private InterpreterConfiguration(Dictionary <string, object> properties)
{
Id = Read(properties, nameof(Id));
_description = Read(properties, nameof(Description)) ?? "";
PrefixPath = Read(properties, nameof(PrefixPath));
InterpreterPath = Read(properties, nameof(InterpreterPath));
WindowsInterpreterPath = Read(properties, nameof(WindowsInterpreterPath));
PathEnvironmentVariable = Read(properties, nameof(PathEnvironmentVariable));
Architecture = InterpreterArchitecture.TryParse(Read(properties, nameof(Architecture)));
try {
Version = Version.Parse(Read(properties, nameof(Version)));
} catch (ArgumentException) {
Version = new Version();
} catch (FormatException) {
Version = new Version();
}
UIMode = 0;
foreach (var bit in (Read(properties, nameof(UIMode)) ?? "").Split('|'))
{
InterpreterUIMode m;
if (Enum.TryParse(bit, out m))
{
UIMode |= m;
}
}
}
private InterpreterConfiguration(Dictionary <string, object> properties)
{
Id = Read(properties, nameof(Id));
_description = Read(properties, nameof(Description)) ?? "";
InterpreterPath = Read(properties, nameof(InterpreterPath));
PathEnvironmentVariable = Read(properties, nameof(PathEnvironmentVariable));
LibraryPath = Read(properties, nameof(LibraryPath));
Architecture = InterpreterArchitecture.TryParse(Read(properties, nameof(Architecture)));
try {
Version = Version.Parse(Read(properties, nameof(Version)));
} catch (Exception ex) when(ex is ArgumentException || ex is FormatException)
{
Version = new Version();
}
if (properties.TryGetValue(nameof(SearchPaths), out object o))
{
SearchPaths.Clear();
if (o is string s)
{
SearchPaths.AddRange(s.Split(';'));
}
else if (o is IEnumerable <string> ss)
{
SearchPaths.AddRange(ss);
}
}
}
/// <summary>
/// Reconstructs an interpreter configuration from a dictionary.
/// </summary>
public static VisualStudioInterpreterConfiguration CreateFromDictionary(Dictionary <string, object> properties)
{
var id = Read(properties, nameof(InterpreterConfiguration.Id));
var description = Read(properties, nameof(InterpreterConfiguration.Description)) ?? "";
var prefixPath = Read(properties, nameof(PrefixPath));
var interpreterPath = Read(properties, nameof(InterpreterConfiguration.InterpreterPath));
var windowsInterpreterPath = Read(properties, nameof(WindowsInterpreterPath));
var pathEnvironmentVariable = Read(properties, nameof(InterpreterConfiguration.PathEnvironmentVariable));
var architecture = InterpreterArchitecture.TryParse(Read(properties, nameof(InterpreterConfiguration.Architecture)));
var version = default(Version);
try {
version = Version.Parse(Read(properties, nameof(Version)));
} catch (Exception ex) when(ex is ArgumentException || ex is FormatException)
{
version = new Version();
}
InterpreterUIMode uiMode = 0;
foreach (var bit in (Read(properties, nameof(UIMode)) ?? "").Split('|'))
{
if (Enum.TryParse(bit, out InterpreterUIMode m))
{
uiMode |= m;
}
}
var configuration = new VisualStudioInterpreterConfiguration(id, description, prefixPath, interpreterPath, windowsInterpreterPath, pathEnvironmentVariable, architecture, version, uiMode);
if (properties.TryGetValue(nameof(InterpreterConfiguration.SearchPaths), out object o))
{
configuration.SearchPaths.Clear();
switch (o)
{
case string s:
configuration.SearchPaths.AddRange(s.Split(';'));
break;
case IEnumerable <string> ss:
configuration.SearchPaths.AddRange(ss);
break;
}
}
return(configuration);
}
private InterpreterConfiguration(Dictionary <string, object> properties)
{
Id = Read(properties, nameof(Id));
_description = Read(properties, nameof(Description)) ?? "";
PrefixPath = Read(properties, nameof(PrefixPath));
InterpreterPath = Read(properties, nameof(InterpreterPath));
WindowsInterpreterPath = Read(properties, nameof(WindowsInterpreterPath));
PathEnvironmentVariable = Read(properties, nameof(PathEnvironmentVariable));
Architecture = InterpreterArchitecture.TryParse(Read(properties, nameof(Architecture)));
try {
Version = Version.Parse(Read(properties, nameof(Version)));
} catch (ArgumentException) {
Version = new Version();
} catch (FormatException) {
Version = new Version();
}
UIMode = 0;
foreach (var bit in (Read(properties, nameof(UIMode)) ?? "").Split('|'))
{
InterpreterUIMode m;
if (Enum.TryParse(bit, out m))
{
UIMode |= m;
}
}
if (properties.TryGetValue(nameof(SearchPaths), out object o))
{
SearchPaths.Clear();
if (o is string s)
{
SearchPaths.AddRange(s.Split(';'));
}
else if (o is IEnumerable <string> ss)
{
SearchPaths.AddRange(ss);
}
}
}
/// <summary>
/// Call to find interpreters in the associated project. Separated from
/// the constructor to allow exceptions to be handled without causing
/// the project node to be invalid.
/// </summary>
private bool DiscoverInterpreters(ProjectInfo projectInfo)
{
// <Interpreter Include="InterpreterDirectory">
// <Id>factoryProviderId;interpreterFactoryId</Id>
// <Version>...</Version>
// <InterpreterPath>...</InterpreterPath>
// <WindowsInterpreterPath>...</WindowsInterpreterPath>
// <PathEnvironmentVariable>...</PathEnvironmentVariable>
// <Description>...</Description>
// </Interpreter>
var projectHome = PathUtils.GetAbsoluteDirectoryPath(
Path.GetDirectoryName(projectInfo.FullPath),
projectInfo.GetPropertyValue("ProjectHome")
);
var factories = new Dictionary <string, FactoryInfo>();
foreach (var item in projectInfo.GetInterpreters())
{
// Errors in these options are fatal, so we set anyError and
// continue with the next entry.
var dir = GetValue(item, "EvaluatedInclude");
if (!PathUtils.IsValidPath(dir))
{
Log("Interpreter has invalid path: {0}", dir ?? "(null)");
continue;
}
dir = PathUtils.GetAbsoluteDirectoryPath(projectHome, dir);
var id = GetValue(item, MSBuildConstants.IdKey);
if (string.IsNullOrEmpty(id))
{
Log("Interpreter {0} has invalid value for '{1}': {2}", dir, MSBuildConstants.IdKey, id);
continue;
}
if (factories.ContainsKey(id))
{
Log("Interpreter {0} has a non-unique id: {1}", dir, id);
continue;
}
var verStr = GetValue(item, MSBuildConstants.VersionKey);
Version ver;
if (string.IsNullOrEmpty(verStr) || !Version.TryParse(verStr, out ver))
{
Log("Interpreter {0} has invalid value for '{1}': {2}", dir, MSBuildConstants.VersionKey, verStr);
continue;
}
// The rest of the options are non-fatal. We create an instance
// of NotFoundError with an amended description, which will
// allow the user to remove the entry from the project file
// later.
bool hasError = false;
var description = GetValue(item, MSBuildConstants.DescriptionKey);
if (string.IsNullOrEmpty(description))
{
description = PathUtils.CreateFriendlyDirectoryPath(projectHome, dir);
}
var path = GetValue(item, MSBuildConstants.InterpreterPathKey);
if (!PathUtils.IsValidPath(path))
{
Log("Interpreter {0} has invalid value for '{1}': {2}", dir, MSBuildConstants.InterpreterPathKey, path);
hasError = true;
}
else if (!hasError)
{
path = PathUtils.GetAbsoluteFilePath(dir, path);
}
var winPath = GetValue(item, MSBuildConstants.WindowsPathKey);
if (!PathUtils.IsValidPath(winPath))
{
Log("Interpreter {0} has invalid value for '{1}': {2}", dir, MSBuildConstants.WindowsPathKey, winPath);
hasError = true;
}
else if (!hasError)
{
winPath = PathUtils.GetAbsoluteFilePath(dir, winPath);
}
var pathVar = GetValue(item, MSBuildConstants.PathEnvVarKey);
if (string.IsNullOrEmpty(pathVar))
{
pathVar = "PYTHONPATH";
}
var arch = InterpreterArchitecture.TryParse(GetValue(item, MSBuildConstants.ArchitectureKey));
string fullId = GetInterpreterId(projectInfo.FullPath, id);
FactoryInfo info;
if (hasError)
{
info = new ErrorFactoryInfo(fullId, ver, description, dir);
}
else
{
info = new ConfiguredFactoryInfo(this, new InterpreterConfiguration(
fullId,
description,
dir,
path,
winPath,
pathVar,
arch,
ver,
InterpreterUIMode.CannotBeDefault | InterpreterUIMode.CannotBeConfigured | InterpreterUIMode.SupportsDatabase
));
}
MergeFactory(projectInfo, factories, info);
}
HashSet <FactoryInfo> previousFactories = new HashSet <FactoryInfo>();
if (projectInfo.Factories != null)
{
previousFactories.UnionWith(projectInfo.Factories.Values);
}
HashSet <FactoryInfo> newFactories = new HashSet <FactoryInfo>(factories.Values);
bool anyChange = !newFactories.SetEquals(previousFactories);
if (anyChange || projectInfo.Factories == null)
{
// Lock here mainly to ensure that any searches complete before
// we trigger the changed event.
lock (projectInfo) {
projectInfo.Factories = factories;
}
foreach (var removed in previousFactories.Except(newFactories))
{
projectInfo.ContextProvider.InterpreterUnloaded(
projectInfo.Context,
removed.Config
);
IDisposable disp = removed as IDisposable;
if (disp != null)
{
disp.Dispose();
}
}
foreach (var added in newFactories.Except(previousFactories))
{
foreach (var factory in factories)
{
projectInfo.ContextProvider.InterpreterLoaded(
projectInfo.Context,
factory.Value.Config
);
}
}
}
return(anyChange);
}
private InterpreterConfiguration TryReadConfiguration(
string company,
string tag,
RegistryKey tagKey,
RegistryKey installKey,
bool pythonCoreCompatibility,
InterpreterArchitecture assumedArch
)
{
if (tagKey == null || installKey == null)
{
return(null);
}
var prefixPath = installKey.GetValue(null) as string;
var exePath = installKey.GetValue("ExecutablePath") as string;
var exewPath = installKey.GetValue("WindowedExecutablePath") as string;
if (pythonCoreCompatibility && !string.IsNullOrEmpty(prefixPath))
{
if (string.IsNullOrEmpty(exePath))
{
exePath = PathUtils.GetAbsoluteFilePath(prefixPath, CPythonInterpreterFactoryConstants.ConsoleExecutable);
}
if (string.IsNullOrEmpty(exewPath))
{
exewPath = PathUtils.GetAbsoluteFilePath(prefixPath, CPythonInterpreterFactoryConstants.WindowsExecutable);
}
}
var version = tagKey.GetValue("Version") as string;
if (pythonCoreCompatibility && string.IsNullOrEmpty(version) && tag.Length >= 3)
{
version = tag.Substring(0, 3);
}
Version sysVersion;
var sysVersionString = tagKey.GetValue("SysVersion") as string;
if (pythonCoreCompatibility && string.IsNullOrEmpty(sysVersionString) && tag.Length >= 3)
{
sysVersionString = tag.Substring(0, 3);
}
if (string.IsNullOrEmpty(sysVersionString) || !Version.TryParse(sysVersionString, out sysVersion))
{
sysVersion = new Version(0, 0);
}
PythonLanguageVersion langVersion;
try {
langVersion = sysVersion.ToLanguageVersion();
} catch (InvalidOperationException) {
langVersion = PythonLanguageVersion.None;
sysVersion = new Version(0, 0);
}
InterpreterArchitecture arch;
if (!InterpreterArchitecture.TryParse(tagKey.GetValue("SysArchitecture", null) as string, out arch))
{
arch = assumedArch;
}
if (arch == InterpreterArchitecture.Unknown && File.Exists(exePath))
{
switch (NativeMethods.GetBinaryType(exePath))
{
case System.Reflection.ProcessorArchitecture.X86:
arch = InterpreterArchitecture.x86;
break;
case System.Reflection.ProcessorArchitecture.Amd64:
arch = InterpreterArchitecture.x64;
break;
}
}
if (pythonCoreCompatibility && sysVersion != null && sysVersion < new Version(3, 5) && arch == InterpreterArchitecture.x86)
{
// Older versions of CPython did not include
// "-32" in their Tag, so we will add it here
// for uniqueness.
tag += "-32";
}
var id = CPythonInterpreterFactoryConstants.GetInterpreterId(company, tag);
var description = tagKey.GetValue("DisplayName") as string;
if (string.IsNullOrEmpty(description))
{
if (pythonCoreCompatibility)
{
description = "Python {0}{1: ()}".FormatUI(version, arch);
}
else
{
description = "{0} {1}".FormatUI(company, tag);
}
}
return(new InterpreterConfiguration(
id,
description,
prefixPath,
exePath,
exewPath,
CPythonInterpreterFactoryConstants.PathEnvironmentVariableName,
arch,
sysVersion
));
}
private VisualStudioInterpreterConfiguration TryReadConfiguration(
string company,
string tag,
RegistryKey tagKey,
RegistryKey installKey,
bool pythonCoreCompatibility,
InterpreterArchitecture assumedArch
)
{
if (tagKey == null || installKey == null)
{
return(null);
}
string prefixPath, exePath, exewPath;
try {
prefixPath = PathUtils.NormalizePath(installKey.GetValue(null) as string);
exePath = PathUtils.NormalizePath(installKey.GetValue("ExecutablePath") as string);
exewPath = PathUtils.NormalizePath(installKey.GetValue("WindowedExecutablePath") as string);
} catch (ArgumentException ex) {
Debug.Fail(ex.ToUnhandledExceptionMessage(GetType()));
return(null);
}
if (pythonCoreCompatibility && !string.IsNullOrEmpty(prefixPath))
{
if (string.IsNullOrEmpty(exePath))
{
try {
exePath = PathUtils.GetAbsoluteFilePath(prefixPath, CPythonInterpreterFactoryConstants.ConsoleExecutable);
} catch (ArgumentException) {
}
}
if (string.IsNullOrEmpty(exewPath))
{
try {
exewPath = PathUtils.GetAbsoluteFilePath(prefixPath, CPythonInterpreterFactoryConstants.WindowsExecutable);
} catch (ArgumentException) {
}
}
}
var version = tagKey.GetValue("Version") as string;
if (pythonCoreCompatibility && string.IsNullOrEmpty(version) && tag.Length >= 3)
{
version = tag.Substring(0, 3);
}
var sysVersionString = tagKey.GetValue("SysVersion") as string;
if (pythonCoreCompatibility && string.IsNullOrEmpty(sysVersionString) && tag.Length >= 3)
{
sysVersionString = tag.Substring(0, 3);
}
if (string.IsNullOrEmpty(sysVersionString) || !Version.TryParse(sysVersionString, out var sysVersion))
{
sysVersion = new Version(0, 0);
}
if (sysVersion < new Version(3, 0))
{
return(null); // Python 2.x is no longer supported.
}
try {
sysVersion.ToLanguageVersion();
} catch (InvalidOperationException) {
sysVersion = new Version(0, 0);
}
if (!InterpreterArchitecture.TryParse(tagKey.GetValue("SysArchitecture", null) as string, out var arch))
{
arch = assumedArch;
}
if (arch == InterpreterArchitecture.Unknown && File.Exists(exePath))
{
switch (NativeMethods.GetBinaryType(exePath))
{
case System.Reflection.ProcessorArchitecture.X86:
arch = InterpreterArchitecture.x86;
break;
case System.Reflection.ProcessorArchitecture.Amd64:
arch = InterpreterArchitecture.x64;
break;
}
}
if (pythonCoreCompatibility && sysVersion != null && sysVersion < new Version(3, 5) && arch == InterpreterArchitecture.x86)
{
// Older versions of CPython did not include
// "-32" in their Tag, so we will add it here
// for uniqueness.
tag += "-32";
}
var pathVar = tagKey.GetValue("PathEnvironmentVariable") as string ??
CPythonInterpreterFactoryConstants.PathEnvironmentVariableName;
var id = CPythonInterpreterFactoryConstants.GetInterpreterId(company, tag);
var description = tagKey.GetValue("DisplayName") as string;
if (string.IsNullOrEmpty(description))
{
description = pythonCoreCompatibility
? "Python {0}{1: ()}".FormatUI(version, arch)
: "{0} {1}".FormatUI(company, tag);
}
return(new VisualStudioInterpreterConfiguration(
id,
description,
prefixPath,
exePath,
exewPath,
pathVar,
arch,
sysVersion
));
}