You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

174 lines
5.9 KiB

#
# Enables local Python package installation.
#
# Authors:
# Sorin Ionescu <sorin.ionescu@gmail.com>
# Sebastian Wiesner <lunaryorn@googlemail.com>
# Patrick Bos <egpbos@gmail.com>
# Indrajit Raychaudhuri <irc@indrajit.com>
#
#
# Options
#
setopt EXTENDED_GLOB
# Load dependencies.
pmodload 'helper'
# Load manually installed or package manager installed pyenv into the shell
# session.
if [[ -s "${local_pyenv::=${PYENV_ROOT:-$HOME/.pyenv}/bin/pyenv}" ]] \
|| (( $+commands[pyenv] )); then
# Ensure manually installed pyenv is added to path when present.
[[ -s $local_pyenv ]] && path=($local_pyenv:h $path)
# Load pyenv into the shell session.
eval "$(pyenv init - zsh)"
# Prepend PEP 370 per user site packages directory, which defaults to
# ~/Library/Python on macOS and ~/.local elsewhere, to PATH. The
# path can be overridden using PYTHONUSERBASE.
else
if [[ -n "$PYTHONUSERBASE" ]]; then
path=($PYTHONUSERBASE/bin(N) $path)
elif is-darwin; then
path=($HOME/Library/Python/*/bin(N) $path)
else
# This is subject to change.
path=($HOME/.local/bin(N) $path)
fi
fi
unset local_pyenv
# Return if requirements are not found.
if (( ! $+commands[(i)python[0-9.]#] && ! $+functions[pyenv] && ! $+commands[conda] )); then
return 1
fi
function _python-workon-cwd {
# Check if this is a Git repo.
local GIT_REPO_ROOT="$(git rev-parse --show-toplevel 2> /dev/null)"
# Get absolute path, resolving symlinks.
local PROJECT_ROOT="$PWD:A"
while [[ "$PROJECT_ROOT" != "/" && ! -e "$PROJECT_ROOT/.venv" \
&& ! -d "$PROJECT_ROOT/.git" && "$PROJECT_ROOT" != "$GIT_REPO_ROOT" ]]; do
PROJECT_ROOT="$PROJECT_ROOT:h"
done
if [[ $PROJECT_ROOT == "/" ]]; then
PROJECT_ROOT="."
fi
# Check for virtualenv name override.
local ENV_NAME=""
if [[ -f "$PROJECT_ROOT/.venv" ]]; then
ENV_NAME="$(<$PROJECT_ROOT/.venv)"
elif [[ -f "$PROJECT_ROOT/.venv/bin/activate" ]]; then
ENV_NAME="$PROJECT_ROOT/.venv"
elif [[ $PROJECT_ROOT != "." ]]; then
ENV_NAME="$PROJECT_ROOT:t"
fi
if [[ -n $CD_VIRTUAL_ENV && "$ENV_NAME" != "$CD_VIRTUAL_ENV" ]]; then
# We've just left the repo, deactivate the environment.
# Note: this only happens if the virtualenv was activated automatically.
deactivate && unset CD_VIRTUAL_ENV
fi
if [[ $ENV_NAME != "" ]]; then
# Activate the environment only if it is not already active.
if [[ "$VIRTUAL_ENV" != "$WORKON_HOME/$ENV_NAME" ]]; then
if [[ -n "$WORKON_HOME" && -e "$WORKON_HOME/$ENV_NAME/bin/activate" ]]; then
workon "$ENV_NAME" && export CD_VIRTUAL_ENV="$ENV_NAME"
elif [[ -e "$ENV_NAME/bin/activate" ]]; then
source $ENV_NAME/bin/activate && export CD_VIRTUAL_ENV="$ENV_NAME"
fi
fi
fi
}
# Load auto workon cwd hook.
if zstyle -t ':prezto:module:python:virtualenv' auto-switch; then
# Auto workon when changing directory.
autoload -Uz add-zsh-hook
add-zsh-hook chpwd _python-workon-cwd
fi
# Load virtualenvwrapper into the shell session, if pre-requisites are met
# and unless explicitly requested not to
if (( $+VIRTUALENVWRAPPER_VIRTUALENV || $+commands[virtualenv] )) \
&& zstyle -T ':prezto:module:python:virtualenv' initialize ; then
# Set the directory where virtual environments are stored.
export WORKON_HOME="${WORKON_HOME:-$HOME/.virtualenvs}"
# Disable the virtualenv prompt. Note that we use the magic value used by the
# pure prompt because there's some additional logic in that prompt which tries
# to figure out if a user set this variable and disable the python portion of
# that prompt based on it which is the exact opposite of what we want to do.
export VIRTUAL_ENV_DISABLE_PROMPT=12
# Create a sorted array of available virtualenv related 'pyenv' commands to
# look for plugins of interest. Scanning shell '$path' isn't enough as they
# can exist in 'pyenv' synthesized paths (e.g., '~/.pyenv/plugins') instead.
local -a pyenv_plugins
local pyenv_virtualenvwrapper_plugin_found
if (( $+commands[pyenv] )); then
pyenv_plugins=(${(@oM)${(f)"$(pyenv commands --no-sh 2> /dev/null)"}:#virtualenv*})
# Optionally activate 'virtualenv-init' plugin when available.
if (( $pyenv_plugins[(i)virtualenv-init] <= $#pyenv_plugins )); then
eval "$(pyenv virtualenv-init - zsh)"
fi
# Optionally activate 'virtualenvwrapper' plugin when available.
if (( $pyenv_plugins[(i)virtualenvwrapper(_lazy|)] <= $#pyenv_plugins )); then
pyenv "$pyenv_plugins[(R)virtualenvwrapper(_lazy|)]"
pyenv_virtualenvwrapper_plugin_found="true"
fi
unset pyenv_plugins
fi
if [[ $pyenv_virtualenvwrapper_plugin_found != "true" ]]; then
# Fallback to standard 'virtualenvwrapper' if 'python' is available in '$path'.
if (( ! $+VIRTUALENVWRAPPER_PYTHON )) && (( $+commands[(i)python[0-9.]#] )); then
VIRTUALENVWRAPPER_PYTHON=$commands[(i)python[0-9.]#]
fi
virtualenvwrapper_sources=(
${(@Ov)commands[(I)virtualenvwrapper(_lazy|).sh]}
/usr/share/virtualenvwrapper/virtualenvwrapper(_lazy|).sh(OnN)
)
if (( $#virtualenvwrapper_sources )); then
source "$virtualenvwrapper_sources[1]"
fi
unset virtualenvwrapper_sources
fi
unset pyenv_virtualenvwrapper_plugin_found
fi
# Load conda into the shell session, if requested.
zstyle -T ':prezto:module:python' conda-init
if (( $? && $+commands[conda] )); then
if (( $(conda ..changeps1) )); then
echo "To make sure Conda doesn't change your prompt (should do that in the prompt module) run:\n conda config --set changeps1 false"
# TODO:
# We could just run this ourselves. In an exit hook
# (add zsh-hook zshexit [(anonymous) function]) we could then set it back
# to the way it was before we changed it. However, I'm not sure if this is
# exception safe, so left it like this for now.
fi
fi
#
# Aliases
#
if ! zstyle -t ':prezto:module:python:alias' skip; then
alias py='python'
alias py2='python2'
alias py3='python3'
fi