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Django 2.2: Class-Based Views

Класс PasswordChangeDoneView (Django 2.2)

from django.contrib.auth.views import PasswordChangeDoneView

Render a template. Pass keyword arguments from the URLconf to the context.

Диаграмма | Documentation | Исходный код

Предки (MRO)

  1. PasswordChangeDoneView
  2. PasswordContextMixin
  3. TemplateView
  4. TemplateResponseMixin
  5. ContextMixin
  6. View

Атрибуты

  Определено в
content_type = None TemplateResponseMixin
extra_context = None PasswordContextMixin
extra_context = None ContextMixin
http_method_names = ['get', 'post', 'put', 'patch', 'delete', 'head', 'options', 'trace'] View
response_class = <class 'django.template.response.TemplateResponse'> TemplateResponseMixin
template_engine = None TemplateResponseMixin
template_name = 'registration/password_change_done.html' PasswordChangeDoneView
template_name = None TemplateResponseMixin
title = gettext_lazy('Password change successful') PasswordChangeDoneView

Методы

Constructor. Called in the URLconf; can contain helpful extra
keyword arguments, and other things.
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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 kwargs.items():
        setattr(self, key, value)

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

Main entry point for a request-response process.
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@classonlymethod
def as_view(cls, **initkwargs):
    """Main entry point for a request-response process."""
    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.setup(request, *args, **kwargs)
        if not hasattr(self, 'request'):
            raise AttributeError(
                "%s instance has no 'request' attribute. Did you override "
                "setup() and forget to call super()?" % cls.__name__
            )
        return self.dispatch(request, *args, **kwargs)
    view.view_class = cls
    view.view_initkwargs = initkwargs
    # 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
PasswordChangeDoneView
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@method_decorator(login_required)
def dispatch(self, *args, **kwargs):
    return super().dispatch(*args, **kwargs)
View
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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)

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def get(self, request, *args, **kwargs):
    context = self.get_context_data(**kwargs)
    return self.render_to_response(context)
PasswordContextMixin
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def get_context_data(self, **kwargs):
    context = super().get_context_data(**kwargs)
    context.update({
        'title': self.title,
        **(self.extra_context or {})
    })
    return context
ContextMixin
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def get_context_data(self, **kwargs):
    kwargs.setdefault('view', self)
    if self.extra_context is not None:
        kwargs.update(self.extra_context)
    return kwargs

Return 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.
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def get_template_names(self):
    """
    Return 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]

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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 HttpResponseNotAllowed(self._allowed_methods())

Handle responding to requests for the OPTIONS HTTP verb.
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def options(self, request, *args, **kwargs):
    """Handle responding to requests for the OPTIONS HTTP verb."""
    response = HttpResponse()
    response['Allow'] = ', '.join(self._allowed_methods())
    response['Content-Length'] = '0'
    return response

Return a response, using the `response_class` for this view, with a template rendered with the given context. Pass response_kwargs to the constructor of the response class.
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def render_to_response(self, context, **response_kwargs):
    """
    Return a response, using the `response_class` for this view, with a
    template rendered with the given context.
    Pass response_kwargs 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,
        using=self.template_engine,
        **response_kwargs
    )

Initialize attributes shared by all view methods.
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def setup(self, request, *args, **kwargs):
    """Initialize attributes shared by all view methods."""
    self.request = request
    self.args = args
    self.kwargs = kwargs
Auth mixins
Auth views
generic
Generic base
Generic dates
Generic detail
Generic edit
Generic list