Add typeshed path

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "typeshed"]
+	path = typeshed
+	url = https://github.com/python/typeshed

enderpy/src/main.rs

@@ -27,10 +27,11 @@ fn symbols(path: &PathBuf) -> Result<()> {
     let initial_source = BuildSource::from_path(path.to_path_buf(), false);
     let dir_of_path = path.parent().unwrap();
     let python_executable = Some(get_python_executable()?);
+    let typeshed_path = Some(get_typeshed_path()?);
     let settings = Settings {
         debug: true,
         root: dir_of_path.to_path_buf(),
-        import_discovery: ImportDiscovery { python_executable },
+        import_discovery: ImportDiscovery { python_executable, typeshed_path },
         follow_imports: enderpy_python_type_checker::settings::FollowImports::All,
     };
 
@@ -54,6 +55,12 @@ fn get_python_executable() -> Result<PathBuf> {
     Ok(PathBuf::from(path))
 }
 
+fn get_typeshed_path() -> Result<PathBuf> {
+    // imagine the path is in the same directory as user ran this command   
+    let path = std::env::current_dir().into_diagnostic()?;
+    Ok(path.join("typeshed"))
+}
+
 fn tokenize(file: &PathBuf) -> Result<()> {
     let source = fs::read_to_string(file).into_diagnostic()?;
     let mut lexer = Lexer::new(&source);
@@ -83,10 +90,11 @@ fn check(path: &PathBuf) -> Result<()> {
     let initial_source = BuildSource::from_path(path.to_path_buf(), false);
     let root = find_project_root(path);
     let python_executable = Some(get_python_executable()?);
+    let typeshed_path = Some(get_typeshed_path()?);
     let settings = Settings {
         debug: true,
         root: PathBuf::from(root),
-        import_discovery: ImportDiscovery { python_executable },
+        import_discovery: ImportDiscovery { python_executable, typeshed_path },
         follow_imports: enderpy_python_type_checker::settings::FollowImports::Skip,
     };
     let mut build_manager = BuildManager::new(vec![initial_source], settings);

lsp/src/main.rs

@@ -20,10 +20,12 @@ impl Backend {
     async fn check_file(&self, path: PathBuf) -> Vec<Diagnostic> {
         let root = PathBuf::from(find_project_root(path.as_path()));
         let python_executable = None;
+        let path = std::env::current_dir().unwrap();
+        let typeshed_path = Some(path.join("typeshed"));
         let settings = Settings {
             debug: false,
             root,
-            import_discovery: ImportDiscovery { python_executable },
+            import_discovery: ImportDiscovery { typeshed_path, python_executable },
             follow_imports: enderpy_python_type_checker::settings::FollowImports::Skip,
         };