def launch_wizard():
wizard = Factory.InstallWizard(self.electrum_config, self.plugins)
wizard.path = path
wizard.bind(on_wizard_complete=self.on_wizard_complete)
storage = WalletStorage(path, manual_upgrades=True)
if not storage.file_exists():
wizard.run('new')
elif storage.is_encrypted():
raise Exception("Kivy GUI does not support encrypted wallet files.")
elif storage.requires_upgrade():
wizard.upgrade_storage(storage)
else:
raise Exception("unexpected storage file situation")