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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.
else
if [[ "$OSTYPE" == darwin* ]]; then
path=($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
local venv_script=virtualenvwrapper
if zstyle -T ':prezto:module:python' lazy_venv; then
venv_script+=_lazy
fi
# Load virtualenvwrapper into the shell session.
if (( $+commands[$venv_script.sh] )); then
# Set the directory where virtual environments are stored.
export WORKON_HOME="$HOME/.virtualenvs"
# Disable the virtualenv prompt.
VIRTUAL_ENV_DISABLE_PROMPT=1
source "$commands[$venv_script.sh]"
fi
function autoenv {
#Don't run in shell scripts etc.
if [[ $ZSH_SUBSHELL -ne 0 ]]; then
return
fi
#Don't run if currently in virtual env not set by autoenv
if (( ($+VIRTUAL_ENV) && !($+AUTOENV) )); then
return
fi
local name=""
if [[ -f .venv ]]; then
#.venv file in current dir gets highest priority
name=$(<.venv)
elif is-true "$(git rev-parse --is-inside-work-tree 2> /dev/null)"; then
local gitroot="$(git rev-parse --show-toplevel 2> /dev/null)"
if [ -f "$gitroot/.venv" ]; then
#If there is a .venv file in gitroot
name=$(<$gitroot/.venv)
else
#Else use the name of the folder as venv name
name=$gitroot:t
fi
fi
local venv_name="$VIRTUAL_ENV:t"
if [[ $name != $venv_name ]]; then
if [[ -z $name ]]; then
deactivate && unset AUTOENV
return
fi
if [[ -d "$WORKON_HOME/$name" ]]; then
workon $name && export AUTOENV=1
return
fi
fi
}
if zstyle -T ':prezto:module:python' autoenv; then
add-zsh-hook chpwd autoenv
fi
#
# Aliases
#
alias py='python'