filter needs to ancestors/descendants

[danieleades]

I'd like to produce a needflow that contains only ancestors or descendants of a given need. Is there an easy way to do this?

To be clear, I want to include all ancestors and descendants, not just immediate ones

[vpoughonEZ]

Relevant to my other post #615. But beware it is quite inefficient.

[danieleades]

@danwos is there a convenient way to at least get the immediate parents or children of a need?

[danwos]

I'm afraid not. You only have the IDs in the different link-options and you need to look them up by your own.
So, huge room for improvement...

[danieleades]

in the case, what are the 'links' and 'links_back' attributes used for in a filter string?

in my case, I have a number of 'work packages' which each deliver multiple requirements. On the page for each work package I'd like to show a needflow which shows all the requirements linking to it. Is that possible?

i've tried something like

.. needflow::
    :filter: "WP-1" in links_back

or

.. needflow::
    :filter: "WP-1" in links

how is this supposed to be used?

[danieleades]

never mind, figured it out

[danieleades]

i made a proof of concept extension that builds a directed graph of 'nodes' - https://github.com/danieleades/sphinx-graph

it doesn't do anything with them right now, but i'm pretty happy with the approach. If there's anything useful in there that can be ported into sphinx-needs, be my guest!