Improve Open Project error handling (#1740)

novelwriter/core/storage.py

@@ -183,11 +183,15 @@ class NWStorage:
         # 2. A full path to an nwProject.nwx file
         if inPath.is_dir() and inPath != Path.home().resolve():
             nwxFile = inPath / nwFiles.PROJ_FILE
-        elif inPath.is_file() and inPath.name == nwFiles.PROJ_FILE:
-            nwxFile = inPath
+        elif inPath.is_file():
+            if inPath.name == nwFiles.PROJ_FILE:
+                nwxFile = inPath
+            else:
+                logger.error("Not a novelWriter project")
+                return NWStorageOpen.UNKOWN
         else:
-            logger.error("Not a novelWriter project")
-            return NWStorageOpen.UNKOWN
+            logger.error("Not found: %s", inPath)
+            return NWStorageOpen.NOT_FOUND
 
         if not nwxFile.exists():
             # The .nwx file must exist to continue

novelwriter/guimain.py

@@ -796,7 +796,7 @@ class GuiMain(QMainWindow):
     def showWelcomeDialog(self) -> None:
         """Open the welcome dialog."""
         dialog = GuiWelcome(self)
-        dialog.openProjectRequest.connect(self._openProject)
+        dialog.openProjectRequest.connect(self._openProjectFromWelcome)
         dialog.exec_()
         return
 
@@ -1132,10 +1132,12 @@ class GuiMain(QMainWindow):
         return
 
     @pyqtSlot(Path)
-    def _openProject(self, path: Path) -> None:
-        """Handle an open project request."""
+    def _openProjectFromWelcome(self, path: Path) -> None:
+        """Handle an open project request from the welcome dialog."""
         qApp.processEvents()
         self.openProject(path)
+        if not SHARED.hasProject:
+            self.showWelcomeDialog()
         return
 
     @pyqtSlot(str, nwDocMode, str, bool)

tests/test_core/test_core_storage.py

@@ -111,12 +111,15 @@ def testCoreStorage_InitProjectStorage(mockGUI, fncPath, mockRnd):
     buildTestProject(project, fncPath)
 
     # Init with the wrong file
+    foo = fncPath / "foobar.txt"
+    foo.touch()
     assert storage.initProjectStorage(fncPath / "foobar.txt") == NWStorageOpen.UNKOWN
+    foo.unlink()
     storage._clearLockFile()
     storage.clear()
 
     # Init with the user's home dir
-    assert storage.initProjectStorage(Path.home()) == NWStorageOpen.UNKOWN
+    assert storage.initProjectStorage(Path.home()) == NWStorageOpen.NOT_FOUND
     storage._clearLockFile()
     storage.clear()