PIPE, stderr=subprocess.STDOUT) |
| time.sleep(0.2) |
| returncode = xvfb_process.poll() |
| if returncode is None: |
| os.environ['DISPLAY'] = display |
| else: |
| logging.error('Xvfb did not start, returncode: %s, stdout:\n%s', |
| returncode, xvfb_process.stdout.read()) |
| xvfb_process = None |
| return xvfb_process |
