Use depot_tools toolchain, remove now unneeded code, fix not including path to win sdk tools

build/config/win/get_visual_studio_path.py

-# Copyright (c) 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 errno
-import glob
-import os
-import re
-import subprocess
-import sys
-
-"""
-This script searches for Visual Studio versions on the current system.
-
-Pass in the preferred VS version on the command line, or pass "auto" for
-autodetect.
-
-This script prints a string containing the VS root directory. On failure it
-returns the empty string.
-"""
-
-def _ConvertToCygpath(path):
-  """Convert to cygwin path if we are using cygwin."""
-  if sys.platform == 'cygwin':
-    p = subprocess.Popen(['cygpath', path], stdout=subprocess.PIPE)
-    path = p.communicate()[0].strip()
-  return path
-
-
-def _RegistryQueryBase(sysdir, key, value):
-  """Use reg.exe to read a particular key.
-
-  While ideally we might use the win32 module, we would like gyp to be
-  python neutral, so for instance cygwin python lacks this module.
-
-  Arguments:
-    sysdir: The system subdirectory to attempt to launch reg.exe from.
-    key: The registry key to read from.
-    value: The particular value to read.
-  Return:
-    stdout from reg.exe, or None for failure.
-  """
-  # Setup params to pass to and attempt to launch reg.exe
-  cmd = [os.path.join(os.environ.get('WINDIR', ''), sysdir, 'reg.exe'),
-         'query', key]
-  if value:
-    cmd.extend(['/v', value])
-  p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-  # Obtain the stdout from reg.exe, reading to the end so p.returncode is valid
-  # Note that the error text may be in [1] in some cases
-  text = p.communicate()[0]
-  # Check return code from reg.exe; officially 0==success and 1==error
-  if p.returncode:
-    return None
-  return text
-
-
-def _RegistryQuery(key, value=None):
-  """Use reg.exe to read a particular key through _RegistryQueryBase.
-
-  First tries to launch from %WinDir%\Sysnative to avoid WoW64 redirection. If
-  that fails, it falls back to System32.  Sysnative is available on Vista and
-  up and available on Windows Server 2003 and XP through KB patch 942589. Note
-  that Sysnative will always fail if using 64-bit python due to it being a
-  virtual directory and System32 will work correctly in the first place.
-
-  KB 942589 - http://support.microsoft.com/kb/942589/en-us.
-
-  Arguments:
-    key: The registry key.
-    value: The particular registry value to read (optional).
-  Return:
-    stdout from reg.exe, or None for failure.
-  """
-  text = None
-  try:
-    text = _RegistryQueryBase('Sysnative', key, value)
-  except OSError, e:
-    if e.errno == errno.ENOENT:
-      text = _RegistryQueryBase('System32', key, value)
-    else:
-      raise
-  return text
-
-
-def _RegistryGetValue(key, value):
-  """Use reg.exe to obtain the value of a registry key.
-
-  Args:
-    key: The registry key.
-    value: The particular registry value to read.
-  Return:
-    contents of the registry key's value, or None on failure.
-  """
-  text = _RegistryQuery(key, value)
-  if not text:
-    return None
-  # Extract value.
-  match = re.search(r'REG_\w+\s+([^\r]+)\r\n', text)
-  if not match:
-    return None
-  return match.group(1)
-
-
-def _DetectVisualStudioVersion(versions_to_check, force_express):
-  """Gets the path of the preferred Visual Studio version.
-
-  Returns:
-    The base path of Visual Studio based on the registry and a quick check if
-    devenv.exe exists.
-
-    Possibilities are:
-      2010(e) - Visual Studio 2010 (10)
-      2012(e) - Visual Studio 2012 (11)
-      2013(e) - Visual Studio 2013 (12)
-    Where (e) is e for express editions of MSVS and blank otherwise.
-  """
-  versions = []
-  for version in versions_to_check:
-    # Old method of searching for which VS version is installed
-    # We don't use the 2010-encouraged-way because we also want to get the
-    # path to the binaries, which it doesn't offer.
-    keys = [r'HKLM\Software\Microsoft\VisualStudio\%s' % version,
-            r'HKLM\Software\Wow6432Node\Microsoft\VisualStudio\%s' % version,
-            r'HKLM\Software\Microsoft\VCExpress\%s' % version,
-            r'HKLM\Software\Wow6432Node\Microsoft\VCExpress\%s' % version]
-    for index in range(len(keys)):
-      path = _RegistryGetValue(keys[index], 'InstallDir')
-      if not path:
-        continue
-      path = _ConvertToCygpath(path)
-      # Check for full.
-      full_path = os.path.join(path, 'devenv.exe')
-      express_path = os.path.join(path, '*express.exe')
-      if not force_express and os.path.exists(full_path):
-        return os.path.normpath(os.path.join(path, '..', '..'))
-      # Check for express.
-      elif glob.glob(express_path):
-        return os.path.normpath(os.path.join(path, '..', '..'))
-
-    # The old method above does not work when only SDK is installed.
-    keys = [r'HKLM\Software\Microsoft\VisualStudio\SxS\VC7',
-            r'HKLM\Software\Wow6432Node\Microsoft\VisualStudio\SxS\VC7']
-    for index in range(len(keys)):
-      path = _RegistryGetValue(keys[index], version)
-      if not path:
-        continue
-      path = _ConvertToCygpath(path)
-      return os.path.normpath(os.path.join(path, '..'))
-
-  return None
-
-if len(sys.argv) != 2:
-  print 'Usage: get_visual_studio_path.py <version>'
-  print 'Use "auto" for the version to autodetect.'
-  sys.exit(2)
-version_map = {
-  'auto': ('10.0', '12.0', '11.0'),
-  '2010': ('10.0',),
-  '2010e': ('10.0',),
-  '2012': ('11.0',),
-  '2012e': ('11.0',),
-  '2013': ('12.0',),
-  '2013e': ('12.0',),
-}
-
-requested_version = sys.argv[1]
-vs_path = _DetectVisualStudioVersion(version_map[requested_version],
-                                     'e' in requested_version)
-if not vs_path:
-  # No Visual Studio version detected.
-  print '""'  # Return empty string to .gn file.
-  sys.exit(1);
-
-# Return Visual Studio path to the .gn file.
-print '"%s"' % vs_path