blob: 0e8f6808b2fccb80cd44561b483fc37078b22b6b [file] [log] [blame]
# Copyright (c) 2009-2010 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Defines a build related helper class."""
from __future__ import print_function
import os
import sys
class BuildObject(object):
"""Common base class that defines key paths in the source tree.
Classes that inherit from BuildObject can access scripts in the src/scripts
directory, and have a handle to the static directory of the devserver.
"""
def __init__(self, static_dir):
self.devserver_dir = os.path.dirname(os.path.abspath(sys.argv[0]))
self.static_dir = static_dir
self.scripts_dir = os.path.join(self.GetSourceRoot(), 'src/scripts')
@staticmethod
def GetSourceRoot():
"""Returns the path to the source root."""
src_root = os.environ.get('CROS_WORKON_SRCROOT')
if not src_root:
src_root = os.path.join(os.path.dirname(__file__), '..', '..', '..')
return os.path.realpath(src_root)
def GetLatestImageDir(self, board):
"""Returns the latest image dir based on shell script."""
cmd = '%s/get_latest_image.sh --board %s' % (self.scripts_dir, board)
return os.popen(cmd).read().strip()
def GetDefaultBoardID(self):
"""Returns the default board id stored in .default_board.
Default to x86-generic, if that isn't set.
"""
board_file = '%s/.default_board' % (self.scripts_dir)
try:
with open(board_file) as bf:
return bf.read().strip()
except IOError:
return 'x86-generic'