def checkStatus(self):
filelist = os.listdir('data')
if 'books.xml' in filelist:
try:
xmlbooklist = xmlHandler.read("data/books.xml")
except:
qmessagebox.warning(self, u'books.xml ungültig. Neue Bücher anlegen.')
else:
startup = ManageBooks()
startup.exec()
self.readBookData()
def showManageBooks(self):
book_management = ManageBooks()
book_management.exec()
self.listChanged = book_management.changeToList # Bool True False
self.added_removed = book_management.added_removed # int +/-
if self.listChanged:
self.statusleiste.showMessage('Liste erweitert/verkürzt')
self.booklist = []
self.tabelle.clearContents()
self.readBookData()
else:
self.statusleiste.showMessage('Keine Änderungen an der Liste')
