list.py 文件源码

def make_result_list(self):
        # Get search parameters from the query string.
        self.base_queryset = self.queryset()
        self.list_queryset = self.get_list_queryset()
        self.ordering_field_columns = self.get_ordering_field_columns()
        self.paginator = self.get_paginator()

        # Get the number of objects, with admin filters applied.
        self.result_count = self.paginator.count

        # Get the total number of objects, with no admin filters applied.
        # Perform a slight optimization: Check to see whether any filters were
        # given. If not, use paginator.hits to calculate the number of objects,
        # because we've already done paginator.hits and the value is cached.
        if not self.list_queryset.query.where:
            self.full_result_count = self.result_count
        else:
            self.full_result_count = self.base_queryset.count()

        self.can_show_all = self.result_count <= self.list_max_show_all
        self.multi_page = self.result_count > self.list_per_page

        # Get the list of objects to display on this page.
        if (self.show_all and self.can_show_all) or not self.multi_page:
            self.result_list = self.list_queryset._clone()
        else:
            try:
                self.result_list = self.paginator.page(
                    self.page_num + 1).object_list
            except InvalidPage:
                if ERROR_FLAG in list(self.request.GET.keys()):
                    return SimpleTemplateResponse('xadmin/views/invalid_setup.html', {
                        'title': _('Database error'),
                    })
                return HttpResponseRedirect(self.request.path + '?' + ERROR_FLAG + '=1')
        self.has_more = self.result_count > (
            self.list_per_page * self.page_num + len(self.result_list))