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Automatic virtualenv activaiion and deactivation, virtualenv non lazy
mode
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2ebdbdcff5
commit
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@ -61,6 +61,29 @@ system site-packages directory.
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export VIRTUALENVWRAPPER_VIRTUALENV_ARGS='--no-site-packages'
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### Settings
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#### Lazy loading
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By default, virtualenvwrapper is loaded in lazy mode. This behaviour can be disabled adding the following line to *~/.zpreztorc*:
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zstyle ':prezto:module:python' lazy_venv 'no'
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#### Automatic virtualenv initialization
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To enable autoenv, add the following line to *~/.zpreztorc*:
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zstyle ':prezto:module:python' autoenv 'yes'
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If a virtualenv is active, and was not activated by autoenv, then autoenv does nothing.
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Otherwise, autoenv activated or deactivates a virtual environment whenever a directory is changed; based on the following priority:
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1. Name specified in a file named *.venv* in the cwd.
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2. *.venv* file in git root. If folder is inside git repository.
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3. Name of git root folder.
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4. No virtualenv.
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Aliases
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-------
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@ -31,17 +31,66 @@ if (( ! $+commands[python] && ! $+commands[pyenv] )); then
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return 1
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fi
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local venv_script=virtualenvwrapper
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if zstyle -T ':prezto:module:python' lazy_venv; then
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venv_script+=_lazy
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fi
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# Load virtualenvwrapper into the shell session.
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if (( $+commands[virtualenvwrapper_lazy.sh] )); then
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if (( $+commands[$venv_script.sh] )); then
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# Set the directory where virtual environments are stored.
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export WORKON_HOME="$HOME/.virtualenvs"
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# Disable the virtualenv prompt.
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VIRTUAL_ENV_DISABLE_PROMPT=1
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source "$commands[virtualenvwrapper_lazy.sh]"
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source "$commands[$venv_script.sh]"
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fi
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function autoenv {
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#Don't run in shell scripts etc.
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if [[ $ZSH_SUBSHELL -ne 0 ]]; then
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return
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fi
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#Don't run if currently in virtual env not set by autoenv
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if (( ($+VIRTUAL_ENV) && !($+AUTOENV) )); then
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return
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fi
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local name=""
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if [[ -f .venv ]]; then
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#.venv file in current dir gets highest priority
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name=$(<.venv)
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elif is-true "$(git rev-parse --is-inside-work-tree 2> /dev/null)"; then
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local gitroot="$(git rev-parse --show-toplevel 2> /dev/null)"
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if [ -f "$gitroot/.venv" ]; then
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#If there is a .venv file in gitroot
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name=$(<$gitroot/.venv)
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else
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#Else use the name of the folder as venv name
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name=$gitroot:t
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fi
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fi
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local venv_name="$VIRTUAL_ENV:t"
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if [[ $name != $venv_name ]]; then
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if [[ -z $name ]]; then
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deactivate && unset AUTOENV
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return
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fi
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if [[ -d "$WORKON_HOME/$name" ]]; then
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workon $name && export AUTOENV=1
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return
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fi
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fi
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}
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if zstyle -T ':prezto:module:python' autoenv; then
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add-zsh-hook chpwd autoenv
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fi
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#
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# Aliases
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#
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