Python models.Page类代码示例

    def handle(self, *args, **options):
        # Get blogpage content type
        blogpage_content_type, created = ContentType.objects.get_or_create(
            model='blogpage',
            app_label='puput',
            defaults={'name': 'page'} if DJANGO_VERSION < (1, 8) else {}
        )

        # Get root page
        rootpage = Page.objects.first()

        # Set site root page as root site page
        site = Site.objects.first()
        site.root_page = rootpage
        site.save()

        # Create example blog page
        blogpage = Page(
            title="Blog",
            content_type=blogpage_content_type,
            slug='blog',
        )

        # Add blog page as a child for homepage
        rootpage.add_child(instance=blogpage)
        revision = blogpage.save_revision()
        revision.publish()

 def test_page(self):
     page = Page(
         title='testpage',
         slug='test',
         path='000100019999',
         depth=3
     )
     page.save()
     return page

def index(request, parent_page_id=None):
    if parent_page_id:
        parent_page = get_object_or_404(Page, id=parent_page_id)
    else:
        parent_page = Page.get_first_root_node()

    pages = parent_page.get_children().prefetch_related('content_type')

    # Get page ordering
    ordering = request.GET.get('ordering', '-latest_revision_created_at')
    if ordering not in ['title', '-title', 'content_type', '-content_type', 'live', '-live', 'latest_revision_created_at', '-latest_revision_created_at', 'ord']:
        ordering = '-latest_revision_created_at'

    # Pagination
    # Don't paginate if sorting by page order - all pages must be shown to
    # allow drag-and-drop reordering
    do_paginate = ordering != 'ord'
    if do_paginate:
        ordering_no_minus = ordering.lstrip('-')
        pages = pages.order_by(ordering).annotate(null_position=Count(ordering_no_minus)).order_by('-null_position', ordering)
        paginator, pages = paginate(request, pages, per_page=50)

    return render(request, 'wagtailadmin/pages/index.html', {
        'parent_page': parent_page,
        'ordering': ordering,
        'pagination_query_params': "ordering=%s" % ordering,
        'pages': pages,
        'do_paginate': do_paginate,
    })

 def setUp(self):
     home_page = CaosHomePage(title='TestHomePage')
     root_page = Page.get_root_nodes()[0]
     root_page.add_child(instance=home_page)
     sites = Site.objects.get(id=1)
     sites.root_page = home_page
     sites.save()

    def clean(self):

        cleaned_data = super(WagtailAdminPageForm, self).clean()
        if 'slug' in self.cleaned_data:
            if not Page._slug_is_available(
                cleaned_data['slug'], self.parent_page, self.instance
            ):
                self.add_error('slug', forms.ValidationError(_("This slug is already in use")))

        # Check scheduled publishing fields
        go_live_at = cleaned_data.get('go_live_at')
        expire_at = cleaned_data.get('expire_at')

        # Go live must be before expire
        if go_live_at and expire_at:
            if go_live_at > expire_at:
                msg = _('Go live date/time must be before expiry date/time')
                self.add_error('go_live_at', forms.ValidationError(msg))
                self.add_error('expire_at', forms.ValidationError(msg))

        # Expire at must be in the future
        if expire_at and expire_at < timezone.now():
            self.add_error('expire_at', forms.ValidationError(_('Expiry date/time must be in the future')))

        return cleaned_data

 def create_test(title, intro, parent=None):
     if (parent is None):
         parent = Page.get_first_root_node()
     contact = ContactFormPage(title=title, intro=intro, thank_you_head='f',
                               thank_you_text='f', slug=text.slugify(title))
     parent.add_child(instance=contact)
     return contact

def browse(request, parent_page_id=None):
    # Find parent page
    if parent_page_id:
        parent_page = get_object_or_404(Page, id=parent_page_id)
    else:
        parent_page = Page.get_first_root_node()

    # Get children of parent page
    pages = parent_page.get_children()

    # Filter them by page type
    # A missing or empty page_type parameter indicates 'all page types' (i.e. descendants of wagtailcore.page)
    page_type_string = request.GET.get('page_type') or 'wagtailcore.page'
    if page_type_string != 'wagtailcore.page':
        try:
            desired_classes = page_models_from_string(page_type_string)
        except (ValueError, LookupError):
            raise Http404

        # restrict the page listing to just those pages that:
        # - are of the given content type (taking into account class inheritance)
        # - or can be navigated into (i.e. have children)
        choosable_pages = filter_page_type(pages, desired_classes)
        descendable_pages = pages.filter(numchild__gt=0)
        pages = choosable_pages | descendable_pages
    else:
        desired_classes = (Page, )

    can_choose_root = request.GET.get('can_choose_root', False)

    # Parent page can be chosen if it is a instance of desired_classes
    parent_page.can_choose = issubclass(parent_page.specific_class or Page, desired_classes) and (can_choose_root or not parent_page.is_root())

    # Pagination
    # We apply pagination first so we don't need to walk the entire list
    # in the block below
    paginator, pages = paginate(request, pages, per_page=25)

    # Annotate each page with can_choose/can_decend flags
    for page in pages:
        if desired_classes == (Page, ):
            page.can_choose = True
        else:
            page.can_choose = issubclass(page.specific_class or Page, desired_classes)

        page.can_descend = page.get_children_count()

    # Render
    return render_modal_workflow(
        request,
        'wagtailadmin/chooser/browse.html', 'wagtailadmin/chooser/browse.js',
        shared_context(request, {
            'parent_page': parent_page,
            'pages': pages,
            'search_form': SearchForm(),
            'page_type_string': page_type_string,
            'page_type_names': [desired_class.get_verbose_name() for desired_class in desired_classes],
            'page_types_restricted': (page_type_string != 'wagtailcore.page')
        })
    )

def index(request, parent_page_id=None):
    if parent_page_id:
        parent_page = get_object_or_404(Page, id=parent_page_id)
    else:
        parent_page = Page.get_first_root_node()

    pages = parent_page.get_children().prefetch_related("content_type")

    # Get page ordering
    ordering = request.GET.get("ordering", "title")
    if ordering not in ["title", "-title", "content_type", "-content_type", "live", "-live", "ord"]:
        ordering = "title"

    # Pagination
    if ordering != "ord":
        pages = pages.order_by(ordering)

        p = request.GET.get("p", 1)
        paginator = Paginator(pages, 50)
        try:
            pages = paginator.page(p)
        except PageNotAnInteger:
            pages = paginator.page(1)
        except EmptyPage:
            pages = paginator.page(paginator.num_pages)

    return render(
        request, "wagtailadmin/pages/index.html", {"parent_page": parent_page, "ordering": ordering, "pages": pages}
    )

def index(request, parent_page_id=None):
    if parent_page_id:
        parent_page = get_object_or_404(Page, id=parent_page_id)
    else:
        parent_page = Page.get_first_root_node()

    pages = parent_page.get_children().prefetch_related('content_type')

    # Get page ordering
    ordering = request.GET.get('ordering', 'title')
    if ordering not in ['title', '-title', 'content_type', '-content_type', 'live', '-live', 'ord']:
        ordering = 'title'

    # Pagination
    if ordering != 'ord':
        pages = pages.order_by(ordering)

        p = request.GET.get('p', 1)
        paginator = Paginator(pages, 50)
        try:
            pages = paginator.page(p)
        except PageNotAnInteger:
            pages = paginator.page(1)
        except EmptyPage:
            pages = paginator.page(paginator.num_pages)

    return render(request, 'wagtailadmin/pages/index.html', {
        'parent_page': parent_page,
        'ordering': ordering,
        'pages': pages,
    })

def index(request, parent_page_id=None):
    if parent_page_id:
        parent_page = get_object_or_404(Page, id=parent_page_id)
    else:
        parent_page = Page.get_first_root_node()

    pages = parent_page.get_children().prefetch_related('content_type')

    # Get page ordering
    ordering = request.GET.get('ordering', '-latest_revision_created_at')
    if ordering not in ['title', '-title', 'content_type', '-content_type', 'live', '-live', 'latest_revision_created_at', '-latest_revision_created_at', 'ord']:
        ordering = '-latest_revision_created_at'

    # Pagination
    if ordering != 'ord':
        ordering_no_minus = ordering
        if ordering_no_minus.startswith('-'):
            ordering_no_minus = ordering[1:]
        pages = pages.order_by(ordering).annotate(null_position=Count(ordering_no_minus)).order_by('-null_position', ordering)

        p = request.GET.get('p', 1)
        paginator = Paginator(pages, 50)
        try:
            pages = paginator.page(p)
        except PageNotAnInteger:
            pages = paginator.page(1)
        except EmptyPage:
            pages = paginator.page(paginator.num_pages)

    return render(request, 'wagtailadmin/pages/index.html', {
        'parent_page': parent_page,
        'ordering': ordering,
        'pagination_query_params': "ordering=%s" % ordering,
        'pages': pages,
    })

def preview_on_create(request, content_type_app_name, content_type_model_name, parent_page_id):
    # Receive the form submission that would typically be posted to the 'create' view. If submission is valid,
    # return the rendered page; if not, re-render the edit form
    try:
        content_type = ContentType.objects.get_by_natural_key(content_type_app_name, content_type_model_name)
    except ContentType.DoesNotExist:
        raise Http404

    page_class = content_type.model_class()
    page = page_class()
    edit_handler_class = page_class.get_edit_handler()
    form_class = edit_handler_class.get_form_class(page_class)
    parent_page = get_object_or_404(Page, id=parent_page_id).specific

    form = form_class(request.POST, request.FILES, instance=page, parent_page=parent_page)

    if form.is_valid():
        form.save(commit=False)

        # We need to populate treebeard's path / depth fields in order to pass validation.
        # We can't make these 100% consistent with the rest of the tree without making actual
        # database changes (such as incrementing the parent's numchild field), but by
        # calling treebeard's internal _get_path method, we can set a 'realistic' value that
        # will hopefully enable tree traversal operations to at least partially work.
        page.depth = parent_page.depth + 1

        if parent_page.is_leaf():
            # set the path as the first child of parent_page
            page.path = page._get_path(parent_page.path, page.depth, 1)
        else:
            # add the new page after the last child of parent_page
            page.path = parent_page.get_last_child()._inc_path()

        # ensure that our unsaved page instance has a suitable url set
        page.set_url_path(parent_page)

        page.full_clean()

        # Set treebeard attributes
        page.depth = parent_page.depth + 1
        page.path = Page._get_children_path_interval(parent_page.path)[1]

        preview_mode = request.GET.get('mode', page.default_preview_mode)
        response = page.serve_preview(page.dummy_request(request), preview_mode)
        response['X-Wagtail-Preview'] = 'ok'
        return response

    else:
        edit_handler = edit_handler_class(instance=page, form=form)

        response = render(request, 'wagtailadmin/pages/create.html', {
            'content_type': content_type,
            'page_class': page_class,
            'parent_page': parent_page,
            'edit_handler': edit_handler,
            'preview_modes': page.preview_modes,
            'form': form,
        })
        response['X-Wagtail-Preview'] = 'error'
        return response

    def search_view(self, request):
        # Search
        query_string = request.GET.get('q', None)
        if query_string is not None:
            # Get list of live subpages of the homepage
            # for current language.
            pages = Page.objects.descendant_of(self).live()

            # TODO: Remove pages from PageQuerySet that don't stem
            # from current language's home page.

            # Search them

            # Waiting on wagtail to push PageQuerySet.search() to
            # the public repo.
            pages = pages.search(query_string)
        else:
            pages = Page.objects.none()

        # Pagination
        # TODO

        # Update context
        context = Page.get_context(self, request)
        context['query_string'] = query_string
        context['pages'] = pages
        return TemplateResponse(request, self.search_template, context)

def move_choose_destination(request, page_to_move_id, viewed_page_id=None):
    page_to_move = get_object_or_404(Page, id=page_to_move_id)
    page_perms = page_to_move.permissions_for_user(request.user)
    if not page_perms.can_move():
        raise PermissionDenied

    if viewed_page_id:
        viewed_page = get_object_or_404(Page, id=viewed_page_id)
    else:
        viewed_page = Page.get_first_root_node()

    viewed_page.can_choose = page_perms.can_move_to(viewed_page)

    child_pages = []
    for target in viewed_page.get_children():
        # can't move the page into itself or its descendants
        target.can_choose = page_perms.can_move_to(target)

        target.can_descend = not(target == page_to_move or target.is_child_of(page_to_move)) and target.get_children_count()

        child_pages.append(target)

    return render(request, 'wagtailadmin/pages/move_choose_destination.html', {
        'page_to_move': page_to_move,
        'viewed_page': viewed_page,
        'child_pages': child_pages,
    })

def browse(request, parent_page_id=None):
    page_type = request.GET.get('page_type') or 'wagtailcore.page'
    content_type_app_name, content_type_model_name = page_type.split('.')

    is_searching = False

    try:
        content_type = ContentType.objects.get_by_natural_key(content_type_app_name, content_type_model_name)
    except ContentType.DoesNotExist:
        raise Http404
    desired_class = content_type.model_class()

    if 'q' in request.GET:
        search_form = SearchForm(request.GET)
        if search_form.is_valid() and search_form.cleaned_data['q']:
            pages = desired_class.objects.exclude(
                depth=1  # never include root
            ).filter(title__icontains=search_form.cleaned_data['q'])[:10]
            is_searching = True

    if not is_searching:
        if parent_page_id:
            parent_page = get_object_or_404(Page, id=parent_page_id)
        else:
            parent_page = Page.get_first_root_node()

        parent_page.can_choose = issubclass(parent_page.specific_class, desired_class)
        search_form = SearchForm()
        pages = parent_page.get_children()

    # restrict the page listing to just those pages that:
    # - are of the given content type (taking into account class inheritance)
    # - or can be navigated into (i.e. have children)

    shown_pages = []
    for page in pages:
        page.can_choose = issubclass(page.specific_class, desired_class)
        page.can_descend = page.get_children_count()

        if page.can_choose or page.can_descend:
            shown_pages.append(page)

    if is_searching:
        return render(request, 'wagtailadmin/chooser/_search_results.html', {
            'querystring': get_querystring(request),
            'searchform': search_form,
            'pages': pages,
            'is_searching': is_searching
        })

    return render_modal_workflow(request, 'wagtailadmin/chooser/browse.html', 'wagtailadmin/chooser/browse.js', {
        'allow_external_link': request.GET.get('allow_external_link'),
        'allow_email_link': request.GET.get('allow_email_link'),
        'querystring': get_querystring(request),
        'parent_page': parent_page,
        'pages': shown_pages,
        'search_form': search_form,
        'is_searching': False
    })

 def entries_search(self, request, *args, **kwargs):
     search_query = request.GET.get('q', None)
     self.entries = self.get_entries()
     if search_query:
         self.entries = self.entries.search(search_query)
         self.search_term = search_query
         self.search_type = _('search')
         Query.get(search_query).add_hit()
     return Page.serve(self, request, *args, **kwargs)