add a dialog at startup which inform the user that the bible format has changed and provide a possibility to upgrade

small cleanup

openlp.pyw

@@ -37,7 +37,8 @@ from traceback import format_exception
 
 from PyQt4 import QtCore, QtGui
 
-from openlp.core.lib import Receiver, check_directory_exists
+from openlp.core.lib import Receiver, check_directory_exists, SettingsManager, \
+    translate
 from openlp.core.lib.ui import UiStrings
 from openlp.core.resources import qInitResources
 from openlp.core.ui.mainwindow import MainWindow
@@ -130,6 +131,18 @@ class OpenLP(QtGui.QApplication):
             u'general/update check', QtCore.QVariant(True)).toBool()
         if update_check:
             VersionThread(self.mainWindow).start()
+        for plugin in self.mainWindow.pluginManager.plugins:
+            if plugin.name == u'Bibles' and plugin.isActive() and len(
+            SettingsManager.get_files(u'bibles/bibles', u'.sqlite')) == 0 \
+            and len(SettingsManager.get_files(u'bibles', u'.sqlite')) > 0:
+                if QtGui.QMessageBox.information(self.mainWindow, 
+                    translate('OpenLP', 'Information'), translate('OpenLP',
+                    'Bible format has changed.\nYou have to upgrade your '
+                    'existing bibles.\nShould OpenLP upgrade now?'), 
+                    QtGui.QMessageBox.StandardButtons(QtGui.QMessageBox.Yes | 
+                    QtGui.QMessageBox.No)) == QtGui.QMessageBox.Yes:
+                    plugin.onToolsUpgradeItemTriggered()
+                break
         DelayStartThread(self.mainWindow).start()
         return self.exec_()
 

openlp/plugins/bibles/forms/bibleupgradeform.py

@@ -27,7 +27,6 @@
 The bible import functions for OpenLP
 """
 import logging
-#import os
 import os.path
 import re