dotfiles/zsh/plugins/python.plugin.zsh

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2021-12-29 19:14:18 +01:00
# vim:sts=2:sw=2:ft=zsh
# Taken from: https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/plugins/python/python.plugin.zsh
#
# python command
alias py='python'
# Find python file
alias pyfind='find . -name "*.py"'
# Remove python compiled byte-code and mypy/pytest cache in either the current
# directory or in a list of specified directories (including sub directories).
function pyclean() {
ZSH_PYCLEAN_PLACES=${*:-'.'}
find ${ZSH_PYCLEAN_PLACES} -type f -name "*.py[co]" -delete
find ${ZSH_PYCLEAN_PLACES} -type d -name "__pycache__" -delete
find ${ZSH_PYCLEAN_PLACES} -depth -type d -name ".mypy_cache" -exec rm -r "{}" +
find ${ZSH_PYCLEAN_PLACES} -depth -type d -name ".pytest_cache" -exec rm -r "{}" +
}
# Add the user installed site-packages paths to PYTHONPATH, only if the
# directory exists. Also preserve the current PYTHONPATH value.
# Feel free to autorun this when .zshrc loads.
function pyuserpaths() {
local targets=("python2" "python3") # bins
# Get existing interpreters.
local interps=()
for target in $targets; do
[ `command -v $target` ] && interps+=($target)
done
# Check for a non-standard install directory.
local user_base="${HOME}/.local"
[ $PYTHONUSERBASE ] && user_base=$PYTHONUSERBASE
# Add version specific paths, if:
# it exists in the filesystem;
# it isn't in PYTHONPATH already.
for interp in $interps; do
# Get minor release version.
local ver=`$interp -V 2>&1`
ver=`echo ${ver:7} | cut -d '.' -f 1,2` # The patch version is variable length, truncate it.
local site_pkgs="${user_base}/lib/python${ver}/site-packages"
[[ -d $site_pkgs && ! $PYTHONPATH =~ $site_pkgs ]] && export PYTHONPATH=${site_pkgs}:$PYTHONPATH
done
}
# Grep among .py files
alias pygrep='grep -nr --include="*.py"'
# Run proper IPython regarding current virtualenv (if any)
alias ipython="python -c 'import IPython; IPython.terminal.ipapp.launch_new_instance()'"
# Share local directory as a HTTP server
alias pyserver="python -m http.server"
## venv utilities
# Activate a the python virtual environment specified.
# If none specified, use 'venv'.
function vrun() {
local name="${1:-venv}"
local venvpath="${name:P}"
if [[ ! -d "$venvpath" ]]; then
echo >&2 "Error: no such venv in current directory: $name"
return 1
fi
if [[ ! -f "${venvpath}/bin/activate" ]]; then
echo >&2 "Error: '${name}' is not a proper virtual environment"
return 1
fi
. "${venvpath}/bin/activate" || return $?
echo "Activated virtual environment ${name}"
}
# Create a new virtual environment, with default name 'venv'.
function mkv() {
local name="${1:-venv}"
local venvpath="${name:P}"
python3 -m venv "${name}" || return
echo >&2 "Created venv in '${venvpath}'"
vrun "${name}"
}