Revert "Merge pull request #610 from evandroforks/ask_confirmation_before_moving_anki_collection"

This reverts commit a53aac40f8, reversing
changes made to e323a8f902.

Migration is about to be dropped (#1390), and the references to modules
like QtGui complicate a PyQt5/6 shim.

qt/aqt/__init__.py

@@ -54,7 +54,7 @@ appUpdate = "https://ankiweb.net/update/desktop"
 appHelpSite = HELP_SITE
 
 from aqt.main import AnkiQt  # isort:skip
-from aqt.profiles import ProfileManager, AnkiRestart, VideoDriver  # isort:skip
+from aqt.profiles import ProfileManager, VideoDriver  # isort:skip
 
 profiler: Optional[cProfile.Profile] = None
 mw: Optional[AnkiQt] = None  # set on init
@@ -498,10 +498,6 @@ def _run(argv: Optional[list[str]] = None, exec: bool = True) -> Optional[AnkiAp
     try:
         pm = ProfileManager(opts.base)
         pmLoadResult = pm.setupMeta()
-    except AnkiRestart as error:
-        if error.exitcode:
-            sys.exit(error.exitcode)
-        return None
     except:
         # will handle below
         traceback.print_exc()

qt/aqt/profiles.py

@@ -111,12 +111,6 @@ class LoadMetaResult:
     loadError: bool
 
 
-class AnkiRestart(SystemExit):
-    def __init__(self, exitcode: int = 0) -> None:
-        self.exitcode = exitcode
-        super().__init__()
-
-
 class ProfileManager:
     def __init__(self, base: str | None = None) -> None:  #
         ## Settings which should be forgotten each Anki restart
@@ -170,77 +164,10 @@ class ProfileManager:
             return os.path.expanduser("~/Documents/Anki")
 
     def maybeMigrateFolder(self) -> None:
-        newBase = self.base
         oldBase = self._oldFolderLocation()
 
         if oldBase and not os.path.exists(self.base) and os.path.isdir(oldBase):
-            try:
-                # if anything goes wrong with UI, reset to the old behavior of always migrating
-                self._tryToMigrateFolder(oldBase)
-            except AnkiRestart:
-                raise
-            except:
-                print("migration failed")
-                self.base = newBase
-                shutil.move(oldBase, self.base)
-
-    def _tryToMigrateFolder(self, oldBase: str) -> None:
-        from PyQt5 import QtGui, QtWidgets
-
-        app = QtWidgets.QApplication([])
-        icon = QtGui.QIcon()
-        icon.addPixmap(
-            QtGui.QPixmap("icons:anki.png"),
-            QtGui.QIcon.Normal,
-            QtGui.QIcon.Off,
-        )
-        window_title = "Data Folder Migration"
-        migration_directories = f"\n\n    {oldBase}\n\nto\n\n    {self.base}"
-
-        confirmation = QMessageBox()
-        confirmation.setIcon(QMessageBox.Warning)
-        confirmation.setWindowIcon(icon)
-        confirmation.setStandardButtons(QMessageBox.Ok | QMessageBox.Cancel)  # type: ignore
-        confirmation.setWindowTitle(window_title)
-        confirmation.setText(
-            "Anki needs to move its data folder from Documents/Anki to a new location. Proceed?"
-        )
-        retval = confirmation.exec()
-
-        if retval == QMessageBox.Ok:
-            progress = QMessageBox()
-            progress.setIcon(QMessageBox.Information)
-            progress.setStandardButtons(QMessageBox.NoButton)
-            progress.setWindowIcon(icon)
-            progress.setWindowTitle(window_title)
-            progress.setText("Please wait...")
-            progress.show()
-            app.processEvents()  # type: ignore
-
             shutil.move(oldBase, self.base)
-            progress.hide()
-
-            completion = QMessageBox()
-            completion.setIcon(QMessageBox.Information)
-            completion.setStandardButtons(QMessageBox.Ok)
-            completion.setWindowIcon(icon)
-            completion.setWindowTitle(window_title)
-            completion.setText("Migration complete. Please start Anki again.")
-            completion.show()
-            completion.exec()
-        else:
-            diag = QMessageBox()
-            diag.setIcon(QMessageBox.Warning)
-            diag.setWindowIcon(icon)
-            diag.setStandardButtons(QMessageBox.Ok)
-            diag.setWindowTitle(window_title)
-            diag.setText(
-                "Migration aborted. If you would like to keep the old folder location, please "
-                "see the Startup Options section of the manual. Anki will now quit."
-            )
-            diag.exec()
-
-        raise AnkiRestart(exitcode=0)
 
     # Profile load/save
     ######################################################################