class CookieWizardView

from django.contrib.formtools.wizard.views import CookieWizardView
A WizardView with pre-configured CookieStorage backend.

Attributes

  Defined in
condition_dict = None WizardView
content_type = None TemplateResponseMixin
form_list = None WizardView
http_method_names = [u'get', u'post', u'put', u'patch', u'delete', u'head', u'options', u'trace'] View
initial_dict = None WizardView
instance_dict = None WizardView
response_class = <class 'django.template.response.TemplateResponse'> TemplateResponseMixin
storage_name = 'django.contrib.formtools.wizard.storage.cookie.CookieStorage' CookieWizardView
storage_name = None WizardView
template_name = 'formtools/wizard/wizard_form.html' WizardView
template_name = None TemplateResponseMixin
Expand Collapse

Methods

def __init__(self, **kwargs): View

Constructor. Called in the URLconf; can contain helpful extra
keyword arguments, and other things.
36
37
38
39
40
41
42
43
44
def __init__(self, **kwargs):
    """
    Constructor. Called in the URLconf; can contain helpful extra
    keyword arguments, and other things.
    """
    # Go through keyword arguments, and either save their values to our
    # instance, or raise an error.
    for key, value in six.iteritems(kwargs):
        setattr(self, key, value)

def __repr__(self): WizardView

111
112
def __repr__(self):
    return '<%s: forms: %s>' % (self.__class__.__name__, self.form_list)

def _allowed_methods(self): View

107
108
def _allowed_methods(self):
    return [m.upper() for m in self.http_method_names if hasattr(self, m)]

def as_view(cls, *args, **kwargs):

WizardView

This method is used within urls.py to create unique wizardview
instances for every request. We need to override this method because
we add some kwargs which are needed to make the wizardview usable.
114
115
116
117
118
119
120
121
122
@classonlymethod
def as_view(cls, *args, **kwargs):
    """
    This method is used within urls.py to create unique wizardview
    instances for every request. We need to override this method because
    we add some kwargs which are needed to make the wizardview usable.
    """
    initkwargs = cls.get_initkwargs(*args, **kwargs)
    return super(WizardView, cls).as_view(**initkwargs)

View

Main entry point for a request-response process.
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
@classonlymethod
def as_view(cls, **initkwargs):
    """
    Main entry point for a request-response process.
    """
    # sanitize keyword arguments
    for key in initkwargs:
        if key in cls.http_method_names:
            raise TypeError("You tried to pass in the %s method name as a "
                            "keyword argument to %s(). Don't do that."
                            % (key, cls.__name__))
        if not hasattr(cls, key):
            raise TypeError("%s() received an invalid keyword %r. as_view "
                            "only accepts arguments that are already "
                            "attributes of the class." % (cls.__name__, key))
    def view(request, *args, **kwargs):
        self = cls(**initkwargs)
        if hasattr(self, 'get') and not hasattr(self, 'head'):
            self.head = self.get
        self.request = request
        self.args = args
        self.kwargs = kwargs
        return self.dispatch(request, *args, **kwargs)
    # take name and docstring from class
    update_wrapper(view, cls, updated=())
    # and possible attributes set by decorators
    # like csrf_exempt from dispatch
    update_wrapper(view, cls.dispatch, assigned=())
    return view

def dispatch(self, request, *args, **kwargs):

WizardView

This method gets called by the routing engine. The first argument is
`request` which contains a `HttpRequest` instance.
The request is stored in `self.request` for later use. The storage
instance is stored in `self.storage`.

After processing the request using the `dispatch` method, the
response gets updated by the storage engine (for example add cookies).
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
def dispatch(self, request, *args, **kwargs):
    """
    This method gets called by the routing engine. The first argument is
    `request` which contains a `HttpRequest` instance.
    The request is stored in `self.request` for later use. The storage
    instance is stored in `self.storage`.
    After processing the request using the `dispatch` method, the
    response gets updated by the storage engine (for example add cookies).
    """
    # add the storage engine to the current wizardview instance
    self.prefix = self.get_prefix(*args, **kwargs)
    self.storage = get_storage(self.storage_name, self.prefix, request,
        getattr(self, 'file_storage', None))
    self.steps = StepsHelper(self)
    response = super(WizardView, self).dispatch(request, *args, **kwargs)
    # update the response (e.g. adding cookies)
    self.storage.update_response(response)
    return response

View

79
80
81
82
83
84
85
86
87
def dispatch(self, request, *args, **kwargs):
    # Try to dispatch to the right method; if a method doesn't exist,
    # defer to the error handler. Also defer to the error handler if the
    # request method isn't on the approved list.
    if request.method.lower() in self.http_method_names:
        handler = getattr(self, request.method.lower(), self.http_method_not_allowed)
    else:
        handler = self.http_method_not_allowed
    return handler(request, *args, **kwargs)

def done(self, form_list, **kwargs): WizardView

This method must be overridden by a subclass to process to form data
after processing all steps.
573
574
575
576
577
578
579
def done(self, form_list, **kwargs):
    """
    This method must be overridden by a subclass to process to form data
    after processing all steps.
    """
    raise NotImplementedError("Your %s class has not defined a done() "
        "method, which is required." % self.__class__.__name__)

def get(self, request, *args, **kwargs):

WizardView

This method handles GET requests.

If a GET request reaches this point, the wizard assumes that the user
just starts at the first step or wants to restart the process.
The data of the wizard will be resetted before rendering the first step.
243
244
245
246
247
248
249
250
251
252
253
def get(self, request, *args, **kwargs):
    """
    This method handles GET requests.
    If a GET request reaches this point, the wizard assumes that the user
    just starts at the first step or wants to restart the process.
    The data of the wizard will be resetted before rendering the first step.
    """
    self.storage.reset()
    # reset the current step to the first step.
    self.storage.current_step = self.steps.first
    return self.render(self.get_form())

TemplateView

153
154
155
def get(self, request, *args, **kwargs):
    context = self.get_context_data(**kwargs)
    return self.render_to_response(context)

def get_all_cleaned_data(self): WizardView

Returns a merged dictionary of all step cleaned_data dictionaries.
If a step contains a `FormSet`, the key will be prefixed with
'formset-' and contain a list of the formset cleaned_data dictionaries.
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
def get_all_cleaned_data(self):
    """
    Returns a merged dictionary of all step cleaned_data dictionaries.
    If a step contains a `FormSet`, the key will be prefixed with
    'formset-' and contain a list of the formset cleaned_data dictionaries.
    """
    cleaned_data = {}
    for form_key in self.get_form_list():
        form_obj = self.get_form(
            step=form_key,
            data=self.storage.get_step_data(form_key),
            files=self.storage.get_step_files(form_key)
        )
        if form_obj.is_valid():
            if isinstance(form_obj.cleaned_data, (tuple, list)):
                cleaned_data.update({
                    'formset-%s' % form_key: form_obj.cleaned_data
                })
            else:
                cleaned_data.update(form_obj.cleaned_data)
    return cleaned_data

def get_cleaned_data_for_step(self, step): WizardView

Returns the cleaned data for a given `step`. Before returning the
cleaned data, the stored values are revalidated through the form.
If the data doesn't validate, None will be returned.
480
481
482
483
484
485
486
487
488
489
490
491
492
def get_cleaned_data_for_step(self, step):
    """
    Returns the cleaned data for a given `step`. Before returning the
    cleaned data, the stored values are revalidated through the form.
    If the data doesn't validate, None will be returned.
    """
    if step in self.form_list:
        form_obj = self.get_form(step=step,
            data=self.storage.get_step_data(step),
            files=self.storage.get_step_files(step))
        if form_obj.is_valid():
            return form_obj.cleaned_data
    return None

def get_context_data(self, form, **kwargs):

WizardView

Returns the template context for a step. You can overwrite this method
to add more data for all or some steps. This method returns a
dictionary containing the rendered form step. Available template
context variables are:

 * all extra data stored in the storage backend
 * `wizard` - a dictionary representation of the wizard instance

Example:

.. code-block:: python

    class MyWizard(WizardView):
        def get_context_data(self, form, **kwargs):
            context = super(MyWizard, self).get_context_data(form=form, **kwargs)
            if self.steps.current == 'my_step_name':
                context.update({'another_var': True})
            return context
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
def get_context_data(self, form, **kwargs):
    """
    Returns the template context for a step. You can overwrite this method
    to add more data for all or some steps. This method returns a
    dictionary containing the rendered form step. Available template
    context variables are:
     * all extra data stored in the storage backend
     * `wizard` - a dictionary representation of the wizard instance
    Example:
    .. code-block:: python
        class MyWizard(WizardView):
            def get_context_data(self, form, **kwargs):
                context = super(MyWizard, self).get_context_data(form=form, **kwargs)
                if self.steps.current == 'my_step_name':
                    context.update({'another_var': True})
                return context
    """
    context = super(WizardView, self).get_context_data(form=form, **kwargs)
    context.update(self.storage.extra_data)
    context['wizard'] = {
        'form': form,
        'steps': self.steps,
        'management_form': ManagementForm(prefix=self.prefix, initial={
            'current_step': self.steps.current,
        }),
    }
    return context

ContextMixin

22
23
24
25
def get_context_data(self, **kwargs):
    if 'view' not in kwargs:
        kwargs['view'] = self
    return kwargs

def get_form(self, step=None, data=None, files=None): WizardView

Constructs the form for a given `step`. If no `step` is defined, the
current step will be determined automatically.

The form will be initialized using the `data` argument to prefill the
new form. If needed, instance or queryset (for `ModelForm` or
`ModelFormSet`) will be added too.
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
def get_form(self, step=None, data=None, files=None):
    """
    Constructs the form for a given `step`. If no `step` is defined, the
    current step will be determined automatically.
    The form will be initialized using the `data` argument to prefill the
    new form. If needed, instance or queryset (for `ModelForm` or
    `ModelFormSet`) will be added too.
    """
    if step is None:
        step = self.steps.current
    form_class = self.form_list[step]
    # prepare the kwargs for the form instance.
    kwargs = self.get_form_kwargs(step)
    kwargs.update({
        'data': data,
        'files': files,
        'prefix': self.get_form_prefix(step, form_class),
        'initial': self.get_form_initial(step),
    })
    if issubclass(form_class, (forms.ModelForm, forms.models.BaseInlineFormSet)):
        # If the form is based on ModelForm or InlineFormSet,
        # add instance if available and not previously set.
        kwargs.setdefault('instance', self.get_form_instance(step))
    elif issubclass(form_class, forms.models.BaseModelFormSet):
        # If the form is based on ModelFormSet, add queryset if available
        # and not previous set.
        kwargs.setdefault('queryset', self.get_form_instance(step))
    return form_class(**kwargs)

def get_form_initial(self, step): WizardView

Returns a dictionary which will be passed to the form for `step`
as `initial`. If no initial data was provided while initializing the
form wizard, an empty dictionary will be returned.
368
369
370
371
372
373
374
def get_form_initial(self, step):
    """
    Returns a dictionary which will be passed to the form for `step`
    as `initial`. If no initial data was provided while initializing the
    form wizard, an empty dictionary will be returned.
    """
    return self.initial_dict.get(step, {})

def get_form_instance(self, step): WizardView

Returns an object which will be passed to the form for `step`
as `instance`. If no instance object was provided while initializing
the form wizard, None will be returned.
376
377
378
379
380
381
382
def get_form_instance(self, step):
    """
    Returns an object which will be passed to the form for `step`
    as `instance`. If no instance object was provided while initializing
    the form wizard, None will be returned.
    """
    return self.instance_dict.get(step, None)

def get_form_kwargs(self, step=None): WizardView

Returns the keyword arguments for instantiating the form
(or formset) on the given step.
384
385
386
387
388
389
def get_form_kwargs(self, step=None):
    """
    Returns the keyword arguments for instantiating the form
    (or formset) on the given step.
    """
    return {}

def get_form_list(self): WizardView

This method returns a form_list based on the initial form list but
checks if there is a condition method/value in the condition_list.
If an entry exists in the condition list, it will call/read the value
and respect the result. (True means add the form, False means ignore
the form)

The form_list is always generated on the fly because condition methods
could use data from other (maybe previous forms).
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
def get_form_list(self):
    """
    This method returns a form_list based on the initial form list but
    checks if there is a condition method/value in the condition_list.
    If an entry exists in the condition list, it will call/read the value
    and respect the result. (True means add the form, False means ignore
    the form)
    The form_list is always generated on the fly because condition methods
    could use data from other (maybe previous forms).
    """
    form_list = OrderedDict()
    for form_key, form_class in six.iteritems(self.form_list):
        # try to fetch the value from condition list, by default, the form
        # gets passed to the new list.
        condition = self.condition_dict.get(form_key, True)
        if callable(condition):
            # call the value if needed, passes the current instance.
            condition = condition(self)
        if condition:
            form_list[form_key] = form_class
    return form_list

def get_form_prefix(self, step=None, form=None): WizardView

Returns the prefix which will be used when calling the actual form for
the given step. `step` contains the step-name, `form` the form which
will be called with the returned prefix.

If no step is given, the form_prefix will determine the current step
automatically.
355
356
357
358
359
360
361
362
363
364
365
def get_form_prefix(self, step=None, form=None):
    """
    Returns the prefix which will be used when calling the actual form for
    the given step. `step` contains the step-name, `form` the form which
    will be called with the returned prefix.
    If no step is given, the form_prefix will determine the current step
    automatically.
    """
    if step is None:
        step = self.steps.current
    return str(step)

def get_form_step_data(self, form): WizardView

Is used to return the raw form data. You may use this method to
manipulate the data.
444
445
446
447
448
449
def get_form_step_data(self, form):
    """
    Is used to return the raw form data. You may use this method to
    manipulate the data.
    """
    return form.data

def get_form_step_files(self, form): WizardView

Is used to return the raw form files. You may use this method to
manipulate the data.
451
452
453
454
455
456
def get_form_step_files(self, form):
    """
    Is used to return the raw form files. You may use this method to
    manipulate the data.
    """
    return form.files

def get_initkwargs(cls, form_list=None, initial_dict=None, instance_dict=None, condition_dict=None, *args, **kwargs): WizardView

Creates a dict with all needed parameters for the form wizard instances.

* `form_list` - is a list of forms. The list entries can be single form
  classes or tuples of (`step_name`, `form_class`). If you pass a list
  of forms, the wizardview will convert the class list to
  (`zero_based_counter`, `form_class`). This is needed to access the
  form for a specific step.
* `initial_dict` - contains a dictionary of initial data dictionaries.
  The key should be equal to the `step_name` in the `form_list` (or
  the str of the zero based counter - if no step_names added in the
  `form_list`)
* `instance_dict` - contains a dictionary whose values are model
  instances if the step is based on a ``ModelForm`` and querysets if
  the step is based on a ``ModelFormSet``. The key should be equal to
  the `step_name` in the `form_list`. Same rules as for `initial_dict`
  apply.
* `condition_dict` - contains a dictionary of boolean values or
  callables. If the value of for a specific `step_name` is callable it
  will be called with the wizardview instance as the only argument.
  If the return value is true, the step's form will be used.
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
@classmethod
def get_initkwargs(cls, form_list=None, initial_dict=None,
        instance_dict=None, condition_dict=None, *args, **kwargs):
    """
    Creates a dict with all needed parameters for the form wizard instances.
    * `form_list` - is a list of forms. The list entries can be single form
      classes or tuples of (`step_name`, `form_class`). If you pass a list
      of forms, the wizardview will convert the class list to
      (`zero_based_counter`, `form_class`). This is needed to access the
      form for a specific step.
    * `initial_dict` - contains a dictionary of initial data dictionaries.
      The key should be equal to the `step_name` in the `form_list` (or
      the str of the zero based counter - if no step_names added in the
      `form_list`)
    * `instance_dict` - contains a dictionary whose values are model
      instances if the step is based on a ``ModelForm`` and querysets if
      the step is based on a ``ModelFormSet``. The key should be equal to
      the `step_name` in the `form_list`. Same rules as for `initial_dict`
      apply.
    * `condition_dict` - contains a dictionary of boolean values or
      callables. If the value of for a specific `step_name` is callable it
      will be called with the wizardview instance as the only argument.
      If the return value is true, the step's form will be used.
    """
    kwargs.update({
        'initial_dict': initial_dict or kwargs.pop('initial_dict',
            getattr(cls, 'initial_dict', None)) or {},
        'instance_dict': instance_dict or kwargs.pop('instance_dict',
            getattr(cls, 'instance_dict', None)) or {},
        'condition_dict': condition_dict or kwargs.pop('condition_dict',
            getattr(cls, 'condition_dict', None)) or {}
    })
    form_list = form_list or kwargs.pop('form_list',
        getattr(cls, 'form_list', None)) or []
    computed_form_list = OrderedDict()
    assert len(form_list) > 0, 'at least one form is needed'
    # walk through the passed form list
    for i, form in enumerate(form_list):
        if isinstance(form, (list, tuple)):
            # if the element is a tuple, add the tuple to the new created
            # sorted dictionary.
            computed_form_list[six.text_type(form[0])] = form[1]
        else:
            # if not, add the form with a zero based counter as unicode
            computed_form_list[six.text_type(i)] = form
    # walk through the new created list of forms
    for form in six.itervalues(computed_form_list):
        if issubclass(form, formsets.BaseFormSet):
            # if the element is based on BaseFormSet (FormSet/ModelFormSet)
            # we need to override the form variable.
            form = form.form
        # check if any form contains a FileField, if yes, we need a
        # file_storage added to the wizardview (by subclassing).
        for field in six.itervalues(form.base_fields):
            if (isinstance(field, forms.FileField) and
                    not hasattr(cls, 'file_storage')):
                raise NoFileStorageConfigured(
                    "You need to define 'file_storage' in your "
                    "wizard view in order to handle file uploads.")
    # build the kwargs for the wizardview instances
    kwargs['form_list'] = computed_form_list
    return kwargs

def get_next_step(self, step=None): WizardView

Returns the next step after the given `step`. If no more steps are
available, None will be returned. If the `step` argument is None, the
current step will be determined automatically.
494
495
496
497
498
499
500
501
502
503
504
505
506
507
def get_next_step(self, step=None):
    """
    Returns the next step after the given `step`. If no more steps are
    available, None will be returned. If the `step` argument is None, the
    current step will be determined automatically.
    """
    if step is None:
        step = self.steps.current
    form_list = self.get_form_list()
    keys = list(form_list.keys())
    key = keys.index(step) + 1
    if len(keys) > key:
        return keys[key]
    return None

def get_prefix(self, *args, **kwargs): WizardView

195
196
197
def get_prefix(self, *args, **kwargs):
    # TODO: Add some kind of unique id to prefix
    return normalize_name(self.__class__.__name__)

def get_prev_step(self, step=None): WizardView

Returns the previous step before the given `step`. If there are no
steps available, None will be returned. If the `step` argument is
None, the current step will be determined automatically.
509
510
511
512
513
514
515
516
517
518
519
520
521
522
def get_prev_step(self, step=None):
    """
    Returns the previous step before the given `step`. If there are no
    steps available, None will be returned. If the `step` argument is
    None, the current step will be determined automatically.
    """
    if step is None:
        step = self.steps.current
    form_list = self.get_form_list()
    keys = list(form_list.keys())
    key = keys.index(step) - 1
    if key >= 0:
        return keys[key]
    return None

def get_step_index(self, step=None): WizardView

Returns the index for the given `step` name. If no step is given,
the current step will be used to get the index.
524
525
526
527
528
529
530
531
def get_step_index(self, step=None):
    """
    Returns the index for the given `step` name. If no step is given,
    the current step will be used to get the index.
    """
    if step is None:
        step = self.steps.current
    return list(self.get_form_list().keys()).index(step)

def get_template_names(self): TemplateResponseMixin

Returns a list of template names to be used for the request. Must return
a list. May not be called if render_to_response is overridden.
135
136
137
138
139
140
141
142
143
144
145
def get_template_names(self):
    """
    Returns a list of template names to be used for the request. Must return
    a list. May not be called if render_to_response is overridden.
    """
    if self.template_name is None:
        raise ImproperlyConfigured(
            "TemplateResponseMixin requires either a definition of "
            "'template_name' or an implementation of 'get_template_names()'")
    else:
        return [self.template_name]

def http_method_not_allowed(self, request, *args, **kwargs): View

89
90
91
92
93
94
95
96
def http_method_not_allowed(self, request, *args, **kwargs):
    logger.warning('Method Not Allowed (%s): %s', request.method, request.path,
        extra={
            'status_code': 405,
            'request': request
        }
    )
    return http.HttpResponseNotAllowed(self._allowed_methods())

def options(self, request, *args, **kwargs): View

Handles responding to requests for the OPTIONS HTTP verb.
 98
 99
100
101
102
103
104
105
def options(self, request, *args, **kwargs):
    """
    Handles responding to requests for the OPTIONS HTTP verb.
    """
    response = http.HttpResponse()
    response['Allow'] = ', '.join(self._allowed_methods())
    response['Content-Length'] = '0'
    return response

def post(self, *args, **kwargs): WizardView

This method handles POST requests.

The wizard will render either the current step (if form validation
wasn't successful), the next step (if the current step was stored
successful) or the done view (if no more steps are available)
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
def post(self, *args, **kwargs):
    """
    This method handles POST requests.
    The wizard will render either the current step (if form validation
    wasn't successful), the next step (if the current step was stored
    successful) or the done view (if no more steps are available)
    """
    # Look for a wizard_goto_step element in the posted data which
    # contains a valid step name. If one was found, render the requested
    # form. (This makes stepping back a lot easier).
    wizard_goto_step = self.request.POST.get('wizard_goto_step', None)
    if wizard_goto_step and wizard_goto_step in self.get_form_list():
        return self.render_goto_step(wizard_goto_step)
    # Check if form was refreshed
    management_form = ManagementForm(self.request.POST, prefix=self.prefix)
    if not management_form.is_valid():
        raise ValidationError(
            _('ManagementForm data is missing or has been tampered.'),
            code='missing_management_form',
        )
    form_current_step = management_form.cleaned_data['current_step']
    if (form_current_step != self.steps.current and
            self.storage.current_step is not None):
        # form refreshed, change current step
        self.storage.current_step = form_current_step
    # get the form for the current step
    form = self.get_form(data=self.request.POST, files=self.request.FILES)
    # and try to validate
    if form.is_valid():
        # if the form is valid, store the cleaned data and files.
        self.storage.set_step_data(self.steps.current, self.process_step(form))
        self.storage.set_step_files(self.steps.current, self.process_step_files(form))
        # check if the current step is the last step
        if self.steps.current == self.steps.last:
            # no more steps, render done view
            return self.render_done(form, **kwargs)
        else:
            # proceed to the next step
            return self.render_next_step(form)
    return self.render(form)

def process_step(self, form): WizardView

This method is used to postprocess the form data. By default, it
returns the raw `form.data` dictionary.
421
422
423
424
425
426
def process_step(self, form):
    """
    This method is used to postprocess the form data. By default, it
    returns the raw `form.data` dictionary.
    """
    return self.get_form_step_data(form)

def process_step_files(self, form): WizardView

This method is used to postprocess the form files. By default, it
returns the raw `form.files` dictionary.
428
429
430
431
432
433
def process_step_files(self, form):
    """
    This method is used to postprocess the form files. By default, it
    returns the raw `form.files` dictionary.
    """
    return self.get_form_step_files(form)

def render(self, form=None, **kwargs): WizardView

Returns a ``HttpResponse`` containing all needed context data.
565
566
567
568
569
570
571
def render(self, form=None, **kwargs):
    """
    Returns a ``HttpResponse`` containing all needed context data.
    """
    form = form or self.get_form()
    context = self.get_context_data(form=form, **kwargs)
    return self.render_to_response(context)

def render_done(self, form, **kwargs): WizardView

This method gets called when all forms passed. The method should also
re-validate all steps to prevent manipulation. If any form fails to
validate, `render_revalidation_failure` should get called.
If everything is fine call `done`.
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
def render_done(self, form, **kwargs):
    """
    This method gets called when all forms passed. The method should also
    re-validate all steps to prevent manipulation. If any form fails to
    validate, `render_revalidation_failure` should get called.
    If everything is fine call `done`.
    """
    final_forms = OrderedDict()
    # walk through the form list and try to validate the data again.
    for form_key in self.get_form_list():
        form_obj = self.get_form(step=form_key,
            data=self.storage.get_step_data(form_key),
            files=self.storage.get_step_files(form_key))
        if not form_obj.is_valid():
            return self.render_revalidation_failure(form_key, form_obj, **kwargs)
        final_forms[form_key] = form_obj
    # render the done view and reset the wizard before returning the
    # response. This is needed to prevent from rendering done with the
    # same data twice.
    done_response = self.done(final_forms.values(), form_dict=final_forms, **kwargs)
    self.storage.reset()
    return done_response

def render_goto_step(self, goto_step, **kwargs): WizardView

This method gets called when the current step has to be changed.
`goto_step` contains the requested step to go to.
320
321
322
323
324
325
326
327
328
329
def render_goto_step(self, goto_step, **kwargs):
    """
    This method gets called when the current step has to be changed.
    `goto_step` contains the requested step to go to.
    """
    self.storage.current_step = goto_step
    form = self.get_form(
        data=self.storage.get_step_data(self.steps.current),
        files=self.storage.get_step_files(self.steps.current))
    return self.render(form)

def render_next_step(self, form, **kwargs): WizardView

This method gets called when the next step/form should be rendered.
`form` contains the last/current form.
304
305
306
307
308
309
310
311
312
313
314
315
316
317
def render_next_step(self, form, **kwargs):
    """
    This method gets called when the next step/form should be rendered.
    `form` contains the last/current form.
    """
    # get the form instance based on the data from the storage backend
    # (if available).
    next_step = self.steps.next
    new_form = self.get_form(next_step,
        data=self.storage.get_step_data(next_step),
        files=self.storage.get_step_files(next_step))
    # change the stored current step
    self.storage.current_step = next_step
    return self.render(new_form, **kwargs)

def render_revalidation_failure(self, step, form, **kwargs): WizardView

Gets called when a form doesn't validate when rendering the done
view. By default, it changes the current step to failing forms step
and renders the form.
435
436
437
438
439
440
441
442
def render_revalidation_failure(self, step, form, **kwargs):
    """
    Gets called when a form doesn't validate when rendering the done
    view. By default, it changes the current step to failing forms step
    and renders the form.
    """
    self.storage.current_step = step
    return self.render(form, **kwargs)

def render_to_response(self, context, **response_kwargs): TemplateResponseMixin

Returns a response, using the `response_class` for this
view, with a template rendered with the given context.

If any keyword arguments are provided, they will be
passed to the constructor of the response class.
119
120
121
122
123
124
125
126
127
128
129
130
131
132
def render_to_response(self, context, **response_kwargs):
    """
    Returns a response, using the `response_class` for this
    view, with a template rendered with the given context.
    If any keyword arguments are provided, they will be
    passed to the constructor of the response class.
    """
    response_kwargs.setdefault('content_type', self.content_type)
    return self.response_class(
        request=self.request,
        template=self.get_template_names(),
        context=context,
        **response_kwargs
    )