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# Copyright (c) 2013 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Handle version information related to Visual Stuio."""
import errno
import os
import re
import subprocess
import sys
import gyp
class VisualStudioVersion(object):
"""Information regarding a version of Visual Studio."""
def __init__(self, short_name, description,
solution_version, project_version, flat_sln, uses_vcxproj,
path, sdk_based, default_toolset=None):
self.short_name = short_name
self.description = description
self.solution_version = solution_version
self.project_version = project_version
self.flat_sln = flat_sln
self.uses_vcxproj = uses_vcxproj
self.path = path
self.sdk_based = sdk_based
self.default_toolset = default_toolset
def ShortName(self):
return self.short_name
def Description(self):
"""Get the full description of the version."""
return self.description
def SolutionVersion(self):
"""Get the version number of the sln files."""
return self.solution_version
def ProjectVersion(self):
"""Get the version number of the vcproj or vcxproj files."""
return self.project_version
def FlatSolution(self):
return self.flat_sln
def UsesVcxproj(self):
"""Returns true if this version uses a vcxproj file."""
return self.uses_vcxproj
def ProjectExtension(self):
"""Returns the file extension for the project."""
return self.uses_vcxproj and '.vcxproj' or '.vcproj'
def Path(self):
"""Returns the path to Visual Studio installation."""
return self.path
def ToolPath(self, tool):
"""Returns the path to a given compiler tool. """
return os.path.normpath(os.path.join(self.path, "VC/bin", tool))
def DefaultToolset(self):
"""Returns the msbuild toolset version that will be used in the absence
of a user override."""
return self.default_toolset
def SetupScript(self, target_arch):
"""Returns a command (with arguments) to be used to set up the
environment."""
# Check if we are running in the SDK command line environment and use
# the setup script from the SDK if so. |target_arch| should be either
# 'x86' or 'x64'.
assert target_arch in ('x86', 'x64')
sdk_dir = os.environ.get('WindowsSDKDir')
if self.sdk_based and sdk_dir:
return [os.path.normpath(os.path.join(sdk_dir, 'Bin/SetEnv.Cmd')),
'/' + target_arch]
else:
# We don't use VC/vcvarsall.bat for x86 because vcvarsall calls
# vcvars32, which it can only find if VS??COMNTOOLS is set, which it
# isn't always.
if target_arch == 'x86':
return [os.path.normpath(
os.path.join(self.path, 'Common7/Tools/vsvars32.bat'))]
else:
assert target_arch == 'x64'
arg = 'x86_amd64'
if (os.environ.get('PROCESSOR_ARCHITECTURE') == 'AMD64' or
os.environ.get('PROCESSOR_ARCHITEW6432') == 'AMD64'):
# Use the 64-on-64 compiler if we can.
arg = 'amd64'
return [os.path.normpath(
os.path.join(self.path, 'VC/vcvarsall.bat')), arg]
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.
"""
# Skip if not on Windows or Python Win32 setup issue
if sys.platform not in ('win32', 'cygwin'):
return None
# 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 _RegistryKeyExists(key):
"""Use reg.exe to see if a key exists.
Args:
key: The registry key to check.
Return:
True if the key exists
"""
if not _RegistryQuery(key):
return False
return True
def _CreateVersion(name, path, sdk_based=False):
"""Sets up MSVS project generation.
Setup is based off the GYP_MSVS_VERSION environment variable or whatever is
autodetected if GYP_MSVS_VERSION is not explicitly specified. If a version is
passed in that doesn't match a value in versions python will throw a error.
"""
if path:
path = os.path.normpath(path)
versions = {
'2012': VisualStudioVersion('2012',
'Visual Studio 2012',
solution_version='12.00',
project_version='4.0',
flat_sln=False,
uses_vcxproj=True,
path=path,
sdk_based=sdk_based,
default_toolset='v110'),
'2012e': VisualStudioVersion('2012e',
'Visual Studio 2012',
solution_version='12.00',
project_version='4.0',
flat_sln=True,
uses_vcxproj=True,
path=path,
sdk_based=sdk_based,
default_toolset='v110'),
'2010': VisualStudioVersion('2010',
'Visual Studio 2010',
solution_version='11.00',
project_version='4.0',
flat_sln=False,
uses_vcxproj=True,
path=path,
sdk_based=sdk_based),
'2010e': VisualStudioVersion('2010e',
'Visual Studio 2010',
solution_version='11.00',
project_version='4.0',
flat_sln=True,
uses_vcxproj=True,
path=path,
sdk_based=sdk_based),
'2008': VisualStudioVersion('2008',
'Visual Studio 2008',
solution_version='10.00',
project_version='9.00',
flat_sln=False,
uses_vcxproj=False,
path=path,
sdk_based=sdk_based),
'2008e': VisualStudioVersion('2008e',
'Visual Studio 2008',
solution_version='10.00',
project_version='9.00',
flat_sln=True,
uses_vcxproj=False,
path=path,
sdk_based=sdk_based),
'2005': VisualStudioVersion('2005',
'Visual Studio 2005',
solution_version='9.00',
project_version='8.00',
flat_sln=False,
uses_vcxproj=False,
path=path,
sdk_based=sdk_based),
'2005e': VisualStudioVersion('2005e',
'Visual Studio 2005',
solution_version='9.00',
project_version='8.00',
flat_sln=True,
uses_vcxproj=False,
path=path,
sdk_based=sdk_based),
}
return versions[str(name)]
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 _DetectVisualStudioVersions(versions_to_check, force_express):
"""Collect the list of installed visual studio versions.
Returns:
A list of visual studio versions installed in descending order of
usage preference.
Base this on the registry and a quick check if devenv.exe exists.
Only versions 8-10 are considered.
Possibilities are:
2005(e) - Visual Studio 2005 (8)
2008(e) - Visual Studio 2008 (9)
2010(e) - Visual Studio 2010 (10)
2012(e) - Visual Studio 2012 (11)
Where (e) is e for express editions of MSVS and blank otherwise.
"""
version_to_year = {
'8.0': '2005', '9.0': '2008', '10.0': '2010', '11.0': '2012'}
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, 'vcexpress.exe')
if not force_express and os.path.exists(full_path):
# Add this one.
versions.append(_CreateVersion(version_to_year[version],
os.path.join(path, '..', '..')))
# Check for express.
elif os.path.exists(express_path):
# Add this one.
versions.append(_CreateVersion(version_to_year[version] + 'e',
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)
versions.append(_CreateVersion(version_to_year[version] + 'e',
os.path.join(path, '..'), sdk_based=True))
return versions
def SelectVisualStudioVersion(version='auto'):
"""Select which version of Visual Studio projects to generate.
Arguments:
version: Hook to allow caller to force a particular version (vs auto).
Returns:
An object representing a visual studio project format version.
"""
# In auto mode, check environment variable for override.
if version == 'auto':
version = os.environ.get('GYP_MSVS_VERSION', 'auto')
version_map = {
'auto': ('10.0', '9.0', '8.0', '11.0'),
'2005': ('8.0',),
'2005e': ('8.0',),
'2008': ('9.0',),
'2008e': ('9.0',),
'2010': ('10.0',),
'2010e': ('10.0',),
'2012': ('11.0',),
'2012e': ('11.0',),
}
override_path = os.environ.get('GYP_MSVS_OVERRIDE_PATH')
if override_path:
msvs_version = os.environ.get('GYP_MSVS_VERSION')
if not msvs_version or 'e' not in msvs_version:
raise ValueError('GYP_MSVS_OVERRIDE_PATH requires GYP_MSVS_VERSION to be '
'set to an "e" version (e.g. 2010e)')
return _CreateVersion(msvs_version, override_path, sdk_based=True)
version = str(version)
versions = _DetectVisualStudioVersions(version_map[version], 'e' in version)
if not versions:
if version == 'auto':
# Default to 2005 if we couldn't find anything
return _CreateVersion('2005', None)
else:
return _CreateVersion(version, None)
return versions[0]