Looks amazing, why don't we merge it. On Thu, Aug 27, 2015 at 3:24 PM Nate Coraor <n...@bx.psu.edu> wrote:
> On Tue, Aug 25, 2015 at 1:54 PM, Nate Coraor <n...@bx.psu.edu> wrote: > >> I've started down this road of Linux platform detection, here's the work >> so far: >> >> https://bitbucket.org/natefoo/wheel/src/tip/wheel/platform/linux.py >> >> I'm collecting distribution details here: >> >> https://gist.github.com/natefoo/814c5bf936922dad97ff >> >> One thing to note, although it's not used, I'm attempting to label a >> particular ABI as stable or unstable, so for example, Debian testing is >> unstable, whereas full releases are stable. Arch and Gentoo are always >> unstable, Ubuntu is always stable, etc. Hopefully this would be useful in >> making a decision about what wheels to allow into PyPI. >> >> --nate >> >> > Hi all, > > Platform detection and binary-compatibility.cfg support is now available > in my branch of pip[1]. I've also built a large number of psycopg2 wheels > for testing[2]. Here's what happens when you try to install one of them on > CentOS 7 using my pip: > > # pip install --index https://wheels.galaxyproject.org/ --no-cache-dir > psycopg2 > Collecting psycopg2 > Could not find a version that satisfies the requirement psycopg2 (from > versions: ) > No matching distribution found for psycopg2 > > Then create /etc/python/binary-compatibility.cfg: > > # cat /etc/python/binary-compatibility.cfg > { > "linux_x86_64_centos_7": { > "install": ["linux_x86_64_rhel_6"] > } > } > > # pip install --index https://wheels.galaxyproject.org/ --no-cache-dir > psycopg2 > Collecting psycopg2 > Downloading > https://wheels.galaxyproject.org/packages/psycopg2-2.6.1-cp27-cp27mu-linux_x86_64_rhel_6.whl > (307kB) > 100% |################################| 307kB 75.7MB/s > Installing collected packages: psycopg2 > Successfully installed psycopg2-2.6.1 > > Of course, I have not attempted to solve the external dependency problem: > > # python -c 'import psycopg2; print psycopg2' > Traceback (most recent call last): > File "<string>", line 1, in <module> > File "/usr/lib/python2.7/site-packages/psycopg2/__init__.py", line 50, > in <module> > from psycopg2._psycopg import BINARY, NUMBER, STRING, DATETIME, ROWID > ImportError: libpq.so.5: cannot open shared object file: No such file or > directory > > But after installing postgresql-libs, everything works as expected: > > # python -c 'import psycopg2; print psycopg2' > <module 'psycopg2' from > '/usr/lib/python2.7/site-packages/psycopg2/__init__.pyc'> > > This is an improvement over the current situation of an sdist in PyPI, > however, since only one non-default package (postgresql-libs) needs to be > installed as opposed to postgresql-devel and the build tools (gcc, make, > etc.). In addition, a user installing psycopg2 is likely to already have > postgresql-libs installed. > > I'd really appreciate if this work could be given a look, and some > discussion could take place on where to go from here. > > Thanks, > --nate > > > [1]: https://github.com/natefoo/pip/tree/linux-wheels > [2]: https://wheels.galaxyproject.org/simple/psycopg2 > _______________________________________________ > Distutils-SIG maillist - Distutils-SIG@python.org > https://mail.python.org/mailman/listinfo/distutils-sig >
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