cubicweb-container #3892037 improve container graph walkthrough API [open]

I'd like to be able to walk through the structure of a container in an iterative manner where each node (i.e. entity type in the container structure) would hold at least the following information:

  • rdefs to its children
  • whether the node is strict or not (a strict node being an entity type which entities cannot live without the container because of the cardinality of structural relations)
  • a RQL snippet which could be used to reach the container

This API should be essence of the container cube (from client side). At least, this would make permissions setup significantly easier (see what's done in collaboration cube for instance).

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