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Re: Old generated binary dependencies after renaming psycopg

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On Tue, 2023-01-17 at 09:20 +0000, Julian Gilbey wrote:
> On Tue, Jan 17, 2023 at 09:08:01AM +0100, Tomasz Rybak wrote:
> > Hello.
> > After fixing #1016031 "psycopg3: binary package name should be python3-
> > psycopg"
> > (I renamed package names, full changes:
> > * python3-psycopg3 -> python3-psycopg
> > * python3-psycopg3-pool -> python3-psycopg-pool
> > * python-psycopg3-doc -> python3-psycopg-doc)
> > I tried to rebuild reverse dependencies,
> > i.e. pgcli and python3-pgspecial.
> > Rebuild went without problems, new packages are the same
> > as old ones, but their binary packages still depend on python3-
> > psycopg3,
> > even though they build-depend on python3-psycopg.
> 
> Nope, pgcli does not build-depend on it, rather it explicitly
> specifies Depends: python3-psycopg3.  Likewise, python-pgspecial
> specifies the same Depends (though it also has a Build-Depends:
> python3-psycopg3).  These packages will need their dependencies
> updating.  (You might also consider making python3-psycopg Provides:
> python3-psycopg3 and likewise for the other two binary packages for
> bookworm.)
> 

No, this is not the problem.
I checked (rebuilt packages with) different variants - with and
without python3-psycopg[3] as explicit dependency. In all the cases
dependency for python3-psycopg3 comes from ${python3:Depends}
via  pgcli/debian/pgcli.substvars which contains
python3:Depends=python3-cli-helpers, python3-click, python3-configobj,
python3-pendulum, python3-pgspecial, python3-prompt-toolkit, python3-
psycopg3, python3-pygments, python3-setproctitle, python3-sqlparse (>=
0.3), python3:any.

When python3-psycopg is in Depends in debian/control, it just gets
added - so binary package's Depends contains it twice (once
python3-psycopg3 from ${python3:Depends, once python3-psycopg
mentioned explicitly; in case of pgcli the second one is versioned).

Sample line from control file for pgcli, which contains both
python3-psycopg and python3-psycopg3:
Depends: python3-cli-helpers, python3-pendulum, python3-pgspecial (>=
2), python3-pkg-resources, python3-prompt-toolkit (>= 3.0), python3-
psycopg (>= 3.0.14), python3-sqlparse (>= 0.3), python3-tabulate,
python3-terminaltables, python3-click, python3-configobj, python3-
psycopg3, python3-pygments, python3-setproctitle, python3:any

I tried to analyze dh_python3, but could not understand where exactly
fills it in list of (additional) dependencies. They are generated
somewhere between dh_python3, dhpython/pydist.py,
and dhpython/depends.py (all files belong to package dh-python
and are in /usr/share/dh-python).

So - any tips how to fix it would be really helpful.

Best regards.

-- 
Tomasz Rybak, Debian Developer <serpent@debian.org>
GPG: A565 CE64 F866 A258 4DDC F9C7 ECB7 3E37 E887 AA8C

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Thread

Old generated binary dependencies after renaming psycopg Tomasz Rybak <serpent@debian.org> - 2023-01-17 09:30 +0100
  Re: Old generated binary dependencies after renaming psycopg Julian Gilbey <julian@d-and-j.net> - 2023-01-17 10:40 +0100
    Re: Old generated binary dependencies after renaming psycopg Tomasz Rybak <serpent@debian.org> - 2023-01-18 00:20 +0100
      Re: Old generated binary dependencies after renaming psycopg Scott Kitterman <debian@kitterman.com> - 2023-01-18 00:50 +0100
        Re: Old generated binary dependencies after renaming psycopg Tomasz Rybak <serpent@debian.org> - 2023-01-30 22:50 +0100

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