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function activate_venv {
# check if virtualenv is set up
if [ -d "${workdir}/venv" ]; then
if [ "Windows_NT" = "$OS" ]; then
# Need to quote the path on Windows to preserve the separator.
. "${workdir}/venv/Scripts/activate" 2> /tmp/activate_error.log
else
. ${workdir}/venv/bin/activate 2> /tmp/activate_error.log
fi
if [ $? -ne 0 ]; then
echo "Failed to activate virtualenv: $(cat /tmp/activate_error.log)"
exit 1
fi
python=python
else
if [ -z "$python" ]; then
echo "\$python is unset. This should never happen"
exit 1
fi
python=${python}
fi
if [ "Windows_NT" = "$OS" ]; then
export PYTHONPATH="$PYTHONPATH;$(cygpath -w ${workdir}/src)"
elif [ "$(uname)" = "Darwin" ]; then
#SERVER-75626 After activating the virtual environment under the mocos host. the PYTHONPATH setting
#is incorrect, and the site-packages directory of the virtual environment cannot be found in the sys.path.
python_version=$($python -c 'import sys; print(f"{sys.version_info.major}.{sys.version_info.minor}")')
export PYTHONPATH="${workdir}/venv/lib/python${python_version}/site-packages:${PYTHONPATH}:${workdir}/src"
else
python_version=$($python -c 'import sys; print(f"{sys.version_info.major}.{sys.version_info.minor}")')
site_packages="${workdir}/venv/lib/python${python_version}/site-packages"
python -c "import sys; print(sys.path)"
# Check if site_packages is already in sys.path
in_sys_path=$($python -c "import sys; print('$site_packages' in sys.path)")
if [ "$in_sys_path" = "False" ]; then
export PYTHONPATH="${site_packages}:${PYTHONPATH}:${workdir}/src"
else
export PYTHONPATH="$PYTHONPATH:${workdir}/src"
fi
python -c "import sys; print(sys.path)"
fi
echo "python set to $(which $python)"
}
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