| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You 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 ...utils.collections import merge |
| from ...utils.formatting import safe_repr |
| from ..validation import Issue |
| from .presentation import Presentation |
| |
| |
| class Presenter(Presentation): |
| """ |
| Base class for ARIA presenters. |
| |
| Presenters provide a robust API over agnostic raw data. |
| """ |
| |
| DSL_VERSIONS = None |
| ALLOWED_IMPORTED_DSL_VERSIONS = None |
| |
| @classmethod |
| def can_present(cls, raw): |
| dsl = raw.get('tosca_definitions_version') |
| assert cls.DSL_VERSIONS |
| return dsl in cls.DSL_VERSIONS |
| |
| def _validate_import(self, context, presentation): |
| tosca_definitions_version = presentation.service_template.tosca_definitions_version |
| assert self.ALLOWED_IMPORTED_DSL_VERSIONS |
| if tosca_definitions_version is not None \ |
| and tosca_definitions_version not in self.__class__.ALLOWED_IMPORTED_DSL_VERSIONS: |
| context.validation.report( |
| 'import "tosca_definitions_version" is not one of %s: %s' |
| % (' or '.join([safe_repr(v) |
| for v in self.__class__.ALLOWED_IMPORTED_DSL_VERSIONS]), |
| presentation.service_template.tosca_definitions_version), |
| locator=presentation._get_child_locator('inputs'), |
| level=Issue.BETWEEN_TYPES) |
| return False |
| return True |
| |
| def _merge_import(self, presentation): |
| merge(self._raw, presentation._raw) |
| if hasattr(self._raw, '_locator') and hasattr(presentation._raw, '_locator'): |
| self._raw._locator.merge(presentation._raw._locator) |
| |
| def _link_locators(self): |
| if hasattr(self._raw, '_locator'): |
| locator = self._raw._locator |
| delattr(self._raw, '_locator') |
| locator.link(self._raw) |
| |
| @staticmethod |
| def _get_import_locations(context): |
| raise NotImplementedError |
| |
| @staticmethod |
| def _get_deployment_template(context): |
| raise NotImplementedError |