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prezto/modules/python/init.zsh
Kaleb Elwert 2794f95d3e Use the lazy-loaded version of virtualenvwrapper if available
This shouldn't cause problems for anyone and should improve startup times for
anyone using python with virtualenvwrapper because it will wait for the first
command to load rather than right away.
2017-05-02 10:08:06 -07:00

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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] && ! $+commands[pyenv] )); then
return 1
fi
# Load virtualenvwrapper into the shell session, unless requested not to
if zstyle -T ':prezto:module:python' skip-virtualenvwrapper-init; then
# Set the directory where virtual environments are stored.
export WORKON_HOME="${WORKON_HOME:-$HOME/.virtualenvs}"
# Disable the virtualenv prompt.
VIRTUAL_ENV_DISABLE_PROMPT=1
if (( $+commands[pyenv-virtualenvwrapper] )); then
pyenv virtualenvwrapper
elif (( $+commands[pyenv-virtualenv-init] )); then
eval "$(pyenv virtualenv-init -)"
elif (( $+commands[virtualenvwrapper_lazy.sh] )); then
source "$commands[virtualenvwrapper_lazy.sh]"
elif (( $+commands[virtualenvwrapper.sh] )); then
source "$commands[virtualenvwrapper.sh]"
fi
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'