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venv_python.sh
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venv_python.sh
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#!/bin/bash
if [ "$#" -le 0 ]; then
echo "Usage : ${0} python_script_to_execute.py"
exit 1
fi
SCRIPT_TO_EXECUTE=${1}
venv_preparation_failed () {
echo "Could not create the Virtual Environment. Exiting."
exit 1
}
pip_requirements_failed () {
echo "Could not install the dependencies correctly."
exit 1
}
select_python_venv () {
if [ ! -z "${VENV_PYTHON+x}" ]; then
echo "Using preset VENV_PYTHON variable : ${VENV_PYTHON}"
return
fi
local venv_dir=${1}
local linux_venv_python="${venv_dir}/bin/python"
local windows_venv_python="${venv_dir}/Scripts/python.exe"
if [ -f "${linux_venv_python}" ]; then
echo 'Using Linux-like Virtual Environment'
VENV_PYTHON="${linux_venv_python}"
elif [ -f "${windows_venv_python}" ]; then
echo 'Using Windows-like Virtual Environment'
VENV_PYTHON="${windows_venv_python}"
else
echo "${windows_venv_python}"
echo "Unsupported Virtual Environment. Exiting."
exit 1
fi
}
python -m venv venv || venv_preparation_failed
select_python_venv venv
"${VENV_PYTHON}" -m pip install -r requirements.txt || pip_requirements_failed
"${VENV_PYTHON}" "${SCRIPT_TO_EXECUTE}"