private static PythonVersion TryGetCPythonPath(PythonLanguageVersion version, RegistryKey python, bool x64)
{
if (python != null)
{
string versionStr = version.ToString().Substring(1);
string id = versionStr = versionStr[0] + "." + versionStr[1];
if (!x64 && version >= PythonLanguageVersion.V35)
{
versionStr += "-32";
}
using (var versionKey = python.OpenSubKey(versionStr + "\\InstallPath")) {
if (versionKey != null)
{
var installPath = versionKey.GetValue("");
if (installPath != null)
{
var path = Path.Combine(installPath.ToString(), "python.exe");
var arch = NativeMethods.GetBinaryType(path);
if (arch == ProcessorArchitecture.X86)
{
return(x64 ? null : new PythonVersion(
path,
version,
CPythonInterpreterFactoryConstants.GetIntepreterId(
"PythonCore",
arch,
id
),
false,
false,
true
));
}
else if (arch == ProcessorArchitecture.Amd64)
{
return(x64 ? new PythonVersion(
path,
version,
CPythonInterpreterFactoryConstants.GetIntepreterId(
"PythonCore",
arch,
id
),
true,
false,
true
) : null);
}
else
{
return(null);
}
}
}
}
}
return(null);
}
private static PythonVersion GetCPythonVersion(PythonLanguageVersion version, bool x64 = false)
{
if (!x64)
{
foreach (var baseKey in new[] { Registry.LocalMachine, Registry.CurrentUser })
{
using (var python = baseKey.OpenSubKey(PythonCorePath)) {
var res = TryGetCPythonPath(version, python, x64);
if (res != null)
{
return(res);
}
}
}
}
if (Environment.Is64BitOperatingSystem && x64)
{
foreach (var baseHive in new[] { RegistryHive.LocalMachine, RegistryHive.CurrentUser })
{
var python64 = RegistryKey.OpenBaseKey(baseHive, RegistryView.Registry64).OpenSubKey(PythonCorePath);
var res = TryGetCPythonPath(version, python64, x64);
if (res != null)
{
return(res);
}
}
}
var path = "C:\\Python" + version.ToString().Substring(1) + "\\python.exe";
var arch = NativeMethods.GetBinaryType(path);
if (arch == ProcessorArchitecture.X86 && !x64)
{
return(new PythonVersion(path, version, CPythonGuid));
}
else if (arch == ProcessorArchitecture.Amd64 && x64)
{
return(new PythonVersion(path, version, CPython64Guid));
}
if (x64)
{
path = "C:\\Python" + version.ToString().Substring(1) + "_x64\\python.exe";
arch = NativeMethods.GetBinaryType(path);
if (arch == ProcessorArchitecture.Amd64)
{
return(new PythonVersion(path, version, CPython64Guid));
}
}
return(null);
}
private static PythonVersion TryGetCPythonPath(PythonLanguageVersion version, RegistryKey python, bool x64)
{
if (python != null)
{
string versionStr = version.ToString().Substring(1);
versionStr = versionStr[0] + "." + versionStr[1];
if (!x64 && version >= PythonLanguageVersion.V35)
{
versionStr += "-32";
}
using (var versionKey = python.OpenSubKey(versionStr + "\\InstallPath")) {
if (versionKey != null)
{
var installPath = versionKey.GetValue("");
if (installPath != null)
{
var path = Path.Combine(installPath.ToString(), "python.exe");
var arch = NativeMethods.GetBinaryType(path);
if (arch == ProcessorArchitecture.X86)
{
return(new PythonVersion(path, version, CPythonGuid));
}
else if (arch == ProcessorArchitecture.Amd64)
{
return(new PythonVersion(path, version, CPython64Guid));
}
else
{
return(null);
}
}
}
}
}
return(null);
}