| # Copyright 2013 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 sys | |
| def IsWindows(): | |
| return sys.platform in ['win32', 'cygwin'] | |
| def IsLinux(): | |
| return sys.platform.startswith(('linux', 'freebsd', 'netbsd', 'openbsd')) | |
| def IsMac(): | |
| return sys.platform == 'darwin' | |
| def host_os(): | |
| """ | |
| Returns a string representing the host_os of the current system. | |
| Possible values: 'win', 'mac', 'linux', 'unknown'. | |
| """ | |
| if IsWindows(): | |
| return 'win' | |
| elif IsLinux(): | |
| return 'linux' | |
| elif IsMac(): | |
| return 'mac' | |
| else: | |
| return 'unknown' |