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Throw an error message when $WORKON_HOME is not set 

Took me a while to figure this one out, and I have a default installation of virtualenvwrapper -- this is a soft fix, just put an error message. But perhaps the fix should be to use the default value `~/.virtualenvs`.
This commit is contained in:
benjaoming 2013-11-22 11:48:13 +01:00 committed by Benjamin Bach
parent 43aa3783f8
commit 4b05e548d0
1 changed files with 53 additions and 47 deletions
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100
plugins/virtualenvwrapper/virtualenvwrapper.plugin.zsh
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@ -1,57 +1,63 @@
virtualenvwrapper='virtualenvwrapper.sh'
if (( $+commands[$virtualenvwrapper] )); then
source ${${virtualenvwrapper}:c}
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 [ $CD_VIRTUAL_ENV ]; then
# We've just left the repo, deactivate the environment
# Note: this only happens if the virtualenv was activated automatically
deactivate && unset CD_VIRTUAL_ENV
fi
unset PROJECT_ROOT
unset WORKON_CWD
fi
}
if [[ "$WORKON_HOME" == "" ]]; then
echo "\$WORKON_HOME is not defined so ZSH plugin virtualenvwrapper will not work"
else
# 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
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 [ $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
else
}
# 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