psaux.py

#!/usr/bin/env python3

import subprocess

command = "ps axo user:30,pid,pcpu,pmem,vsz,rss,tty,stat,start,time,comm"
l = subprocess.check_output(["/bin/bash", "-c", command]).decode("utf-8").split("\n")
minlen = sorted(set([30-len(item.split(" ")[0]) for item in l]))[0]
for line in l:
    print(line[:30-minlen]+line[30:])