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 (WindowsError, 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 (WindowsError, 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 (WindowsError, EnvironmentError): 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 WindowsError: 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 (WindowsError, OSError): return ""