diff options
Diffstat (limited to 'tosca2heat/tosca-parser-0.3.0/toscaparser/elements/policytype.py')
-rw-r--r-- | tosca2heat/tosca-parser-0.3.0/toscaparser/elements/policytype.py | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/tosca2heat/tosca-parser-0.3.0/toscaparser/elements/policytype.py b/tosca2heat/tosca-parser-0.3.0/toscaparser/elements/policytype.py new file mode 100644 index 0000000..aa53c2d --- /dev/null +++ b/tosca2heat/tosca-parser-0.3.0/toscaparser/elements/policytype.py @@ -0,0 +1,45 @@ +# 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.elements.statefulentitytype import StatefulEntityType + + +class PolicyType(StatefulEntityType): + '''TOSCA built-in policies type.''' + + def __init__(self, ptype, custom_def=None): + super(PolicyType, self).__init__(ptype, self.POLICY_PREFIX, + custom_def) + self.type = ptype + self.properties = None + if self.PROPERTIES in self.defs: + self.properties = self.defs[self.PROPERTIES] + self.parent_policies = self._get_parent_policies() + + def _get_parent_policies(self): + policies = {} + parent_policy = self.parent_type + if parent_policy: + while parent_policy != 'tosca.policies.Root': + policies[parent_policy] = self.TOSCA_DEF[parent_policy] + parent_policy = policies[parent_policy]['derived_from'] + return policies + + @property + def parent_type(self): + '''Return a policy this policy is derived from.''' + return self.derived_from(self.defs) + + def get_policy(self, name): + '''Return the definition of a policy field by name.''' + if name in self.defs: + return self.defs[name] |