old_contents: # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #    http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
  # implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  from django.utils.translation import ugettext_lazy as _
  
  from horizon import tables
  
  
  class ResourceTypesTable(tables.DataTable):
      class ResourceColumn(tables.Column):
          def get_raw_data(self, datum):
              attr_list = ['implementation', 'component', 'resource']
              info_list = datum.resource_type.split('::')
              info_list[0] = info_list[0].replace("OS", "OpenStack")
              if info_list[0] == "AWS":
                  info_list[0] = _("AWS compatible")
              info_dict = dict(zip(attr_list, info_list))
              return info_dict[self.transform]
  
      name = tables.Column("resource_type",
                           verbose_name=_("Type"),
                           link="horizon:project:stacks.resource_types:details",)
      implementation = ResourceColumn("implementation",
                                      verbose_name=_("Implementation"),)
      component = ResourceColumn("component",
                                 verbose_name=_("Component"),)
      resource = ResourceColumn("resource",
                                verbose_name=_("Resource"),)
  
      def get_object_id(self, resource):
          return resource.resource_type
  
      class Meta(object):
          name = "resource_types"
          verbose_name = _("Resource Types")
  
new_contents: # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #    http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
  # implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  from django.utils.translation import ugettext_lazy as _
  
  from horizon import tables
  
  
  class ResourceTypesTable(tables.DataTable):
      class ResourceColumn(tables.Column):
          def get_raw_data(self, datum):
              attr_list = ['implementation', 'component', 'resource']
              info_list = datum.resource_type.split('::')
              info_list[0] = info_list[0].replace("OS", "OpenStack")
              if info_list[0] == "AWS":
                  info_list[0] = _("AWS compatible")
              info_dict = dict(zip(attr_list, info_list))
              return info_dict[self.transform]
  
      name = tables.Column("resource_type",
                           verbose_name=_("Type"),
                           link="horizon:project:stacks.resource_types:details",)
      implementation = ResourceColumn("implementation",
                                      verbose_name=_("Implementation"),)
      component = ResourceColumn("component",
                                 verbose_name=_("Component"),)
      resource = ResourceColumn("resource",
                                verbose_name=_("Resource"),)
  
      def get_object_id(self, resource):
          return resource.resource_type
  
      class Meta(object):
          name = "resource_types"
          verbose_name = _("Resource Types")
          table_actions = (tables.FilterAction,)
  
subject: Add filter function on resource type table