Python Django Update和CreateView使用相同的Crispy表单,添加视图错误
我使用相同的crispy表单进行添加和编辑,并添加了一个变量,以便我可以将提交按钮文本从添加更改为编辑,反之亦然 但是,“添加”视图出现以下错误:Python Django Update和CreateView使用相同的Crispy表单,添加视图错误,python,django,Python,Django,我使用相同的crispy表单进行添加和编辑,并添加了一个变量,以便我可以将提交按钮文本从添加更改为编辑,反之亦然 但是,“添加”视图出现以下错误: Traceback: (removed the in built references) ... File "/itapp/itapp/sites/views.py" in dispatch 954. return super(AddSubnet, self).dispatch(*args, **kwargs) ...
Traceback: (removed the in built references)
...
File "/itapp/itapp/sites/views.py" in dispatch
954. return super(AddSubnet, self).dispatch(*args, **kwargs)
...
File "/itapp/itapp/sites/views.py" in get_context_data
969. context = super().get_context_data(**kwargs)
File "/usr/local/lib/python3.6/site-packages/django/views/generic/edit.py" in get_context_data
93. kwargs['form'] = self.get_form()
File "/usr/local/lib/python3.6/site-packages/django/views/generic/edit.py" in get_form
45. return form_class(**self.get_form_kwargs())
Exception Type: TypeError at /sites/site/add_subnet/7
Exception Value: 'SubnetForm' object is not callable
我不知道为什么表单的代码至少在我不熟练的眼里看起来不错
forms.py:
class SubnetForm(forms.ModelForm):
class Meta:
model = SiteSubnets
fields = ['subnet', 'subnet_type', 'circuit', 'device_data', 'vlan_id', 'peer_desc']
def __init__(self, *args, **kwargs):
site_id = kwargs.pop('site_id', None)
self.is_add = kwargs.pop("is_add", False)
super(SubnetForm, self).__init__(*args, **kwargs)
self.fields['circuit'].queryset = Circuits.objects.filter(site_data=site_id)
self.helper = FormHelper(self)
self.helper.form_id = 'subnet_form'
self.helper.form_method = 'POST'
self.helper.add_input(Submit('submit', 'Add Subnet' if self.is_add else 'Edit Subnet', css_class='btn-primary'))
self.helper.layout = Layout(
Div(
Div(
Field('subnet', placeholder='Subnet'),
Div('subnet_type', title="Subnet Type"),
css_class='col-lg-3'
),
Div(
Div('circuit', title='Circuit'),
Div('device_data', title="Device Data"),
css_class='col-lg-3'
),
Div(
Field('vlan_id', placeholder='VLAN ID'),
Field('peer_desc', placeholder="Peer Description"),
css_class='col-lg-3'
),
css_class='row'
)
)
观点:
class AddSubnet(CreateView):
form_class = SubnetForm(is_add=True)
template_name = "sites/subnet_form.html"
@method_decorator(user_passes_test(lambda u: u.has_perm('config.add_subnet')))
def dispatch(self, *args, **kwargs):
self.site_id = self.kwargs['site_id']
self.site = get_object_or_404(SiteData, pk=self.site_id)
return super(AddSubnet, self).dispatch(*args, **kwargs)
def get_success_url(self, **kwargs):
return reverse_lazy("sites:site_detail_subnets", args=(self.site_id,))
def form_valid(self, form):
form.instance.site_data = self.site
return super(AddSubnet, self).form_valid(form)
def get_form_kwargs(self, *args, **kwargs):
kwargs = super().get_form_kwargs()
kwargs['site_id'] = self.site_id
return kwargs
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context['SiteID']=self.site_id
context['SiteName']=self.site.location
context['FormType']='Add'
context['active_subnets']='class="active"'
return context
class EditSubnet(UpdateView):
model = SiteSubnets
form_class = SubnetForm
template_name = "sites/subnet_form.html"
@method_decorator(user_passes_test(lambda u: u.has_perm('config.edit_subnet')))
def dispatch(self, *args, **kwargs):
self.site_id = self.kwargs['site_id']
self.site = get_object_or_404(SiteData, pk=self.site_id)
return super(EditSubnet, self).dispatch(*args, **kwargs)
def get_success_url(self, **kwargs):
return reverse_lazy("sites:site_detail_subnets", args=(self.site_id,))
def form_valid(self, form):
form.instance.site_data = self.object.site_data
return super(EditSubnet, self).form_valid(form)
def get_form_kwargs(self, *args, **kwargs):
kwargs = super().get_form_kwargs()
return kwargs
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context['SiteID']=self.site_id
context['SiteName']=self.site.location
context['FormType']='Edit'
context['active_subnets']='class="active"'
return context
这就是罪魁祸首:
form\u class=SubnetForm(is\u add=True)
form_class
应该是名称所指示的,只是类,而不是实例。使用get\u form\u kwargs
将初始化参数添加到表单构造函数调用中(正如您已经使用site\u id
所做的那样):
class AddSubnet(CreateView):
form_class = SubnetForm # just the form CLASS
# ...
def get_form_kwargs(self, *args, **kwargs):
kwargs = super().get_form_kwargs()
kwargs['is_add'] = True # you can set 'is_add' here
kwargs['site_id'] = self.site_id
return kwargs