Docker Build Fails to Install SciPy about lightfm

[maciejkula]

Did you use the Dockerfile included in the lightfm repo? Your image needs
to have blas/lapack installed.

On 15 Jul 2016 01:41, "Sean M. Law, Ph.D." [email protected] wrote:

docker-compose build lightfm

Produces this on my Mac OS X:

File "/usr/lib/python2.7/dist-packages/numpy/distutils/misc_util.py", line 966, in add_subpackage caller_level = 2)
File "/usr/lib/python2.7/dist-packages/numpy/distutils/misc_util.py", line 935, in get_subpackage caller_level = caller_level + 1)
File "/usr/lib/python2.7/dist-packages/numpy/distutils/misc_util.py", line 872, in _get_configuration_from_setup_py
config = setup_module.configuration(*args)
File "scipy/linalg/setup.py", line 20, in configuration
raise NotFoundError('no lapack/blas resources found')
numpy.distutils.system_info.NotFoundError: no lapack/blas resources found

---

Can't roll back scipy; was not uninstalled
Cleaning up...
Command /usr/bin/python -c "import setuptools, tokenize;file='/tmp/pip-build-XnyZzK/scipy/setup.py';exec(compile(getattr(tokenize, 'open', open)(file).read().replace('\r\n', '\n'), file, 'exec'))" install --record /tmp/pip-cBi7ka-record/install-record.txt --single-version-externally-managed --compile failed with error code 1 in /tmp/pip-build-XnyZzK/scipy

Storing debug log for failure in /root/.pip/pip.log
ERROR: Service 'lightfm' failed to build: The command '/bin/sh -c pip
install .' returned a non-zero code: 1

I'm new to Docker but see that it is SciPy complaining about missing
lapack/blas

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[seanlaw]

Yeah, I just used the plain default image from Docker and then built lightfm using the provided Dockerfile. I added this line to the Dockerfile:

RUN apt-get install -y libopenblas-dev gfortran

And the install succeeded (though, with a lot of warnings). Should this line be added to the repo? Otherwise, the Docs won't reflect something that runs properly.

[maciejkula]

OK, do you think you could make a PR with the fix?

On 15 Jul 2016 12:55, "Sean M. Law, Ph.D." [email protected] wrote:

Yeah, I just used the plain default image from Docker and then built
lightfm using the provided Dockerfile. I added this line to the Dockerfile:

RUN apt-get install -y libopenblas-dev gfortran

And the install succeeded. Should this be added to the repo? Otherwise,
the Docs won't reflect something that runs properly.

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