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import os
import platform
if os.name == "nt":
import sys
import winreg
def _reg_open_key(key, subkey):
try:
return winreg.OpenKey(key, subkey)
except OSError:
if platform.architecture()[0] == "32bit":
bitness_sam = winreg.KEY_WOW64_64KEY
else:
bitness_sam = winreg.KEY_WOW64_32KEY
return winreg.OpenKey(key, subkey, 0, winreg.KEY_READ | bitness_sam)
def _reg_open_key_bits(key, subkey, bits):
sam = winreg.KEY_READ
if platform.architecture()[0] == "32bit":
if bits == "64":
# Force 32bit process to search in 64bit registry
sam |= winreg.KEY_WOW64_64KEY
else:
if bits == "32":
# Force 64bit process to search in 32bit registry
sam |= winreg.KEY_WOW64_32KEY
return winreg.OpenKey(key, subkey, 0, sam)
def _find_mono_in_reg(subkey, bits):
try:
with _reg_open_key_bits(winreg.HKEY_LOCAL_MACHINE, subkey, bits) as hKey:
value = winreg.QueryValueEx(hKey, "SdkInstallRoot")[0]
return value
except OSError:
return None
def _find_mono_in_reg_old(subkey, bits):
try:
with _reg_open_key_bits(winreg.HKEY_LOCAL_MACHINE, subkey, bits) as hKey:
default_clr = winreg.QueryValueEx(hKey, "DefaultCLR")[0]
if default_clr:
return _find_mono_in_reg(subkey + "\\" + default_clr, bits)
return None
except OSError:
return None
def find_mono_root_dir(bits):
root_dir = _find_mono_in_reg(r"SOFTWARE\Mono", bits)
if root_dir is not None:
return str(root_dir)
root_dir = _find_mono_in_reg_old(r"SOFTWARE\Novell\Mono", bits)
if root_dir is not None:
return str(root_dir)
return ""
def find_msbuild_tools_path_reg():
import subprocess
vswhere = os.getenv("PROGRAMFILES(X86)")
if not vswhere:
vswhere = os.getenv("PROGRAMFILES")
vswhere += r"\Microsoft Visual Studio\Installer\vswhere.exe"
vswhere_args = ["-latest", "-products", "*", "-requires", "Microsoft.Component.MSBuild"]
try:
lines = subprocess.check_output([vswhere] + vswhere_args).splitlines()
for line in lines:
parts = line.decode("utf-8").split(":", 1)
if len(parts) < 2 or parts[0] != "installationPath":
continue
val = parts[1].strip()
if not val:
raise ValueError("Value of `installationPath` entry is empty")
# Since VS2019, the directory is simply named "Current"
msbuild_dir = os.path.join(val, "MSBuild\\Current\\Bin")
if os.path.isdir(msbuild_dir):
return msbuild_dir
# Directory name "15.0" is used in VS 2017
return os.path.join(val, "MSBuild\\15.0\\Bin")
raise ValueError("Cannot find `installationPath` entry")
except ValueError as e:
print("Error reading output from vswhere: " + e.message)
except OSError:
pass # Fine, vswhere not found
except (subprocess.CalledProcessError, OSError):
pass
# Try to find 14.0 in the Registry
try:
subkey = r"SOFTWARE\Microsoft\MSBuild\ToolsVersions\14.0"
with _reg_open_key(winreg.HKEY_LOCAL_MACHINE, subkey) as hKey:
value = winreg.QueryValueEx(hKey, "MSBuildToolsPath")[0]
return value
except OSError:
return ""
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