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test-python-oldest.sh
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test-python-oldest.sh
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#!/bin/bash
# oldest versions of dependencies published after
# minimum supported Python version's first release
#
# see https://devguide.python.org/versions/
#
echo "installing lightgbm's dependencies"
pip install \
'cffi==1.15.1' \
'dataclasses' \
'numpy==1.16.6' \
'pandas==0.24.0' \
'pyarrow==6.0.1' \
'scikit-learn==0.18.2' \
'scipy==0.19.0' \
|| exit -1
echo "done installing lightgbm's dependencies"
echo "installing lightgbm"
pip install --no-deps dist/*.whl || exit -1
echo "done installing lightgbm"
echo "installed package versions:"
pip freeze
echo ""
echo "checking that examples run without error"
# run a few examples to test that Python package minimally works
echo ""
echo "--- advanced_example.py ---"
echo ""
python ./examples/python-guide/advanced_example.py || exit -1
echo ""
echo "--- logistic_regression.py ---"
echo ""
python ./examples/python-guide/logistic_regression.py || exit -1
echo ""
echo "--- simple_example.py ---"
echo ""
python ./examples/python-guide/simple_example.py || exit -1
echo ""
echo "--- sklearn_example.py ---"
echo ""
python ./examples/python-guide/sklearn_example.py || exit -1
echo ""
echo "done testing on oldest supported Python version"