text: #!/usr/bin/env python
  import subprocess as sp 
  
  # -------------------------------------------------------------------------------------------------
  # Find Active Connection
  #
  activeConnectionDevice = None
  
  devices = sp.check_output("nmcli -t device", shell=True).decode()
  for line in devices.split("\n"):
      data = tuple(line.split(":"))
      if len(data) > 3:
          if ":connected:" in line:
              activeConnectionDevice = data[0]
  
  # -------------------------------------------------------------------------------------------------
  # Device Details 
  #
  print("${color4}NET DEVICE DETAIL")
  if not activeConnectionDevice is None:
      cmd = "nmcli -t device show {}".format(activeConnectionDevice)
      deviceInfo = sp.check_output(cmd, shell=True).decode()
  
      d = [("${color6}PROPERTY","VALUE")]
      for line in deviceInfo.split("\n"):
  
          # highlight special information
          if [x for x in ("IP4.ADDRESS","GENERAL.HWADDR","IP6.ADDRESS") 
              if x in line]:
              line = "${color0}" + line 
          else:
              line = "${color1}" + line 
  
          # display only useful information
          datum = tuple(line.split(":",1))
          if len(datum) > 1:
              if   [x for x in ("GENERAL.MTU","GENERAL.HWADDR","GENERAL.TYPE") 
              if x in datum[0]]:
                  d.append(datum)
              elif [x for x in ("IP4.ADDRESS","IP4.GATEWAY","IP4.ROUTE", "IP4.DNS")
              if x in datum[0]]:
                  if ("IP4.ROUTE" in datum[0]):
                      firstroute = datum[1].split(",",1)[0]
                      d.append((datum[0], firstroute.replace("dst =","")))
                  else:
                      d.append(datum)
              elif [x for x in ("IP6.ADDRESS","IP6.GATEWAY")
              if x in datum[0]]:
                  word, addr = datum
                  hexparts = addr.split(":")
                  d.append((word + ".a", ":".join(hexparts[:4])))
                  d.append((word + ".b", ":".join(hexparts[4:])))
  
      for datum in d:
          mesg = "{0:<24}{1:>30}".format(datum[0].strip(),datum[1].strip())
          print(mesg)
  else:
      print("${color1}NO DEVICE CONNECTED")