vFW and vDNS support added to azure-plugin

[multicloud/azure.git] / azure / aria / aria-extension-cloudify / src / aria / aria / parser / presentation / context.py

diff --git a/azure/aria/aria-extension-cloudify/src/aria/aria/parser/presentation/context.py b/azure/aria/aria-extension-cloudify/src/aria/aria/parser/presentation/context.py
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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 .source import DefaultPresenterSource
+
+
+class PresentationContext(object):
+    """
+    Presentation context.
+
+    :ivar presenter: the generated presenter instance
+    :vartype presenter: ~aria.parser.presentation.Presenter
+    :ivar location: from where we will generate the presenter
+    :vartype location: ~aria.parser.loading.Location
+    :ivar presenter_source: for finding presenter classes
+    :vartype presenter_source: ~aria.parser.presentation.PresenterSource
+    :ivar presenter_class: overrides ``presenter_source`` with a specific class
+    :vartype presenter_class: type
+    :ivar import_profile: whether to import the profile by default (defaults to ``True``)
+    :vartype import_profile: bool
+    :ivar threads: number of threads to use when reading data
+    :vartype threads: int
+    :ivar timeout: timeout in seconds for loading data
+    :vartype timeout: float
+    :ivar print_exceptions: whether to print exceptions while reading data
+    :vartype print_exceptions: bool
+    """
+
+    def __init__(self):
+        self.presenter = None
+        self.location = None
+        self.presenter_source = DefaultPresenterSource()
+        self.presenter_class = None  # overrides
+        self.import_profile = True
+        self.threads = 8  # reasonable default for networking multithreading
+        self.timeout = 10  # in seconds
+        self.print_exceptions = False
+
+    def get(self, *names):
+        """
+        Gets attributes recursively from the presenter.
+        """
+
+        return self.presenter._get(*names) if self.presenter is not None else None
+
+    def get_from_dict(self, *names):
+        """
+        Gets attributes recursively from the presenter, except for the last name which is used
+        to get a value from the last dict.
+        """
+
+        return self.presenter._get_from_dict(*names) if self.presenter is not None else None