This commit is contained in:
tavo 2024-12-24 23:13:32 -06:00
parent 58ce450595
commit 7628281e93
3 changed files with 195 additions and 1 deletions

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# pyv
Wrapper for python-venv
Wrapper for python-venv
## Install
```sh
git clone https://git.tavo.one/tavo/pyv.git ~/.local/share/pyv
printf 'for f in pyv pyv_comp.bash ; do if [ -f ~/.local/share/pyv/$f ] ; then . ~/.local/share/pyv/$f ; fi ; done' >> ~/.bashrc
```
## Usage
`pyv [ls|new|rm|enter|exit] myvenv`
```sh
pyv new v1 # create venv named v1
pyv new v2 # create venv named v2
pyv ls # list venvs
pyv rm v2 # delete venv named v2
pyv enter v1 # enter venv named v1
pyv exit # exit current venv
```
## Uninstall
```sh
rm -rf ~/.local/share/pyv
# Also remove corresponding line in ~/.bashrc
```

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pyv Normal file
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#!/bin/sh
_pyv_err() {
printf '\033[91mError:\033[0m \033[2m%s\033[0m\n' "$1"
}
_pyv_warn() {
printf '\033[93mWarn:\033[0m \033[2m%s\033[0m\n' "$1"
}
_pyv_log() {
printf '\033[94mpyv:\033[0m \033[2m%s\033[0m\n' "$1"
}
_pyv_help() {
printf 'Usage:\n \033[92mpyv\033[0m \033[94m[ls|new|rm|enter|exit]\033[0m \033[95mmyvenv\033[0m\n'
}
_pyv_avail() {
venvs="$(for v in "$VENV_DIR"/* ; do
if [ -d "$v" ] ; then
if [ "$VIRTUAL_ENV" == "$v" ] ; then
printf '\033[95m%s\033[0m, ' "*${v##*/}"
else
printf '\033[95m%s\033[0m, ' "${v##*/}"
fi
fi
done)"
venvs="${venvs%,*}"
[ -n "$venvs" ] && printf 'Available venvs:\n %s\n' "$venvs"
}
_pyv_prompt() {
printf '%s [y/N]: ' "$1"
read -r s
case "$(echo "$s" | tr '[:upper:]' '[:lower:]')" in
y|yes) return 0 ;;
*) return 1 ;;
esac
}
pyv() {
VENV_OPT=
VENV_LIST=
PYTHON="${PYTHON:=$(command -v python 2>&-)}"
PYTHON="${PYTHON:=$(command -v python3 2>&-)}"
[ -z "$PYTHON" ] && _pyv_err "Could not find python in PATH" && return 1
if ! $PYTHON -m venv -h >&- 2>&- ; then
_pyv_err "python-venv module not available" && return 1
fi
if [ -z "$VENV_DIR" ] ; then
if [ -n "$XDG_DATA_HOME" ] ; then
VENV_DIR="$XDG_DATA_HOME/pyv"
else
[ -z "$HOME" ] && _pyv_err "No safe venv location" && return 1
VENV_DIR="$HOME/.local/share/pyv"
fi
fi
mkdir -p "$VENV_DIR"
case "$1" in
new|enter|rm)
VENV_OPT="$1" ; VENV_LIST="${@#${VENV_OPT}}" ; VENV_LIST="${VENV_LIST#* }" ;;
-d)
VENV_OPT="rm" ; VENV_LIST="${@#${VENV_OPT}}" ; VENV_LIST="${VENV_LIST#* }" ;;
exit|quit|q)
if command -v deactivate >&- 2>&- ; then
_pyv_log "Deactivating venv ${VIRTUAL_ENV##*/}..."
deactivate
else
_pyv_warn "No currently active venv"
fi
return 0 ;;
-l*|--l*|l|ls|list)
_pyv_avail
return 0 ;;
-*|help|h|"")
_pyv_help
avail="$(_pyv_avail)"
[ -n "$avail" ] && printf '\n%s\n' "$avail"
return 0 ;;
*)
VENV_OPT="enter" ; VENV_LIST="$@" ;;
esac
for v in $VENV_LIST ; do
if ! [ -d "$VENV_DIR/$v" ] && [ "$VENV_OPT" != "new" ] ; then
_pyv_err "venv $v not found"
VENV_LIST=
fi
done
if [ -z "$VENV_LIST" ] ; then
_pyv_help
echo
_pyv_avail
return 0
fi
if [ "$VENV_OPT" == "new" ] ; then
for v in $VENV_LIST ; do
if [ -d "$VENV_DIR/$v" ] ; then
_pyv_warn "venv $v already exists, skipping..."
else
_pyv_log "Creating new venv $v..."
$PYTHON -m venv "$VENV_DIR/$v"
fi
done
fi
if [ "$VENV_OPT" == "rm" ] ; then
for v in $VENV_LIST ; do
if _pyv_prompt "Remove venv at '$VENV_DIR/$v'?" ; then
_pyv_log "Removing venv $v..."
rm -rf "$VENV_DIR/$v" && _pyv_log "Done"
else
_pyv_log "Keeping venv $v"
fi
done
fi
if [ "$VENV_OPT" == "enter" ] ; then
command -v deactivate >&- 2>&- && deactivate
venv="${VENV_LIST%% *}"
_pyv_log "Activating $venv..."
case "${0##*/}" in
bash|zsh|dash|ksh|sh)
. "$VENV_DIR/$venv/bin/activate" ;;
fish)
source "$VENV_DIR/$venv/bin/activate.fish" ;;
csh|tcsh)
source "$VENV_DIR/$venv/bin/activate.csh" ;;
esac
fi
}

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pyv_comp.bash Normal file
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#!/usr/bin/env bash
_pyv_comp() {
if [ -z "$VENV_DIR" ] ; then
if [ -n "$XDG_DATA_HOME" ] ; then
VENV_DIR="$XDG_DATA_HOME/pyv"
else
[ -z "$HOME" ] && return 1
VENV_DIR="$HOME/.local/share/pyv"
fi
fi
if [ "${#COMP_WORDS[@]}" == "2" ]; then
COMPREPLY=($(compgen -W "ls new rm enter exit" "${COMP_WORDS[1]}"))
fi
if [ "${#COMP_WORDS[@]}" -gt 2 ]; then
venvs="$(for v in "$VENV_DIR"/* ; do
if [ -d "$v" ] ; then
printf '%s ' "${v##*/}"
fi
done)"
venvs="${venvs% *}"
COMPREPLY=($(compgen -W "$venvs" -- "${COMP_WORDS[-1]}"))
fi
}
complete -F _pyv_comp pyv