Re: Help needed with dh_python2 and dh_python3

[Michael Wild <themiwi@gmail.com>]

On 07/24/2012 12:12 PM, Stefano Rivera wrote:
> Hi Michael (2012.07.24_10:15:51_+0200)
>> I have a package that installs a few Python scripts and utility modules
>> which are compatible with both, python2 and python3. The build system
>> does not use distutils, it just copies the files into
>> /usr/share/pyshared/<module>/.
> 
> That's probably not ideal. pyshared is almost an internal implementation
> detail of dh_python2 (although, one that's documented in the Python
> Policy [0]). Upstream build systems should not be installing there. They
> should install into the usual dist-packages directories, and dh_python2
> will de-duplicate between python versions.

My misunderstanding, obviously. Simple to fix, as I actually forced the
build system to install there ;-)

> 
> dh_python2 supports .pyinstall files, to achieve the same thing.
> 
> [0]: http://www.debian.org/doc/packaging-manuals/python-policy/ch-python.html#s-paths
> 
> As to installing for python3, you should install to
> /usr/lib/python3/dist-packages in that binary package.
> 
>> Now, I figured it would be as easy as
>>
>> * adding a build-dependency on python and python3
>> * adding X-Python-Versino and X-Python3-Version tags
>> * adding ${python:Depends} and ${python3:Depends} to the respective
>>   binary packages dependencies
>> * invoking the dh sequencer with the option --with=python2,python3
> 
> You also need to make sure the python modules go into the python-
> package, and the python3 modules go into the python3- package.
> 
> With distutils, this means overriding dh_auto_*.
> 
>> Anybody got a clue as to what I'm doing wrong here? Do I need to add an
>> extra binary python3-foo package?
> 
> Yes.
> 
> SR
> 

Stefano, Vincent: thanks for the hints.

Michael