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ohmyzsh/plugins/virtualenvwrapper/virtualenvwrapper.plugin.zsh
2024-03-26 09:55:16 +01:00

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function {
# search in these locations for the init script:
for virtualenvwrapper in $commands[virtualenvwrapper_lazy.sh] \
$commands[virtualenvwrapper.sh] \
/usr/share/virtualenvwrapper/virtualenvwrapper{_lazy,}.sh \
/usr/local/bin/virtualenvwrapper{_lazy,}.sh \
/etc/bash_completion.d/virtualenvwrapper \
/usr/share/bash-completion/completions/virtualenvwrapper \
$HOME/.local/bin/virtualenvwrapper.sh
do
if [[ -f "$virtualenvwrapper" ]]; then
source "$virtualenvwrapper"
return
fi
done
print "[oh-my-zsh] virtualenvwrapper plugin: Cannot find virtualenvwrapper.sh.\n"\
"Please install with \`pip install virtualenvwrapper\`" >&2
return 1
}
if [[ $? -eq 0 ]] && ! type workon &>/dev/null; then
print "[oh-my-zsh] virtualenvwrapper plugin: shell function 'workon' not defined.\n"\
"Please check ${virtualenvwrapper}" >&2
return
fi
if [[ -z "$WORKON_HOME" ]]; then
WORKON_HOME="$HOME/.virtualenvs"
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
# Get absolute path, resolving symlinks
local PROJECT_ROOT="${PWD:A}"
while [[ "$PROJECT_ROOT" != "/" && ! -e "$PROJECT_ROOT/.venv" \
&& ! -d "$PROJECT_ROOT/.git" ]]; do
PROJECT_ROOT="${PROJECT_ROOT:h}"
done
# Check for virtualenv name override
if [[ -f "$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 [[ -n $CD_VIRTUAL_ENV && "$ENV_NAME" != "$CD_VIRTUAL_ENV" ]]; then
# We've just left the repo, deactivate the environment
# Note: this only happens if the virtualenv was activated automatically
if [[ -n "$VIRTUAL_ENV" ]]; then
# Only deactivate if VIRTUAL_ENV was set
# User may have deactivated manually or via another mechanism
deactivate
fi
# clean up regardless
unset CD_VIRTUAL_ENV
fi
if [[ "$ENV_NAME" != "" ]]; then
# Activate the environment only if it is not already active
if [[ ! "$VIRTUAL_ENV" -ef "$WORKON_HOME/$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"
else
ENV_NAME=""
fi
fi
fi
if [[ "$ENV_NAME" == "" && -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
autoload -U add-zsh-hook
add-zsh-hook chpwd workon_cwd
[[ $PWD != ~ ]] && workon_cwd
fi