Note.objects.filter(book=sender).delete()
if sender.html_file:
for anchor, text_str, html_str in html.extract_annotations(sender.html_file.path):
Note.objects.create(book=sender, anchor=anchor,
Note.objects.filter(book=sender).delete()
if sender.html_file:
for anchor, text_str, html_str in html.extract_annotations(sender.html_file.path):
Note.objects.create(book=sender, anchor=anchor,