Bash 4.0+ function using Pythonpy

pyls-function.bash

function pyls() {
    if [ "$1" ]; then
        attribute_count=$(py "len(dir(${1}))")
        item_count=$(py "getattr(${1}, '__len__', lambda *a, **k: 0)()")
        what_is_it=$(py "type(${1}).__name__")
        echo -n "> Python ${what_is_it} “${1}” has ${item_count} member sub-items"
        [ "${item_count}" -eq "0" ] && echo "" || echo ":"
        # py ${1} | py -x '"+ %s" % x' -c 'print("")'
        py ${1} | py -x '"+ %s" % x'
        echo -n "> Python ${what_is_it} “${1}” has ${attribute_count} member attributes"
        [ "${attribute_count}" -eq "0" ] && echo "" || echo ":"
        py "sorted(dir(${1}))" | /usr/local/bin/columns -W `tput cols`
    fi
}