FunTuple - API changes and simplification of Python helper modules

Hi @amathad, I'm making a simplification here to avoid a packing-unpacking in what is anyway an internal function.

While at it I suggest the renaming tree_name -> tuple_name as I really hope we will move from TTree to RNTuple at some point. I realise this breaks the API and requires updates in DaVinci, but I would rather do it now than 2 months down the line. What do you think?

More details on the API changes in the related DaVinci MR DaVinci!652 (merged).

requested review from @amathad and @pkoppenb

assigned to @erodrigu

added DPA-WP3 Tuples labels

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• d454102c - Tiny extra doc fix

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changed title from Simplify FunTuple Python modules to Simplify FunTuple Python helper modules

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As discussed today, this sounds good to me. Indeed all examples in DV aswell as a change in FunTuple here is needed.

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• ffdc27b8 - Replace tree_name -> tuple_name throughought

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mentioned in merge request DaVinci!637 (merged)

approved this merge request

/ci-test --merge

(or does this require some DaVinci MR?)

resolved all threads

added ci-test-triggered label

• [2022-02-04 11:26] Validation started with lhcb-master-mr#3623
• [2022-02-10 08:18] Validation started with lhcb-master-mr#3678
• [2022-02-10 11:39] Validation started with lhcb-master-mr#3680

marked this merge request as draft

changed title from Draft: Simplify FunTuple Python helper modules to Draft: FunTuple - API changes and simplification of Python helper modules

added 1 commit

• f2d6350e - Rename branch -> field having in mind RNTuple in the future!

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