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Local Python installer
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| #!/bin/bash | |
| # This script installs a Python environment built from source. | |
| # Usage: | |
| # URL='https://gist.githubusercontent.com/odashi/...copy-paste raw path.../install_local_python.sh' | |
| # bash <(curl -sL ${URL}) ./env 3.10.14 64 | |
| set -eu -o pipefail | |
| if [ $# -ne 3 ]; then | |
| >&2 echo "Usage: install_local_python.sh INSTALL_DIR MAJOR.MINOR.PATCH BUILD_THREADS" | |
| exit 1 | |
| fi | |
| INSTALL_DIR=$1; shift | |
| PYTHON_VERSION=$1; shift | |
| BUILD_THREADS=$1; shift | |
| if [ -e ${INSTALL_DIR} ]; then | |
| >&2 echo "${INSTALL_DIR} already exists." | |
| exit 1 | |
| fi | |
| mkdir -p ${INSTALL_DIR} | |
| pushd ${INSTALL_DIR} | |
| mkdir -p src | |
| pushd src | |
| # install Python | |
| git clone https://github.com/python/cpython -b v${PYTHON_VERSION} | |
| pushd cpython | |
| ./configure --prefix="${INSTALL_DIR}/python" --enable-optimizations | |
| make -j ${BUILD_THREADS} | |
| make install | |
| popd # cpython | |
| popd # src | |
| # prepare venv | |
| python/bin/python3 -m venv venv | |
| source venv/bin/activate | |
| python -m pip install --no-cache-dir -U pip | |
| popd # ${INSTALL_DIR} |
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