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prezto/modules/python/init.zsh

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#
# Enables local Python package installation.
#
# Authors:
# Sorin Ionescu <sorin.ionescu@gmail.com>
# Sebastian Wiesner <lunaryorn@googlemail.com>
#
# Load manually installed pyenv into the shell session.
if [[ -s "$HOME/.pyenv/bin/pyenv" ]]; then
path=("$HOME/.pyenv/bin" $path)
eval "$(pyenv init -)"
# Load package manager installed pyenv into the shell session.
elif (( $+commands[pyenv] )); then
eval "$(pyenv init -)"
# Prepend PEP 370 per user site packages directory, which defaults to
# ~/Library/Python on Mac OS X and ~/.local elsewhere, to PATH. The
# path can be overridden using PYTHONUSERBASE.
else
if [[ -n "$PYTHONUSERBASE" ]]; then
path=($PYTHONUSERBASE/bin $path)
elif [[ "$OSTYPE" == darwin* ]]; then
path=($HOME/Library/Python/*/bin(N) $path)
else
# This is subject to change.
path=($HOME/.local/bin $path)
fi
fi
# Return if requirements are not found.
if (( ! $+commands[python] && ! $+commands[pyenv] )); then
return 1
fi
# Load virtualenvwrapper into the shell session, unless requested not to
zstyle -t ':prezto:module:python' skip-virtualenvwrapper-init
if (( $? && $+commands[virtualenvwrapper.sh] )); then
# Set the directory where virtual environments are stored.
export WORKON_HOME="${WORKON_HOME:-$HOME/.virtualenvs}"
# Disable the virtualenv prompt.
VIRTUAL_ENV_DISABLE_PROMPT=1
source "$commands[virtualenvwrapper.sh]"
fi
# Load PIP completion.
if (( $+commands[pip] )); then
cache_file="${0:h}/cache.zsh"
if [[ "$commands[pip]" -nt "$cache_file" || ! -s "$cache_file" ]]; then
# pip is slow; cache its output. And also support 'pip2', 'pip3' variants
pip completion --zsh | sed -e "s|compctl -K [-_[:alnum:]]* pip|& pip2 pip3|" >! "$cache_file" 2> /dev/null
fi
source "$cache_file"
unset cache_file
fi
#
# Aliases
#
alias py='python'