[FIX] server: fix deleting path of opened files

Author: mmahrouss

server/src/core/file_mgr.rs

@@ -343,10 +343,7 @@ impl FileMgr {
     }
 
     pub fn get_file_info(&self, path: &String) -> Option<Rc<RefCell<FileInfo>>> {
-        match self.files.get(path) {
-            Some(rc) => Some(rc.clone()),
-            None => None
-        }
+        self.files.get(path).cloned()
     }
 
     pub fn text_range_to_range(&self, session: &mut SessionInfo, path: &String, range: &TextRange) -> Range {

server/src/core/import_resolver.rs

@@ -70,7 +70,7 @@ pub fn resolve_import_stmt(session: &mut SessionInfo, source_file_symbol: &Rc<Re
     let mut start_symbol = None;
     if level.is_some() && level.unwrap() != 0 {
         //if level is some, resolve_packages already built a full tree, so we can start from root
-        start_symbol = Some(source_file_symbol.borrow().get_root().as_ref().unwrap().upgrade().unwrap().clone());
+        start_symbol = Some(source_root.clone());
     }
     let (from_symbol, fallback_sym) = _get_or_create_symbol(
         session,

server/src/core/python_arch_eval.rs

@@ -118,7 +118,7 @@ impl PythonArchEval {
         }
         let mut symbol = self.sym_stack[0].borrow_mut();
         symbol.set_build_status(BuildSteps::ARCH_EVAL, BuildStatus::DONE);
-        if symbol.is_external() {
+        if symbol.is_external() && (!self.file_mode  || !file_info_rc.borrow().opened) {
             for sym in symbol.all_symbols() {
                 if sym.borrow().has_ast_indexes() {
                     sym.borrow_mut().ast_indexes_mut().clear(); //TODO isn't it make it invalid? should set to None?