folderadmin.py 文件源码

def rename_files(self, request, files_queryset, folders_queryset):
        opts = self.model._meta
        app_label = opts.app_label

        current_folder = self._get_current_action_folder(request, files_queryset, folders_queryset)
        perms_needed = self._check_move_perms(request, files_queryset, folders_queryset)
        to_rename = self._list_all_to_copy_or_move(request, files_queryset, folders_queryset)

        if request.method == 'POST' and request.POST.get('post'):
            if perms_needed:
                raise PermissionDenied
            form = RenameFilesForm(request.POST)
            if form.is_valid():
                if files_queryset.count() + folders_queryset.count():
                    n = self._rename_files_impl(files_queryset, folders_queryset, form.cleaned_data, 0)
                    self.message_user(request, _("Successfully renamed %(count)d files.") % {
                        "count": n,
                    })
                return None
        else:
            form = RenameFilesForm()

        context = admin_each_context(self.admin_site, request)
        context.update({
            "title": _("Rename files"),
            "instance": current_folder,
            "breadcrumbs_action": _("Rename files"),
            "to_rename": to_rename,
            "rename_form": form,
            "files_queryset": files_queryset,
            "folders_queryset": folders_queryset,
            "perms_lacking": perms_needed,
            "opts": opts,
            "root_path": reverse('admin:index'),
            "app_label": app_label,
            "action_checkbox_name": helpers.ACTION_CHECKBOX_NAME,
        })

        # Display the rename format selection page
        return render(request, "admin/filer/folder/choose_rename_format.html", context)