File: landmine_utils.py

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# Copyright 2013 The Chromium Authors
# 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'