diff --git a/plugins/virtualenvwrapper/virtualenvwrapper.plugin.zsh b/plugins/virtualenvwrapper/virtualenvwrapper.plugin.zsh index 9a0616b72..0ad336917 100644 --- a/plugins/virtualenvwrapper/virtualenvwrapper.plugin.zsh +++ b/plugins/virtualenvwrapper/virtualenvwrapper.plugin.zsh @@ -6,67 +6,70 @@ elif [[ -f "/etc/bash_completion.d/virtualenvwrapper" ]]; then virtualenvwrapper="/etc/bash_completion.d/virtualenvwrapper" source "/etc/bash_completion.d/virtualenvwrapper" else - print "zsh virtualenvwrapper plugin: Cannot find ${virtualenvwrapper}. Please install with \`pip install virtualenvwrapper\`." + print "zsh virtualenvwrapper plugin: Cannot find ${virtualenvwrapper}.\n"\ + "Please install with \`pip install virtualenvwrapper\`" >&2 + return +fi +if ! type workon &>/dev/null; then + print "zsh virtualenvwrapper plugin: shell function 'workon' not defined.\n"\ + "Please check ${virtualenvwrapper}" >&2 return fi -if type workon 2>&1 >/dev/null; then - if [[ "$WORKON_HOME" == "" ]]; then - echo "\$WORKON_HOME is not defined so ZSH plugin virtualenvwrapper will not work" - else - if [[ ! $DISABLE_VENV_CD -eq 1 ]]; then - # Automatically activate Git projects's virtual environments 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 [ ! $WORKON_CWD ]; then - WORKON_CWD=1 - # Check if this is a Git repo - PROJECT_ROOT=`git rev-parse --show-toplevel 2> /dev/null` - if (( $? != 0 )); then - PROJECT_ROOT="." - fi - # Check for virtualenv name override - if [[ -f "$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=`basename "$PROJECT_ROOT"` - else - ENV_NAME="" - fi - if [[ "$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 - unset PROJECT_ROOT - unset WORKON_CWD - fi - } - - # Append workon_cwd to the chpwd_functions array, so it will be called on cd - # http://zsh.sourceforge.net/Doc/Release/Functions.html - # TODO: replace with 'add-zsh-hook chpwd workon_cwd' when oh-my-zsh min version is raised above 4.3.4 - if (( ${+chpwd_functions} )); then - if (( $chpwd_functions[(I)workon_cwd] == 0 )); then - set -A chpwd_functions $chpwd_functions workon_cwd - fi - else - set -A chpwd_functions workon_cwd - fi - fi - fi -else - print "zsh virtualenvwrapper plugin: shell function 'workon' not defined. Please check ${virtualenvwrapper}." >&2 +if [[ "$WORKON_HOME" == "" ]]; then + print "\$WORKON_HOME is not defined so ZSH plugin virtualenvwrapper will not work" >&2 + return +fi + +if [[ ! $DISABLE_VENV_CD -eq 1 ]]; then + # Automatically activate Git projects's virtual environments 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 [ ! $WORKON_CWD ]; then + WORKON_CWD=1 + # Check if this is a Git repo + PROJECT_ROOT=`git rev-parse --show-toplevel 2> /dev/null` + if (( $? != 0 )); then + PROJECT_ROOT="." + fi + # Check for virtualenv name override + if [[ -f "$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=`basename "$PROJECT_ROOT"` + else + ENV_NAME="" + fi + if [[ "$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 + unset PROJECT_ROOT + unset WORKON_CWD + fi + } + + # Append workon_cwd to the chpwd_functions array, so it will be called on cd + # http://zsh.sourceforge.net/Doc/Release/Functions.html + # TODO: replace with 'add-zsh-hook chpwd workon_cwd' when oh-my-zsh min version is raised above 4.3.4 + if (( ${+chpwd_functions} )); then + if (( $chpwd_functions[(I)workon_cwd] == 0 )); then + set -A chpwd_functions $chpwd_functions workon_cwd + fi + else + set -A chpwd_functions workon_cwd + fi fi