Python 如何在Django中的表单中添加GenericRelation字段
我有以下错误:Python 如何在Django中的表单中添加GenericRelation字段,python,django,django-1.10,Python,Django,Django 1.10,我有以下错误: django.core.exceptions.FieldError: 'pictures' cannot be specified for Building model form as it is a non-editable field 我有很多模型,可以有很多图像。所以我用了django的一般关系。但是当我在forms.py中添加“图片”字段时。我犯了一个错误 forms.py class BuildingForm(ModelForm): class Meta:
django.core.exceptions.FieldError: 'pictures' cannot be specified for Building model form as it is a non-editable field
我有很多模型,可以有很多图像。所以我用了django的一般关系。但是当我在forms.py
中添加“图片”字段时。我犯了一个错误
forms.py
class BuildingForm(ModelForm):
class Meta:
model = Building
fields = ['landlord', 'address', 'pictures']
models.py
from stdimage.models import StdImageField
class Image(TimeStampedModel, models.Model):
picture = StdImageField(upload_to='pictures/%Y/%m/%d',
verbose_name="pics", null = True, blank = True, variations={
'large': (600, 400),
'thumbnail': (250, 250, True),
'medium': (300, 200),
}, default='default.jpg')
# Generic Foreign Key
content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
object_id = models.PositiveIntegerField()
content_object = GenericForeignKey()
class Building(TimeStampedModel, models.Model):
landlord = models.ForeignKey(
settings.AUTH_USER_MODEL,
related_name='building_manager')
address = models.CharField(max_length=50, blank=False)
pictures = GenericRelation(Image, null = True, blank = True,
related_query_name='dwelling_picture', verbose_name=_('Screenshots'))
views.py
class BuildingCreateView(SuccessMessageMixin, CreateView):
form_class = BuildingForm
template_name = "parking/building/building_form.html"
success_message = 'Successfully Added a Post entry'
success_url = reverse_lazy('parkers:building_list')
def form_valid(self, form):
self.object = form.save(commit=True)
#self.object.author = self.request.user
return super(BuildingCreateView, self).form_valid(form)
parking_building_new = login_required(BuildingCreateView.as_view())
forms.html
<div class="container">
<div class="row">
<div class="col-lg-10 col-lg-1-offset">
<form action="." method="post" enctype="multipart/form-data">
{% csrf_token %}
{{ form.as_p }}
<input type="submit" value="Submit" />
</form>
</div>
</div>
</div>
{%csrf_令牌%}
{{form.as_p}}
痕迹
文件“/home/laptopvm/Documents/Github/django\u project\u tutorial\u generirelation\u key/parking/url.py”,第4行,在
从parking.views导入用户\配置文件\视图
文件“/home/laptopvm/Documents/Github/django_project_tutorial_genericorrelation_key/parking/views/user_profile_views.py”,第26行
从parking.forms导入UserProfileForm
文件“/home/laptopvm/Documents/Github/django\u project\u tutorial\u generirelation\u key/parking/forms.py”,第7行,在
类BuildingForm(ModelForm):
文件“/home/laptopvm/anaconda3/lib/python3.6/site packages/django/forms/models.py”,第266行,在新的__
应用\u限制\u选项\u to=False,
文件“/home/laptopvm/anaconda3/lib/python3.6/site packages/django/forms/models.py”,第159行,在\u模型的字段中
f、 名称,型号。\u名称\u)
django.core.exceptions.FieldError:无法为建筑模型表单指定“图片”,因为它是不可编辑的字段
GenericForeignKey不适用于ModelForms。它们不是故意编辑的。您也不能对它们使用filter()或exclude()。您可以参考文档以了解更多信息:
GenericForeignKey不适用于ModelForms。它们不是故意编辑的。您也不能对它们使用filter()或exclude()。您可以参考文档以了解更多信息:
File "/home/laptopvm/Documents/Github/django_project_tutorial_genericrelation_key/parking/urls.py", line 4, in <module>
from parking.views import user_profile_views
File "/home/laptopvm/Documents/Github/django_project_tutorial_genericrelation_key/parking/views/user_profile_views.py", line 26, in <module>
from parking.forms import UserProfileForm
File "/home/laptopvm/Documents/Github/django_project_tutorial_genericrelation_key/parking/forms.py", line 7, in <module>
class BuildingForm(ModelForm):
File "/home/laptopvm/anaconda3/lib/python3.6/site-packages/django/forms/models.py", line 266, in __new__
apply_limit_choices_to=False,
File "/home/laptopvm/anaconda3/lib/python3.6/site-packages/django/forms/models.py", line 159, in fields_for_model
f.name, model.__name__)
django.core.exceptions.FieldError: 'pictures' cannot be specified for Building model form as it is a non-editable field