Github user dankilman commented on a diff in the pull request: https://github.com/apache/incubator-ariatosca/pull/20#discussion_r88024702 --- Diff: aria/context/toolbelt.py --- @@ -13,79 +13,67 @@ # See the License for the specific language governing permissions and # limitations under the License. """ -provides with different tools when working with the operation. +Provides with different tools for operations. """ -from contextlib import contextmanager - -from .. import exceptions from . import operation -class _BaseToolbelt(object): +class NodeToolBelt(object): """ - Base tool belt + Node operation related tool belt """ - def __init__(self): - self._op_context = None - self._workflow_context = None - - @contextmanager - def use(self, operation_context): - """ - Context manager which switches the current toolbelt with the supplied ctx - :param operation_context: - :return: - """ - assert isinstance(operation_context, operation.BaseOperationContext) - _op_context = self._op_context - _workflow_context = self._workflow_context - + def __init__(self, operation_context): self._op_context = operation_context - self._workflow_context = operation_context._workflow_context - try: - yield self - finally: - self._op_context = _op_context - self._workflow_context = _workflow_context - -class _NodeToolBelt(_BaseToolbelt): - """ - Node operation related tool belt - """ @property def relationships_to_me(self): """ Any relationship which the current node is the target of :return: """ assert isinstance(self._op_context, operation.NodeOperationContext) - for node_instance in self._workflow_context.node_instances: + node_instances = self._op_context.model.node_instance.iter( --- End diff -- remove
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