1 files changed, 102 insertions, 0 deletions
diff --git a/utils/utils.py b/utils/utils.py
new file mode 100755
index 00000000..3f9795ca
--- /dev/null
+++ b/utils/utils.py
@@ -0,0 +1,102 @@
+#!/usr/bin/python2.6
+#
+# Copyright 2010 Google Inc. All Rights Reserved.
+
+"""Utilities for toolchain build."""
+
+__author__ = "asharif@google.com (Ahmad Sharif)"
+
+import hashlib
+import os
+import re
+import stat
+import command_executer
+import logger
+import tempfile
+from contextlib import contextmanager
+
+
+def GetRoot(scr_name):
+  """Break up pathname into (dir+name)."""
+  abs_path = os.path.abspath(scr_name)
+  return (os.path.dirname(abs_path), os.path.basename(abs_path))
+
+
+def FormatQuotedCommand(command):
+  return command.replace("\"", "\\\"")
+
+
+def FormatCommands(commands):
+  output = str(commands)
+  output = re.sub("&&", "&&\n", output)
+  output = re.sub(";", ";\n", output)
+  output = re.sub("\n+\s*", "\n", output)
+  return output
+
+
+def GetBuildPackagesCommand(board):
+  return "./build_packages --nousepkg --withdev --withtest --withautotest " \
+         "--skip_toolchain_update --nowithdebug --board=%s" % board
+
+
+def GetBuildImageCommand(board):
+  return "./build_image --withdev --board=%s" % board
+
+
+def GetModImageForTestCommand(board):
+  return "./mod_image_for_test.sh --yes --board=%s" % board
+
+
+def GetSetupBoardCommand(board, gcc_version=None, binutils_version=None,
+                         usepkg=None, force=None):
+  options = []
+
+  if gcc_version:
+    options.append("--gcc_version=%s" % gcc_version)
+
+  if binutils_version:
+    options.append("--binutils_version=%s" % binutils_version)
+
+  if usepkg:
+    options.append("--usepkg")
+  else:
+    options.append("--nousepkg")
+
+  if force:
+    options.append("--force")
+
+  return "./setup_board --board=%s %s" % (board, " ".join(options))
+
+
+def CanonicalizePath(path):
+  path = os.path.expanduser(path)
+  path = os.path.realpath(path)
+  return path
+
+
+def GetCtargetFromBoard(board, chromeos_root):
+  base_board = board.split("_")[0]
+  command = ("cat"
+             " $(cros_overlay_list --board=%s --primary_only)/toolchain.conf" %
+             (base_board))
+  ce = command_executer.GetCommandExecuter()
+  ret, out, err = ce.ChrootRunCommand(chromeos_root,
+                                      command,
+                                      return_output=True)
+  if ret != 0:
+    raise ValueError("Board %s is invalid!" % board)
+  return out.strip()
+
+
+@contextmanager
+def WorkingDirectory(new_dir):
+  old_dir = os.getcwd()
+  if old_dir != new_dir:
+    msg = "cd %s" % new_dir
+    logger.GetLogger().LogCmd(msg)
+  os.chdir(new_dir)
+  yield new_dir
+  if old_dir != new_dir:
+    msg = "cd %s" % old_dir
+    logger.GetLogger().LogCmd(msg)
+  os.chdir(old_dir)