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ohmyzsh/plugins/virtualenvwrapper/virtualenvwrapper.plugin.zsh
Marc Cornellà f461d21de1
virtualenvwrapper: set $WORKON_HOME if undefined
This uses the default that virtualenvwrapper.sh would set if it was called. If the user
changes its value after the plugin is loaded, the plugin will work all the same.

Fixes #6882
Closes #6870
Closes #6883
2018-06-06 17:14:19 +02:00

102 lines
3.7 KiB
Bash

virtualenvwrapper='virtualenvwrapper.sh'
virtualenvwrapper_lazy='virtualenvwrapper_lazy.sh'
if (( $+commands[$virtualenvwrapper_lazy] )); then
function {
setopt local_options
unsetopt equals
virtualenvwrapper=${${virtualenvwrapper_lazy}:c}
source ${${virtualenvwrapper_lazy}:c}
[[ -z "$WORKON_HOME" ]] && WORKON_HOME="$HOME/.virtualenvs"
}
elif (( $+commands[$virtualenvwrapper] )); then
function {
setopt local_options
unsetopt equals
source ${${virtualenvwrapper}:c}
}
elif [[ -f "/usr/local/bin/virtualenvwrapper.sh" ]]; then
function {
setopt local_options
unsetopt equals
virtualenvwrapper="/usr/local/bin/virtualenvwrapper.sh"
source "/usr/local/bin/virtualenvwrapper.sh"
}
elif [[ -f "/etc/bash_completion.d/virtualenvwrapper" ]]; then
function {
setopt local_options
unsetopt equals
virtualenvwrapper="/etc/bash_completion.d/virtualenvwrapper"
source "/etc/bash_completion.d/virtualenvwrapper"
}
else
print "[oh-my-zsh] virtualenvwrapper plugin: Cannot find ${virtualenvwrapper}.\n"\
"Please install with \`pip install virtualenvwrapper\`" >&2
return
fi
if ! type workon &>/dev/null; then
print "[oh-my-zsh] virtualenvwrapper plugin: shell function 'workon' not defined.\n"\
"Please check ${virtualenvwrapper}" >&2
return
fi
if [[ "$WORKON_HOME" == "" ]]; then
print "[oh-my-zsh] \$WORKON_HOME is not defined so plugin virtualenvwrapper will not work" >&2
return
fi
if [[ ! $DISABLE_VENV_CD -eq 1 ]]; then
# Automatically activate Git projects or other customized virtualenvwrapper projects based on the
# directory name of the project. Virtual environment name can be overridden
# by placing a .venv file in the project root with a virtualenv name in it.
function workon_cwd {
if [[ -z "$WORKON_CWD" ]]; then
local WORKON_CWD=1
# Check if this is a Git repo
local GIT_REPO_ROOT=""
local GIT_TOPLEVEL="$(git rev-parse --show-toplevel 2> /dev/null)"
if [[ $? == 0 ]]; then
GIT_REPO_ROOT="$GIT_TOPLEVEL"
fi
# 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
if [[ -f "$PROJECT_ROOT/.venv" ]]; then
ENV_NAME="$(cat "$PROJECT_ROOT/.venv")"
elif [[ -f "$PROJECT_ROOT/.venv/bin/activate" ]];then
ENV_NAME="$PROJECT_ROOT/.venv"
elif [[ "$PROJECT_ROOT" != "." ]]; then
ENV_NAME="${PROJECT_ROOT:t}"
else
ENV_NAME=""
fi
if [[ "$ENV_NAME" != "" ]]; then
# Activate the environment only if it is not already active
if [[ "$VIRTUAL_ENV" != "$WORKON_HOME/$ENV_NAME" ]]; then
if [[ -e "$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
elif [[ -n $CD_VIRTUAL_ENV && -n $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
fi
}
# Append workon_cwd to the chpwd_functions array, so it will be called on cd
# http://zsh.sourceforge.net/Doc/Release/Functions.html
if ! (( $chpwd_functions[(I)workon_cwd] )); then
chpwd_functions+=(workon_cwd)
fi
fi