psutil is a module providing an interface for retrieving information on all running processes and system utilization (CPU, memory, disks, network, users) in a portable way by using Python, implementing many functionalities offered by command line tools such as:

• ps
  • top
  • df
  • netstat
  • who
  • kill
  • uptime
  • free
  • lsof
  • ifconfig
  • nice
  • ionice
  • iostat
  • iotop
  • pidof
  • tty
  • taskset
  • pmap