native_client_sdk/src/build_tools/build_version.py

   1 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 # Use of this source code is governed by a BSD-style license that can be
   3 # found in the LICENSE file.
   4
   5 """Small utility library of python functions used during SDK building.
   6 """
   7
   8 import os
   9 import sys
  10
  11 # pylint: disable=E0602
  12
  13 # Reuse last change utility code.
  14 SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
  15 SRC_DIR = os.path.dirname(os.path.dirname(os.path.dirname(SCRIPT_DIR)))
  16 sys.path.append(os.path.join(SRC_DIR, 'build/util'))
  17 import lastchange
  18
  19
  20 # Location of chrome's version file.
  21 VERSION_PATH = os.path.join(SRC_DIR, 'chrome', 'VERSION')
  22
  23
  24 def ChromeVersion():
  25   '''Extract chrome version from src/chrome/VERSION + svn.
  26
  27   Returns:
  28     Chrome version string or trunk + svn rev.
  29   '''
  30   info = lastchange.FetchVersionInfo(None)
  31   if info.url.startswith('/trunk/'):
  32     return 'trunk.%s' % info.revision
  33   else:
  34     return ChromeVersionNoTrunk()
  35
  36
  37 def ChromeVersionNoTrunk():
  38   '''Extract the chrome version from src/chrome/VERSION.
  39   Ignore whether this is a trunk build.
  40
  41   Returns:
  42     Chrome version string.
  43   '''
  44   exec(open(VERSION_PATH).read())
  45   return '%s.%s.%s.%s' % (MAJOR, MINOR, BUILD, PATCH)
  46
  47
  48 def ChromeMajorVersion():
  49   '''Extract chrome major version from src/chrome/VERSION.
  50
  51   Returns:
  52     Chrome major version.
  53   '''
  54   exec(open(VERSION_PATH, 'r').read())
  55   return str(MAJOR)
  56
  57
  58 def ChromeRevision():
  59   '''Extract chrome revision from svn.
  60
  61   Returns:
  62     The Chrome revision as a string. e.g. "12345"
  63   '''
  64   return lastchange.FetchVersionInfo(None).revision
  65
  66 def NaClRevision():
  67   '''Extract NaCl revision from svn.
  68
  69   Returns:
  70     The NaCl revision as a string. e.g. "12345"
  71   '''
  72   nacl_dir = os.path.join(SRC_DIR, 'native_client')
  73   return lastchange.FetchVersionInfo(None, nacl_dir).revision