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# 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
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