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# python command
alias py='python3'
# 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() {
find "${@:-.}" -type f -name "*.py[co]" -delete
find "${@:-.}" -type d -name "__pycache__" -delete
find "${@:-.}" -depth -type d -name ".mypy_cache" -exec rm -r "{}" +
find "${@:-.}" -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() {
setopt localoptions extendedglob
# Check for a non-standard install directory.
local user_base="${PYTHONUSERBASE:-"${HOME}/.local"}"
local python version site_pkgs
for python in python2 python3; do
# Check if command exists
(( ${+commands[$python]} )) || continue
# Get minor release version.
# The patch version is variable length, truncate it.
version=${(M)${"$($python -V 2>&1)":7}#[^.]##.[^.]##}
# Add version specific path, if:
# - it exists in the filesystem
# - it isn't in $PYTHONPATH already.
site_pkgs="${user_base}/lib/python${version}/site-packages"
[[ -d "$site_pkgs" && ! "$PYTHONPATH" =~ (^|:)"$site_pkgs"(:|$) ]] || continue
export PYTHONPATH="${site_pkgs}${PYTHONPATH+":${PYTHONPATH}"}"
done
}
# Grep among .py files
alias pygrep='grep -nr --include="*.py"'
# Run proper IPython regarding current virtualenv (if any)
alias ipython="python3 -c 'import IPython; IPython.terminal.ipapp.launch_new_instance()'"
# Share local directory as a HTTP server
alias pyserver="python3 -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}"
}
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