Cleanup `MappingNode` key/values/items accessor (!1426) · Merge requests · BuildStream / buildstream · GitLab

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Benjamin Schubert requested to merge bschubert/node-api-keys into bschubert/new-node-api Jun 26, 2019

Description

This removes node_items, and node_keys from the yaml API and replaces it by

MappingNode.keys()
MappingNode.values()
MappingNode.items()

which follow dict semantics