[Pkg-utopia-maintainers] Bug#944949: dbus-python: needs an explicit build dependency on dh-python

[Matthias Klose]

On 17.11.19 20:53, Simon McVittie wrote:
> Control: tags 944949 + moreinfo
> 
> On Sun, 17 Nov 2019 at 19:07:39 +0000, Matthias Klose wrote:
>> Please add an explicit build dependency on dh-python.
> 
> As far as I can see it's been explicit since 2015. Is anything more
> needed here?
> 
> Note that the FTBFS with
> 
>     dh_python2
>     make[1]: dh_python2: Command not found
> 
> seems to be because /usr/bin/dh_python2 is a #!/usr/bin/python script in
> a package that doesn't depend on python (#944894). The misleading
> "Command not found" is similar to this:
> 
>     $ cat > Makefile
>     all:
>     	./script
>     $ cat > script
>     #!/usr/bin/does-not-exist
>     $ chmod +x script
>     $ make
>     ./script
>     make: ./script: Command not found
>     make: *** [Makefile:2: all] Error 127
> 
> I have a workaround which I believe should still be harmless after
> dh_python2 moves out of python2 (presumably into dh-python?), which I'll
> upload soon.
> 
> If that doesn't work, I'll temporarily re-add the python B-D so the
> python3.8 transition can go through, and remove it after #944894 is
> resolved.
> 
> It's unfortunate that the python3.8 transition, the effort to replace
> references to python2 with python, and the migration of dh_python2 from
> python2 to dh-python (?) are happening at the same time and affect
> overlapping sets of packages. Perhaps one (or more) of these could be
> deferred until one of the others has been done?

now closing. The dh_python2 now uses python2 as the shebang, until it gets
removed from python-defaults.