Clean up install wizard a little

Also fixes #1462

gui/qt/__init__.py

@@ -34,6 +34,8 @@ from electrum.plugins import run_hook
 from electrum import SimpleConfig, Wallet, WalletStorage
 from electrum.paymentrequest import InvoiceStore
 from electrum.contacts import Contacts
+from installwizard import InstallWizard
+
 
 try:
     import icons_rc
@@ -119,31 +121,6 @@ class ElectrumGui:
         for window in self.windows:
             window.close()
 
-    def run_wizard(self, storage, action):
-        import installwizard
-        if storage.file_exists and action != 'new':
-            msg = _("The file '%s' contains an incompletely created wallet.")%storage.path + '\n'\
-                  + _("Do you want to complete its creation now?")
-            if not self.question(msg):
-                if self.question(_("Do you want to delete '%s'?")%storage.path):
-                    os.remove(storage.path)
-                    QMessageBox.information(self, _('Warning'), _('The file was removed'), _('OK'))
-                    return
-                return
-        wizard = installwizard.InstallWizard(self.config, self.network, storage, self)
-        wizard.show()
-        if action == 'new':
-            action, wallet_type = wizard.restore_or_create()
-        else:
-            wallet_type = None
-        try:
-            wallet = wizard.run(action, wallet_type)
-        except BaseException as e:
-            traceback.print_exc(file=sys.stdout)
-            QMessageBox.information(None, _('Error'), str(e), _('OK'))
-            return
-        return wallet
-
     def load_wallet_file(self, filename):
         try:
             storage = WalletStorage(filename)
@@ -166,7 +143,8 @@ class ElectrumGui:
             action = wallet.get_action()
         # run wizard
         if action is not None:
-            wallet = self.run_wizard(storage, action)
+            wizard = InstallWizard(self.config, self.network, storage)
+            wallet = wizard.run(action)
             # keep current wallet
             if not wallet:
                 return
@@ -180,7 +158,6 @@ class ElectrumGui:
         return os.path.dirname(os.path.abspath(self.config.get_wallet_path()))
 
     def new_wallet(self):
-        import installwizard
         wallet_folder = self.get_wallet_folder()
         i = 1
         while True:
@@ -197,11 +174,8 @@ class ElectrumGui:
         if storage.file_exists:
             QMessageBox.critical(None, "Error", _("File exists"))
             return
-        wizard = installwizard.InstallWizard(self.config, self.network, storage, self.app)
-        action, wallet_type = wizard.restore_or_create()
-        if not action:
-            return
-        wallet = wizard.run(action, wallet_type)
+        wizard = InstallWizard(self.config, self.network, storage)
+        wallet = wizard.run('new')
         if wallet:
             self.new_window(full_path)
 

gui/qt/installwizard.py

@@ -64,9 +64,8 @@ class CosignWidget(QWidget):
 
 class InstallWizard(QDialog):
 
-    def __init__(self, config, network, storage, app):
+    def __init__(self, config, network, storage):
         QDialog.__init__(self)
-        self.app = app
         self.config = config
         self.network = network
         self.storage = storage
@@ -400,24 +399,6 @@ class InstallWizard(QDialog):
         wallet_type = '%dof%d'%(m,n)
         return wallet_type
 
-
-    def question(self, msg, yes_label=_('OK'), no_label=_('Cancel'), icon=None):
-        vbox = QVBoxLayout()
-        self.set_layout(vbox)
-        if icon:
-            logo = QLabel()
-            logo.setPixmap(icon)
-            vbox.addWidget(logo)
-        label = QLabel(msg)
-        label.setWordWrap(True)
-        vbox.addWidget(label)
-        vbox.addStretch(1)
-        vbox.addLayout(Buttons(CancelButton(self, no_label), OkButton(self, yes_label)))
-        if not self.exec_():
-            return None
-        return True
-
-
     def show_seed(self, seed, sid):
         vbox = seed_dialog.show_seed_box_msg(seed, sid)
         vbox.addLayout(Buttons(CancelButton(self), OkButton(self, _("Next"))))
@@ -432,9 +413,32 @@ class InstallWizard(QDialog):
         self.set_layout( make_password_dialog(self, None, msg) )
         return run_password_dialog(self, None, self)[2]
 
+    def run(self, action):
+        if self.storage.file_exists and action != 'new':
+            path = self.storage.path
+            msg = _("The file '%s' contains an incompletely created wallet.\n"
+                    "Do you want to complete its creation now?") % path
+            if not question(msg):
+                if question(_("Do you want to delete '%s'?") % path):
+                    os.remove(path)
+                    QMessageBox.information(self, _('Warning'),
+                                            _('The file was removed'), _('OK'))
+                    return
+                return
+        self.show()
+        if action == 'new':
+            action, wallet_type = self.restore_or_create()
+        else:
+            wallet_type = None
+        try:
+            wallet = self.run_wallet_type(action, wallet_type)
+        except BaseException as e:
+            traceback.print_exc(file=sys.stdout)
+            QMessageBox.information(None, _('Error'), str(e), _('OK'))
+            return
+        return wallet
 
-    def run(self, action, wallet_type):
-
+    def run_wallet_type(self, action, wallet_type):
         if action in ['create', 'restore']:
             if wallet_type == 'multisig':
                 wallet_type = self.multisig_choice()