ray/ci/env/install-minimal.sh

#!/usr/bin/env bash

# Python version can be specified as 3.7, 3.8, 3.9, etc..
if [ -z "$1" ]; then
    PYTHON_VERSION=${PYTHON-3.7}
else
    if [ "$1" = "3.6" ]; then
        PYTHON_VERSION=${PYTHON-3.6}
    elif [ "$1" = "3.7" ]; then
        PYTHON_VERSION=${PYTHON-3.7}
    elif [ "$1" = "3.8" ]; then
        PYTHON_VERSION=${PYTHON-3.8}
    elif [ "$1" = "3.9" ]; then
        PYTHON_VERSION=${PYTHON-3.9}
    else
        echo "Unsupported Python version."
        exit 1
    fi
fi
echo "Python version is ${PYTHON_VERSION}"


ROOT_DIR=$(cd "$(dirname "$0")/$(dirname "$(test -L "$0" && readlink "$0" || echo "/")")" || exit; pwd)
WORKSPACE_DIR="${ROOT_DIR}/../.."

# Installs conda and python 3.7
MINIMAL_INSTALL=1 PYTHON=${PYTHON_VERSION} "${WORKSPACE_DIR}/ci/env/install-dependencies.sh"

# Re-install Ray wheels
rm -rf "${WORKSPACE_DIR}/python/ray/thirdparty_files"
rm -rf "${WORKSPACE_DIR}/python/ray/pickle5_files"
eval "${WORKSPACE_DIR}/ci/ci.sh build"

# Install test requirements
python -m pip install -U \
  pytest==5.4.3 \
  numpy