Normalize Windows path with Python's pathlib

platformio/commands/home/rpc/handlers/app.py

@@ -15,6 +15,7 @@
 from __future__ import absolute_import
 
 import os
+from pathlib import Path
 
 from platformio import __version__, app, fs, util
 from platformio.project.config import ProjectConfig
@@ -66,7 +67,7 @@ class AppRPC:
             # skip non-existing recent projects
             storage["recentProjects"] = list(
                 set(
-                    os.path.normpath(p)
+                    str(Path(p).resolve())
                     for p in storage.get("recentProjects", [])
                     if is_platformio_project(p)
                 )

platformio/commands/home/rpc/handlers/ide.py

@@ -12,8 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import os
 import time
+from pathlib import Path
 
 from ajsonrpc.core import JSONRPC20DispatchException
 
@@ -53,7 +53,7 @@ class IDERPC:
         if cmd_id not in self._cmd_queue:
             return
         if self._cmd_queue[cmd_id]["method"] == "get_pio_project_dirs":
-            value = [os.path.normpath(p) for p in value]
+            value = [str(Path(p).resolve()) for p in value]
         self._cmd_queue[cmd_id]["future"].set_result(value)
         del self._cmd_queue[cmd_id]