public string GetCacheFilePath(string filePath)
{
var name = PathUtils.GetFileName(filePath);
if (!PathEqualityComparer.IsValidPath(name))
{
_log?.Log(TraceEventType.Warning, $"Invalid cache name: {name}");
return(null);
}
try {
var candidate = Path.ChangeExtension(Path.Combine(StubCacheFolder, name), ".pyi");
if (_fs.FileExists(candidate))
{
return(candidate);
}
} catch (ArgumentException) {
return(null);
}
var dir = Path.GetDirectoryName(filePath) ?? string.Empty;
if (_fs.StringComparison == StringComparison.OrdinalIgnoreCase)
{
dir = dir.ToLowerInvariant();
}
var dirHash = CacheFolders.FileNameFromContent(dir);
var stubFile = Path.Combine(StubCacheFolder, Path.Combine(dirHash, name));
return(Path.ChangeExtension(stubFile, ".pyi"));
}
public StubCache(IServiceContainer services, string cacheRootFolder = null)
{
_fs = services.GetService <IFileSystem>();
_log = services.GetService <ILogger>();
cacheRootFolder = cacheRootFolder ?? CacheFolders.GetCacheFolder(services);
StubCacheFolder = Path.Combine(cacheRootFolder, $"stubs.v{_stubCacheFormatVersion}");
}