Cannot install Scipy in FreeBSD 13 with Python 3.10

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I am trying install scipy in FreeBSD 13. I have built python 3.10 on FreebSD 13 and managed to install pandas, matplotlib and numpy on a virtual environment which has python 3.10. However, when I try to install sklearn or scipy I get an error saying scipy could not be installed. Here it is below for when doing pip install scipy. I get the same error more or less when trying to install sklearn.

ERROR: Failed building wheel for scipy
  Failed to build scipy
  ERROR: Could not build wheels for scipy, which is required to install pyproject.toml-based projects
Command errored out with exit status 1: /home/schroter/.pymain/dataViz/bin/python3 /tmp/pip-standalone-pip-d3nnvp2f/__env_pip__.zip/pip install --ignore-installed --no-user --prefix /tmp/pip-build-env-xp_669rf/overlay --no-warn-script-location --no-binary :none: --only-binary :none: -i https://pypi.org/simple -- setuptools wheel 'Cython>=0.28.5' 'oldest-supported-numpy; python_version!='"'"'3.7'"'"' or platform_machine=='"'"'aarch64'"'"' or platform_system=='"'"'AIX'"'"' or platform_python_implementation == '"'"'PyPy'"'"'' 'numpy==1.14.6; python_version=='"'"'3.7'"'"' and platform_machine!='"'"'aarch64'"'"' and platform_system!='"'"'AIX'"'"' and platform_python_implementation != '"'"'PyPy'"'"'' 'scipy>=1.1.0' Check the logs for full command output.

My pip list is as below:

(dataViz) schroter@SCHROTER:~ % pip list
Package          Version
---------------- -------
cycler           0.11.0
kiwisolver       1.1.0
matplotlib       3.4.3
numpy            1.21.4
pandas           1.3.4
Pillow           8.4.0
pip              21.3.1
pyparsing        3.0.6
python-dateutil  2.8.2
pytz             2021.3
semantic-version 2.8.5
setuptools       58.5.3
setuptools-rust  0.12.1
six              1.16.0
toml             0.10.2
wheel            0.37.0

Would anyone be able to help me in this regards please? Thanks & Best Regards Schroter

python-3.10 scikit-learn scipy freebsd
2 Answers

Reuse system package

# install system-wide version in site-packages
doas pkg install py38-scipy-1.8.0
# create a virtualenv with site-packages included
python -m venv --system-site-packages .venv

Drawback is you'll get all packages from site-packages, however you can tackle that by

doas pkg install py38-scipy-1.8.0
python -m venv .venv

YOUR_PYTHON_VERSION= SET IT HERE
ln -s $(python -c 'import lxml, os.path; print(os.path.dirname(lxml.__file__)') ./.venv/lib/$YOUR_PYTHON_VERSION/site-packages

borrowed from https://stackoverflow.com/a/13719417

Regular Installation (TODO)

Haven't figured out it yet, but maybe someone else will, so putting here 2 links which might be helpful

  1. https://forums.freebsd.org/threads/python-scipy-with-python3-x-on-freebsd-11.59009/
  2. https://reviews.freebsd.org/D23447
user_7400670

Have you tried to install scipy from freebsd ports? The freebsd ports contain patches to make the code compile on FreeBSD.

user_7924560
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