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Allow multiple versions for pyenv-install
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@rockandska
rockandska committed Dec 22, 2022
1 parent ff93c58 commit 31f3720
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276 changes: 139 additions & 137 deletions plugins/python-build/bin/pyenv-install
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
#
# Summary: Install a Python version using python-build
#
# Usage: pyenv install [-f] [-kvp] <version>
# Usage: pyenv install [-f] [-kvp] <version>...
# pyenv install [-f] [-kvp] <definition-file>
# pyenv install -l|--list
# pyenv install --version
Expand Down Expand Up @@ -113,17 +113,15 @@ for option in "${OPTIONS[@]}"; do
esac
done

[ "${#ARGUMENTS[@]}" -le 1 ] || usage 1 >&2

unset VERSION_NAME

# The first argument contains the definition to install. If the
# argument is missing, try to install whatever local app-specific
# version is specified by pyenv. Show usage instructions if a local
# version is not specified.
DEFINITION="${ARGUMENTS[0]}"
[ -n "$DEFINITION" ] || DEFINITION="$(pyenv-local 2>/dev/null || true)"
[ -n "$DEFINITION" ] || usage 1 >&2
DEFINITIONS=("${ARGUMENTS[@]}")
[ -n "${DEFINITIONS[*]}" ] || DEFINITIONS=($(pyenv-local 2>/dev/null || true))
[ -n "${DEFINITIONS[*]}" ] || usage 1 >&2

# Define `before_install` and `after_install` functions that allow
# plugin hooks to register a string of code for execution before or
Expand All @@ -140,150 +138,154 @@ after_install() {
after_hooks["${#after_hooks[@]}"]="$hook"
}

# Plan cleanup on unsuccessful installation.
cleanup() {
[ -z "${PREFIX_EXISTS}" ] && rm -rf "$PREFIX"
}

trap cleanup SIGINT


OLDIFS="$IFS"
IFS=$'\n' scripts=(`pyenv-hooks install`)
IFS="$OLDIFS"
for script in "${scripts[@]}"; do source "$script"; done

# Try to resolve a prefix if user indeed gave a prefix.
# We install the version under the resolved name
# and hooks also see the resolved name
DEFINITION="$(pyenv-latest -q -k "$DEFINITION" || echo "$DEFINITION")"

# Set VERSION_NAME from $DEFINITION, if it is not already set. Then
# compute the installation prefix.
[ -n "$VERSION_NAME" ] || VERSION_NAME="${DEFINITION##*/}"
[ -n "$DEBUG" ] && VERSION_NAME="${VERSION_NAME}-debug"
PREFIX="${PYENV_ROOT}/versions/${VERSION_NAME}"

[ -d "${PREFIX}" ] && PREFIX_EXISTS=1

# If the installation prefix exists, prompt for confirmation unless
# the --force option was specified.
if [ -d "${PREFIX}/bin" ]; then
if [ -z "$FORCE" ] && [ -z "$SKIP_EXISTING" ]; then
echo "pyenv: $PREFIX already exists" >&2
read -p "continue with installation? (y/N) "

case "$REPLY" in
y | Y | yes | YES ) ;;
* ) exit 1 ;;
esac
elif [ -n "$SKIP_EXISTING" ]; then
# Since we know the python version is already installed, and are opting to
# not force installation of existing versions, we just `exit 0` here to
# leave things happy
exit 0
for DEFINITION in "${DEFINITIONS[@]}";do
# Try to resolve a prefix if user indeed gave a prefix.
# We install the version under the resolved name
# and hooks also see the resolved name
DEFINITION="$(pyenv-latest -q -k "$DEFINITION" || echo "$DEFINITION")"

# Set VERSION_NAME from $DEFINITION. Then compute the installation prefix.
VERSION_NAME="${DEFINITION##*/}"
[ -n "$DEBUG" ] && VERSION_NAME="${VERSION_NAME}-debug"
PREFIX="${PYENV_ROOT}/versions/${VERSION_NAME}"

[ -d "${PREFIX}" ] && PREFIX_EXISTS=1

# If the installation prefix exists, prompt for confirmation unless
# the --force option was specified.
if [ -d "${PREFIX}/bin" ]; then
if [ -z "$FORCE" ] && [ -z "$SKIP_EXISTING" ]; then
echo "pyenv: $PREFIX already exists" >&2
read -p "continue with installation? (y/N) "

case "$REPLY" in
y | Y | yes | YES ) ;;
* ) exit 1 ;;
esac
elif [ -n "$SKIP_EXISTING" ]; then
# Since we know the python version is already installed, and are opting to
# not force installation of existing versions, we just `exit 0` here to
# leave things happy
continue
fi
fi
fi

# If PYENV_BUILD_ROOT is set, always pass keep options to python-build.
if [ -n "${PYENV_BUILD_ROOT}" ]; then
export PYTHON_BUILD_BUILD_PATH="${PYENV_BUILD_ROOT}/${VERSION_NAME}"
KEEP="-k"
fi
# If PYENV_BUILD_ROOT is set, always pass keep options to python-build.
if [ -n "${PYENV_BUILD_ROOT}" ]; then
export PYTHON_BUILD_BUILD_PATH="${PYENV_BUILD_ROOT}/${VERSION_NAME}"
KEEP="-k"
fi

# Set PYTHON_BUILD_CACHE_PATH to $PYENV_ROOT/cache, if the directory
# exists and the variable is not already set.
if [ -z "${PYTHON_BUILD_CACHE_PATH}" ] && [ -d "${PYENV_ROOT}/cache" ]; then
export PYTHON_BUILD_CACHE_PATH="${PYENV_ROOT}/cache"
fi
# Set PYTHON_BUILD_CACHE_PATH to $PYENV_ROOT/cache, if the directory
# exists and the variable is not already set.
if [ -z "${PYTHON_BUILD_CACHE_PATH}" ] && [ -d "${PYENV_ROOT}/cache" ]; then
export PYTHON_BUILD_CACHE_PATH="${PYENV_ROOT}/cache"
fi

if [ -z "${PYENV_BOOTSTRAP_VERSION}" ]; then
case "${VERSION_NAME}" in
[23]"."* )
# Default PYENV_VERSION to the friendly Python version. (The
# CPython installer requires an existing Python installation to run. An
# unsatisfied local .python-version file can cause the installer to
# fail.)
for version_info in "${VERSION_NAME%-dev}" "${VERSION_NAME%.*}" "${VERSION_NAME%%.*}"; do
# Anaconda's `curl` doesn't work on platform where `/etc/pki/tls/certs/ca-bundle.crt` isn't available (e.g. Debian)
for version in $(pyenv-whence "python${version_info}" 2>/dev/null || true); do
if [[ "${version}" != "anaconda"* ]] && [[ "${version}" != "miniconda"* ]]; then
PYENV_BOOTSTRAP_VERSION="${version}"
break 2
fi
done
done
;;
"pypy"*"-dev" | "pypy"*"-src" )
# PyPy/PyPy3 requires existing Python 2.7 to build
if [ -n "${PYENV_RPYTHON_VERSION}" ]; then
PYENV_BOOTSTRAP_VERSION="${PYENV_RPYTHON_VERSION}"
else
for version in $(pyenv-versions --bare | sort -r); do
if [[ "${version}" == "2.7"* ]]; then
PYENV_BOOTSTRAP_VERSION="$version"
break
fi
if [ -z "${PYENV_BOOTSTRAP_VERSION}" ]; then
case "${VERSION_NAME}" in
[23]"."* )
# Default PYENV_VERSION to the friendly Python version. (The
# CPython installer requires an existing Python installation to run. An
# unsatisfied local .python-version file can cause the installer to
# fail.)
for version_info in "${VERSION_NAME%-dev}" "${VERSION_NAME%.*}" "${VERSION_NAME%%.*}"; do
# Anaconda's `curl` doesn't work on platform where `/etc/pki/tls/certs/ca-bundle.crt` isn't available (e.g. Debian)
for version in $(pyenv-whence "python${version_info}" 2>/dev/null || true); do
if [[ "${version}" != "anaconda"* ]] && [[ "${version}" != "miniconda"* ]]; then
PYENV_BOOTSTRAP_VERSION="${version}"
break 2
fi
done
done
fi
if [ -n "$PYENV_BOOTSTRAP_VERSION" ]; then
for dep in pycparser; do
if ! PYENV_VERSION="$PYENV_BOOTSTRAP_VERSION" pyenv-exec python -c "import ${dep}" 1>/dev/null 2>&1; then
echo "pyenv-install: $VERSION_NAME: PyPy requires \`${dep}' in $PYENV_BOOTSTRAP_VERSION to build from source." >&2
exit 1
fi
done
else
echo "pyenv-install: $VERSION_NAME: PyPy requires Python 2.7 to build from source." >&2
exit 1
fi
;;
esac
fi

if [ -n "${PYENV_BOOTSTRAP_VERSION}" ]; then
export PYENV_VERSION="${PYENV_BOOTSTRAP_VERSION}"
fi

# Execute `before_install` hooks.
for hook in "${before_hooks[@]}"; do eval "$hook"; done

# Plan cleanup on unsuccessful installation.
cleanup() {
[ -z "${PREFIX_EXISTS}" ] && rm -rf "$PREFIX"
}

trap cleanup SIGINT
;;
"pypy"*"-dev" | "pypy"*"-src" )
# PyPy/PyPy3 requires existing Python 2.7 to build
if [ -n "${PYENV_RPYTHON_VERSION}" ]; then
PYENV_BOOTSTRAP_VERSION="${PYENV_RPYTHON_VERSION}"
else
for version in $(pyenv-versions --bare | sort -r); do
if [[ "${version}" == "2.7"* ]]; then
PYENV_BOOTSTRAP_VERSION="$version"
break
fi
done
fi
if [ -n "$PYENV_BOOTSTRAP_VERSION" ]; then
for dep in pycparser; do
if ! PYENV_VERSION="$PYENV_BOOTSTRAP_VERSION" pyenv-exec python -c "import ${dep}" 1>/dev/null 2>&1; then
echo "pyenv-install: $VERSION_NAME: PyPy requires \`${dep}' in $PYENV_BOOTSTRAP_VERSION to build from source." >&2
exit 1
fi
done
else
echo "pyenv-install: $VERSION_NAME: PyPy requires Python 2.7 to build from source." >&2
exit 1
fi
;;
esac
fi

# Invoke `python-build` and record the exit status in $STATUS.
STATUS=0
python-build $KEEP $VERBOSE $HAS_PATCH $DEBUG "$DEFINITION" "$PREFIX" || STATUS="$?"
if [ -n "${PYENV_BOOTSTRAP_VERSION}" ]; then
export PYENV_VERSION="${PYENV_BOOTSTRAP_VERSION}"
fi

# Display a more helpful message if the definition wasn't found.
if [ "$STATUS" == "2" ]; then
{ candidates="$(definitions "$DEFINITION")"
here="$(dirname "${0%/*}")/../.."
if [ -n "$candidates" ]; then
# Execute `before_install` hooks.
for hook in "${before_hooks[@]}"; do eval "$hook"; done

# Invoke `python-build` and record the exit status in $STATUS.
STATUS=0
python-build $KEEP $VERBOSE $HAS_PATCH $DEBUG "$DEFINITION" "$PREFIX" || STATUS="$?"

# Display a more helpful message if the definition wasn't found.
if [ "$STATUS" == "2" ]; then
{ candidates="$(definitions "$DEFINITION")"
here="$(dirname "${0%/*}")/../.."
if [ -n "$candidates" ]; then
echo
echo "The following versions contain \`$DEFINITION' in the name:"
echo "$candidates" | indent
fi
echo
echo "The following versions contain \`$DEFINITION' in the name:"
echo "$candidates" | indent
fi
echo
echo "See all available versions with \`pyenv install --list'."
echo
echo -n "If the version you need is missing, try upgrading pyenv"
if [ "$here" != "${here#$(brew --prefix 2>/dev/null)}" ]; then
printf ":\n\n"
echo " brew update && brew upgrade pyenv"
elif [ -d "${here}/.git" ]; then
printf ":\n\n"
echo " cd ${here} && git pull && cd -"
else
printf ".\n"
fi
} >&2
fi
echo "See all available versions with \`pyenv install --list'."
echo
echo -n "If the version you need is missing, try upgrading pyenv"
if [ "$here" != "${here#$(brew --prefix 2>/dev/null)}" ]; then
printf ":\n\n"
echo " brew update && brew upgrade pyenv"
elif [ -d "${here}/.git" ]; then
printf ":\n\n"
echo " cd ${here} && git pull && cd -"
else
printf ".\n"
fi
} >&2
fi

# Execute `after_install` hooks.
for hook in "${after_hooks[@]}"; do eval "$hook"; done
# Execute `after_install` hooks.
for hook in "${after_hooks[@]}"; do eval "$hook"; done

# Run `pyenv-rehash` after a successful installation.
if [ "$STATUS" == "0" ]; then
pyenv-rehash
else
cleanup
fi
# Run `pyenv-rehash` after a successful installation.
if [ "$STATUS" == "0" ]; then
pyenv-rehash
else
break
cleanup
fi

done

exit "$STATUS"
exit "${STATUS:-0}"
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