我正在尝试从 Django Admin 中的请求中获取用户。我需要的是在内联表单的 clean()
中访问请求的用户方法。我已经用普通 ModelForm
完成了一个类似于下面描述的过程。 (即不是内联的),我成功了。但是,对于内联,我遇到了很多问题。
我有:
class SaleFormset(BaseInlineFormSet):
def __init__(self, *args, **kwargs):
self.request = kwargs.pop('request')
super(SaleFormset, self).__init__(*args, **kwargs)
def _construct_form(self, i, **kwargs):
kwargs['request'] = self.request
super(SaleFormset, self)._construct_form(i, **kwargs)
class SaleProductItemInlineForm(ModelForm):
"""
Custom form for the Sale Product Item Inline used by the
Sale Admin form.
"""
def __init__(self, *args, **kwargs):
self.request = kwargs.pop('request')
super(SaleProductItemInlineForm, self).__init__(*args, **kwargs)
class Meta:
model = SaleProductItem
fields = "__all__"
在 admin.py 中,我有:
class SaleProductItemInline(admin.TabularInline):
"""
Tabular inline for a SaleProductItem used in the Sale Admin.
"""
model = models.SaleProductItem
form = SaleProductItemInlineForm
formset = SaleFormset
def get_formset(self, request, obj=None, **kwargs):
formset_class = super(SaleProductItemInline, self).get_formset(request, obj, **kwargs)
class Subset(formset_class):
def __new__(cls, *args, **kwargs):
kwargs['request'] = request
return formset_class(*args, **kwargs)
return Subset
但是,我收到一条错误消息
'NoneType' object has no attribute 'media'
因为这个部分:@property
def media(self):
# All the forms on a FormSet are the same, so you only need to
# interrogate the first form for media.
if self.forms:
return self.forms[0].media
最佳答案
与此类似的方法对我有用:
def SaleProductItemInlineFormFactory(request):
class SaleProductItemInlineForm(ModelForm):
def __init__(self, *args, **kwargs):
# here finally you can do something with your request
super(SaleProductItemInlineForm, self).__init__(*args, **kwargs)
class Meta:
model = SaleProductItem
fields = "__all__"
return SaleProductItemInlineForm
def SaleProductItemInlineFactory(request):
class SaleProductItemInline(admin.TabularInline):
model = models.SaleProductItem
form = SaleProductItemInlineFormFactory(request)
return SaleProductItemInline
class SaleAdmin(admin.ModelAdmin):
inlines = ()
# such way we send request to main form
def get_form(self, request, obj=None, **kwargs):
form = super(SaleAdmin, self).get_form(request, obj=obj, **kwargs)
form.request = request
return form
# we define inlines with factory to create Inline class with request inside
def change_view(self, request, object_id, form_url='', extra_context=None):
self.inlines = (SaleProductItemInlineFactory(request), )
return super(SaleAdmin, self).change_view(request, object_id)
# we define inlines with factory to create Inline class with request inside
def add_view(self, request, form_url='', extra_context=None):
self.inlines = (SaleProductItemInlineFactory(request), )
return super(SaleAdmin, self).add_view(request)
关于django - 将请求传递给 Django Admin 中的内联表单?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/39050584/