forms.py 文件源码

def handle(self, request):
        # Languages that may need clade updates:
        updateClades = []
        # Iterating form to update languages:
        for entry in self.langlist:
            try:
                with transaction.atomic():
                    lang = Language.objects.get(id=entry.data['idField'])
                    if lang.isChanged(**entry.data):
                        problem = lang.setDelta(request, **entry.data)
                        if problem is None:
                            lang.save()
                            updateClades.append(lang)
                        else:
                            messages.error(request,
                                           lang.deltaReport(**problem))
            except Exception:
                logging.exception(
                    'Exception in AddLanguageListTableForm.handle().',
                    extra=entry.data)
                messages.error(request, 'Sorry, the server had problems '
                               'saving at least one language entry.')
        return updateClades