#!/usr/bin/env bash set -e [ -n "$PYENV_DEBUG" ] && set -x print_set_version() { echo " should be a string matching a Python version known by pyenv." local versions="$(pyenv-versions --bare)" if [ -z "$versions" ]; then echo "There are currently no Python versions installed for pyenv." else echo "The currently installed Python versions are:" echo "$versions" | sed 's/^/ /' fi echo echo "The special version string 'system' will use your default system Python" } case "$1" in "") echo "usage: pyenv [] Some useful pyenv commands are: commands List all pyenv commands rehash Rehash pyenv shims (run this after installing binaries) global Set or show the global Python version local Set or show the local directory-specific Python version shell Set or show the shell-specific Python version version Show the current Python version versions List all Python versions known by pyenv which Show the full path for the given Python command whence List all Python versions with the given command See 'pyenv help ' for information on a specific command. For full documentation, see: https://github.com/yyuu/pyenv#readme" ;; commands) echo "usage: pyenv commands pyenv commands --sh pyenv commands --no-sh List all pyenv commands." ;; global) echo "usage: pyenv global Sets the global Python version. You can override the global version at any time by setting a directory-specific version with \`pyenv local' or by setting the PYENV_VERSION environment variable. $(print_set_version)" ;; local) echo "usage: pyenv local pyenv local --unset Sets the local directory-specific Python version by writing the version name to a file named '.pyenv-version'. When you run a Python command, pyenv will look for an '.pyenv-version' file in the current directory and each parent directory. If no such file is found in the tree, pyenv will use the global Python version specified with \`pyenv global', or the version specified in the PYENV_VERSION environment variable. $(print_set_version)" ;; shell) echo "usage: pyenv shell pyenv shell --unset Sets a shell-specific Python version by setting the 'PYENV_VERSION' environment variable in your shell. This version overrides both project-specific versions and the global version. $(print_set_version)" ;; versions) echo "usage: pyenv versions pyenv versions --bare Lists all Python versions known by pyenv." ;; which) echo "usage: pyenv which Displays the full path to the binary that pyenv will execute when you run the given command." ;; whence) echo "usage: pyenv whence Lists all Python versions with the given command installed." ;; *) command_path="$(command -v "pyenv-$1" || true)" if [ -n "$command_path" ]; then echo "Sorry, the \`$1' command isn't documented yet." echo echo "You can view the command's source here:" echo "$command_path" echo else echo "pyenv: no such command \`$1'" fi esac