很抱歉,如果这是一个简单的修复,我的inlineformset有2个问题:
保存无效对象(不符合唯一要求)会抛出错误页面而不是在表单中显示错误。
有一次,我在保存无效对象时错误地显示错误,但是当我尝试保存有效对象时,我会收到一条错误消息,指出membership.department为空。这就是为什么我把“例如在实例中”,但现在我得到了这个新问题,即在保存无效对象时不显示错误。
删除有效对象时遇到同样的问题。对象会被删除,但我仍然会收到错误页面...
我迷路了。
保存无效对象时,我得到:
The Membership could not be created because the data didn't validate.
删除有效对象时,我得到:
[u'Select a valid choice. That choice is not one of the available choices.']
MODEL:
class Membership(models.Model):
project = models.ForeignKey(Project)
department = models.ForeignKey(Department)
employee = models.ForeignKey(Employee)
role = models.ManyToManyField(Role, blank=True, null=True)
class Meta:
unique_together = (("project", "employee",),)
VIEW.py
def employee_edit(request, employee_id):
i = get_object_or_404(Employee, pk=employee_id)
MembershipForm = make_membership_form(i)
MembershipFormSet = inlineformset_factory(Employee, Membership, exclude='department', extra=1, form=MembershipForm)
if request.method == "POST":
f = MembershipFormSet(request.POST, instance=i)
if f.is_valid():
instances = f.save(commit=False)
for instance in instances:
instance.department = i.department
instance.save()
f.save_m2m()
return render_to_response('dbtest/edit.html', {'item': i, 'formset': f, }, context_instance=RequestContext(request))
else:
f = MembershipFormSet(instance=i)
return render_to_response('dbtet/edit.html', {'item': i, 'formset': f, }, context_instance=RequestContext(request))
def make_membership_form(i):
class MembershipForm(forms.ModelForm):
project = forms.ModelChoiceField(queryset=Project.objects.filter(department=i.department))
class Meta:
model = Membership
exclude = ('department', 'employee')
unique_together = (("project", "employee",),)
return MembershipForm
答案 0 :(得分:1)
第一条错误信息很简单。
The Membership could not be created because the data didn't validate.
您正在保存formset,而不先检查它是否有效。如果formset.is_valid()
为真,您应该只调用save。再看看my answer to your previous question