Hi Ole,

On Tue, Apr 10, 2018 at 08:42:42AM +0200, Ole Streicher wrote:
> > I admit I would love to re-use it for tasks_diff - so if you could find
> > some temporary solution how I could somehow cleanly get Deb822List that
> > would help but it should be no real blocker.
> Deb822List is a special thing, since it should IMO not go to a
> (debian.)blends package, but to debian.deb822. What prevents me from
> writing a Merge Request on salsa is that the constructor should either
> take a (unicode resp. normal) string, a file-like object, or a list of
> deb822.Deb822 or dicts to be a universal class.
> For the moment, I would recommend just to cut&paste Deb822List from
> blends-gen-control.

OK, fine for me.

> However, tasks_diff may also benefit from a blends
> Python package, and it could make the handling much easier (no json), as
> if the blends package is in git with a standard tagging:
> * git worktree could check out the latest debian/<version> tag to some
>   temporary dir
> * one can create a blends.Blend object from that dir
> * one can create a blends.Blend object from the actual dir
> * compare them, write out, and you are done.

That's surely an option for the changelog creation.  But the json files
also enable creating statistics[1] using this script[2].  Its just a
hack and not documented (if I only had the time to do this) but just
parsing a set of json files is probably way more sensible than to do
your algorithm over and over again for all available tags.
> If you like, I could try that as next step; then I would however just
> create a "python3-blends" package (to not interfer with the
> python3-debian package).

May be a python3-blends package assembling (and documenting!) that kind
of tools (and put them on a solid technical base rather than hackish
scripts) would make sense.  But I think, sticking to the approach to
store the dependency data in some sensible way (not necessarily inside
the source package) is reasonable if you want to look quickly at
historic data.

Kind regards




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