virtualenvwrapper.plugin.zsh

wrapsource=`which virtualenvwrapper_lazy.sh`

if [[ -f "$wrapsource" ]]; then
  source $wrapsource

  if [[ ! $DISABLE_VENV_CD -eq 1 ]]; then
    # Automatically activate Git projects' 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 "$PROJECT_ROOT/.venv"`
            elif [[ "$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"
                    fi
                fi
            elif [ $CD_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
    }

    # New cd function that does the virtualenv magic
    function cd {
        builtin cd "$@" && workon_cwd
    }
  fi
else
  print "zsh virtualenvwrapper plugin: Cannot find virtualenvwrapper_lazy.sh. Please install with \`pip install virtualenvwrapper\`."
fi