Reference The Forms API Binding uploaded files to a form

Form.is_multipart() If you’re writing reusable views or templates, you may not know ahead of time whether your form is a multipart form or not.

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Reference The Forms API

Form.prefix You can put several Django forms inside one <form> tag. To give each Form its own namespace, use the prefix keyword argument: The prefix can also be specified on the form class:

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Reference Formset Functions

formset_factory(form,formset=BaseFormSet,extra=1,can_order=False,can_delete=False,max_num=None,validate_max=False,min_num=None,validate_min=False,absolute_max=None,can_delete_extra=True,renderer=None)[source] : Returns a FormSet class for the given form class.

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Topic guide Working with forms Building a formBuilding a form in Django

Form data sent back to a Django website is processed by a view, generally the same view which published the form. This allows us to reuse some of the same logic.

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Topic guide Working with forms More about Django Form classesMore on fields

Each form field has a corresponding Widget class, which in turn corresponds to an HTML form widget such as <input type="text">. In most cases, the field will have a sensible default widget.

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Topic guide Creating forms from models ModelForm

The generated Form class will have a form field for every model field specified, in the order specified in the fields attribute. Each model field has a corresponding default form field.

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Topic guide Creating forms from models ModelForm

The generated Form class will have a form field for every model field specified, in the order specified in the fields attribute. Each model field has a corresponding default form field.

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Topic guide Testing tools Test cases features

SimpleTestCase.assertFormSetError(formset,form_index,field,errors,msg_prefix='')[source] : Asserts that the formset raises the provided list of errors when rendered. SimpleTestCase.assertContains(response,text,count=None,status_code=200,msg_prefix='',html=False)[source] : Asserts that a response produced the given status_code and that text appears in its content.

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Reference Editing mixins

classdjango.views.generic.edit.ModelFormMixin : A form mixin that provides facilities for working with a ModelForm, rather than a standalone form.

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Reference The Django admin site

ModelAdmin.add_view(request,form_url='',extra_context=None)[source] : Django view for the model instance addition page. See note below. ModelAdmin.change_view(request,object_id,form_url='',extra_context=None)[source] : Django view for the model instance editing page. See note below. ModelAdmin.changelist_view(request,extra_context=None)[source] : Django view for the model instances change list/actions page. See note below.

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Reference

GeoDjango provides some specialized form fields and widgets in order to visually display and edit geolocalized data on a map. By default, they use OpenLayers-powered maps, with a base WMS layer provided by NASA.

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Reference GeoDjango Forms API

In addition to the regular form field arguments, GeoDjango form fields take the following optional arguments.

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Reference The Forms API

The recommended approach for changing form output style is to set a custom form template either site-wide, per-form, or per-instance. See Reusable form templates for examples.

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Reference The Forms API

If you have multiple Form classes that share fields, you can use subclassing to remove redundancy.

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Topic guide Introduction to class-based views

Mixins are a form of multiple inheritance where behaviors and attributes of multiple parent classes can be combined. For example, in the generic class-based views there is a mixin called TemplateResponseMixin whose primary purpose is to define the method render_to_response().

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Topic guide Working with forms

Consider a more useful form than our minimal example above, which we could use to implement “contact me” functionality on a personal website: forms.py Our earlier form used a single field, your_name, a CharField.

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Topic guide File uploads

Consider a form containing a FileField: forms.py A view handling this form will receive the file data in request.FILES, which is a dictionary containing a key for each FileField (or ImageField, or other FileField subclass) in the form.

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Reference Editing mixins

classdjango.views.generic.edit.ModelFormMixin : A form mixin that provides facilities for working with a ModelForm, rather than a standalone form.

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Reference The Django admin site ModelAdmin objectsModelAdmin methods

ModelAdmin.add_view(request,form_url='',extra_context=None)[source] : Django view for the model instance addition page. See note below. ModelAdmin.change_view(request,object_id,form_url='',extra_context=None)[source] : Django view for the model instance editing page. See note below. ModelAdmin.changelist_view(request,extra_context=None)[source] : Django view for the model instances change list/actions page. See note below.

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Reference

GeoDjango provides some specialized form fields and widgets in order to visually display and edit geolocalized data on a map. By default, they use OpenLayers-powered maps, with a base WMS layer provided by NASA.

4.2 5.0 5.1 5.2 6.0