mirror of
https://github.com/pyenv/pyenv-virtualenv.git
synced 2026-09-10 07:16:18 -04:00
145 lines
3.2 KiB
Bash
Executable file
145 lines
3.2 KiB
Bash
Executable file
#!/usr/bin/env bash
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#
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# Summary: List all Python virtualenvs found in `$PYENV_ROOT/versions/*'.
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# Usage: pyenv virtualenvs [--bare] [--skip-aliases] [--only-aliases]
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#
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# List all virtualenvs found in `$PYENV_ROOT/versions/*' and its `$PYENV_ROOT/versions/envs/*'.
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set -e
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[ -n "$PYENV_DEBUG" ] && set -x
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if [ -z "$PYENV_ROOT" ]; then
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PYENV_ROOT="${HOME}/.pyenv"
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fi
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unset bare
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unset skip_aliases
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# Provide pyenv completions
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for arg; do
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case "$arg" in
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--complete )
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echo --bare
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echo --skip-aliases
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echo --only-aliases
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exit ;;
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--bare ) bare=1 ;;
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--skip-aliases ) skip_aliases=1 ;;
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--only-aliases ) only_aliases=1 ;;
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* )
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pyenv-help --usage virtualenvs >&2
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exit 1
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;;
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esac
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done
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versions_dir="${PYENV_ROOT}/versions"
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if [[ ${BASH_VERSINFO[0]} -gt 3 ]]; then
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declare -A current_versions
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else
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current_versions=()
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fi
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if [ -n "$bare" ]; then
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include_system=""
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else
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hit_prefix="* "
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miss_prefix=" "
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OLDIFS="$IFS"
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IFS=:
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if [[ ${BASH_VERSINFO[0]} -gt 3 ]]; then
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for i in $(pyenv-version-name || true); do
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current_versions["$i"]="1"
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done
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else
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read -r -a current_versions <<< "$(pyenv-version-name || true)"
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fi
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IFS="$OLDIFS"
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include_system="1"
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fi
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num_versions=0
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exists() {
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local car="$1"
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local cdar
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shift
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for cdar in "$@"; do
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if [ "${car}" == "${cdar}" ]; then
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return 0
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fi
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done
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return 1
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}
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print_version() {
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local version="${1:?}"
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if [[ -n $bare ]]; then
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echo "$version"
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return
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fi
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local path="${2:?}"
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if [[ -L "$path" ]]; then
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# Only resolve the link itself for printing, do not resolve further.
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# Doing otherwise would misinform the user of what the link contains.
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version_repr="$version --> $(readlink "$path")"
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else
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version_repr="$version"
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fi
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if [[ ${BASH_VERSINFO[0]} -ge 4 && ${current_versions["$1"]} ]]; then
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echo "${hit_prefix}${version_repr} (set by $(pyenv-version-origin))"
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elif [[ ${BASH_VERSINFO[0]} -le 3 ]] && exists "$1" "${current_versions[@]}"; then
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echo "${hit_prefix}${version_repr} (set by $(pyenv-version-origin))"
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else
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echo "${miss_prefix}${version_repr}"
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fi
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num_versions=$((num_versions + 1))
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}
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shopt -s dotglob
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shopt -s nullglob
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version_dir_entries=("$versions_dir"/*)
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venv_dir_entries=("$versions_dir"/*/envs/*)
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if sort --version-sort </dev/null >/dev/null 2>&1; then
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# system sort supports version sorting
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OLDIFS="$IFS"
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IFS='||'
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read -r -a version_dir_entries <<< "$(
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printf "%s||" "${version_dir_entries[@]}" |
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sort --version-sort
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)"
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read -r -a venv_dir_entries <<< "$(
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printf "%s||" "${venv_dir_entries[@]}" |
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sort --version-sort
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)"
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IFS="$OLDIFS"
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fi
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if [ -z "$only_aliases" ]; then
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for env_path in "${venv_dir_entries[@]}"; do
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if [ -d "${env_path}" ]; then
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print_version "${env_path#"${PYENV_ROOT}"/versions/}" "${env_path}"
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fi
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done
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fi
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if [ -z "$skip_aliases" ]; then
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for env_path in "${version_dir_entries[@]}"; do
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if [ -d "${env_path}" ] && [ -L "${env_path}" ]; then
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print_version "${env_path#"${PYENV_ROOT}"/versions/}" "${env_path}"
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fi
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done
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fi
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shopt -u dotglob
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shopt -u nullglob
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if [ "$num_versions" -eq 0 ] && [ -n "$include_system" ]; then
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echo "Warning: no Python virtualenv detected on the system" >&2
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exit 1
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fi
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