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# 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 toscaparser.common.exception import ExceptionCollector
from toscaparser.common.exception import InvalidTypeError
from toscaparser.common.exception import UnknownFieldError
from toscaparser.elements.statefulentitytype import StatefulEntityType
class GroupType(StatefulEntityType):
'''TOSCA built-in group type.'''
SECTIONS = (DERIVED_FROM, VERSION, METADATA, DESCRIPTION, PROPERTIES,
MEMBERS, INTERFACES) = \
("derived_from", "version", "metadata", "description",
"properties", "members", "interfaces")
def __init__(self, grouptype, custom_def=None):
super(GroupType, self).__init__(grouptype, self.GROUP_PREFIX,
custom_def)
self.custom_def = custom_def
self.grouptype = grouptype
self._validate_fields()
self.group_description = None
if self.DESCRIPTION in self.defs:
self.group_description = self.defs[self.DESCRIPTION]
self.group_version = None
if self.VERSION in self.defs:
self.group_version = self.defs[self.VERSION]
self.group_properties = None
if self.PROPERTIES in self.defs:
self.group_properties = self.defs[self.PROPERTIES]
self.group_members = None
if self.MEMBERS in self.defs:
self.group_members = self.defs[self.MEMBERS]
if self.METADATA in self.defs:
self.meta_data = self.defs[self.METADATA]
self._validate_metadata(self.meta_data)
@property
def parent_type(self):
'''Return a group statefulentity of this entity is derived from.'''
if not hasattr(self, 'defs'):
return None
pgroup_entity = self.derived_from(self.defs)
if pgroup_entity:
return GroupType(pgroup_entity, self.custom_def)
@property
def description(self):
return self.group_description
@property
def version(self):
return self.group_version
@property
def interfaces(self):
return self.get_value(self.INTERFACES)
def _validate_fields(self):
if self.defs:
for name in self.defs.keys():
if name not in self.SECTIONS:
ExceptionCollector.appendException(
UnknownFieldError(what='Group Type %s'
% self.grouptype, field=name))
def _validate_metadata(self, meta_data):
if not meta_data.get('type') in ['map', 'tosca:map']:
ExceptionCollector.appendException(
InvalidTypeError(what='"%s" defined in group for '
'metadata' % (meta_data.get('type'))))
for entry_schema, entry_schema_type in meta_data.items():
if isinstance(entry_schema_type, dict) and not \
entry_schema_type.get('type') == 'string':
ExceptionCollector.appendException(
InvalidTypeError(what='"%s" defined in group for '
'metadata "%s"'
% (entry_schema_type.get('type'),
entry_schema)))
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