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path: root/nfvparser/toscaparser/capabilities.py
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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.properties import Property


class Capability(object):
    '''TOSCA built-in capabilities type.'''

    def __init__(self, name, properties, definition, custom_def):
        self.name = name
        self._properties = properties
        self.definition = definition
        self.custom_def = custom_def

    def get_properties_objects(self):
        '''Return a list of property objects.'''
        properties = []
        props = self._properties
        if props:
            for name, value in props.items():
                props_def = self.definition.get_properties_def()
                if props_def and name in props_def:
                    properties.append(Property(name, value,
                                               props_def[name].schema,
                                               self.custom_def))
        return properties

    def get_properties(self):
        '''Return a dictionary of property name-object pairs.'''
        return {prop.name: prop
                for prop in self.get_properties_objects()}

    def get_property_value(self, name):
        '''Return the value of a given property name.'''
        props = self.get_properties()
        if props and name in props:
            return props[name].value