private void DiscoverInterpreterFactories()
{
if (Volatile.Read(ref _ignoreNotifications) > 0)
{
return;
}
DiscoveryStarted?.Invoke(this, EventArgs.Empty);
// Discover the available interpreters...
bool anyChanged = false;
List <PythonInterpreterInformation> found = null;
try {
// Try to find an existing root conda installation
// If the future we may decide to install a private installation of conda/miniconda
var globalFactories = _globalProvider.GetInterpreterFactories().ToList();
var mainCondaExePath = CondaUtils.GetLatestCondaExecutablePath(globalFactories);
if (mainCondaExePath != null)
{
found = FindCondaEnvironments(mainCondaExePath).ToList();
}
} catch (ObjectDisposedException) {
// We are aborting, so silently return with no results.
return;
}
var uniqueIds = new HashSet <string>(found.Select(i => i.Configuration.Id));
// Then update our cached state with the lock held.
lock (_factories) {
foreach (var info in found.MaybeEnumerate())
{
PythonInterpreterInformation existingInfo;
if (!_factories.TryGetValue(info.Configuration.Id, out existingInfo) ||
info.Configuration != existingInfo.Configuration)
{
_factories[info.Configuration.Id] = info;
anyChanged = true;
}
}
// Remove any factories we had before and no longer see...
foreach (var unregistered in _factories.Keys.Except(uniqueIds).ToArray())
{
_factories.Remove(unregistered);
anyChanged = true;
}
}
if (anyChanged)
{
OnInterpreterFactoriesChanged();
}
}
private void FindCondaEnvironments(List <PythonInterpreterInformation> envs)
{
// Try to find an existing root conda installation
// If the future we may decide to install a private installation of conda/miniconda
var globalFactories = _globalProvider.GetInterpreterFactories().ToList();
var mainCondaExePath = CondaUtils.GetLatestCondaExecutablePath(globalFactories);
if (mainCondaExePath != null)
{
envs.AddRange(FindCondaEnvironments(mainCondaExePath));
}
}
private string GetMainCondaExecutablePath()
{
// Try to find an existing root conda installation
// If the future we may decide to install a private installation of conda/miniconda
string mainCondaExePath = null;
var globalFactories = _globalProvider.GetInterpreterFactories().ToList();
foreach (var factory in globalFactories)
{
var condaPath = CondaUtils.GetCondaExecutablePath(factory.Configuration.PrefixPath, allowBatch: false);
if (!string.IsNullOrEmpty(condaPath))
{
// TODO: need to pick the newest conda.exe on the machine,
// not just the first one found.
// Unfortunately, conda.exe doesn't have a version resource,
// we'll need to figure some other way to determine conda version.
mainCondaExePath = condaPath;
break;
}
}
return(mainCondaExePath);
}
public AutoDetectedLatestCondaLocator(
[Import] CPythonInterpreterFactoryProvider globalProvider,
[Import(typeof(SVsServiceProvider), AllowDefault = true)] IServiceProvider site = null
)
{
_globalProvider = globalProvider;
_site = site;
// This can be slow, if there are 2 or more global conda installations
// (some conda versions have long startup time), so we only fetch it once.
_latestCondaExe = new Lazy <string>(() => GetLatestCondaExecutablePath(_site, _globalProvider.GetInterpreterFactories()));
}
public CPythonCondaPackageManagerProvider(
[Import] CPythonInterpreterFactoryProvider globalProvider
)
{
_globalProvider = globalProvider;
// This can be slow, if there are 2 or more global conda installations
// (some conda versions have long startup time), so we only fetch it once.
_latestCondaExe = new Lazy <string>(() => CondaUtils.GetLatestCondaExecutablePath(_globalProvider.GetInterpreterFactories()));
}