vncstatus

#!/usr/bin/python
from __future__ import print_function
import subprocess
import re 

cmd = 'ps -C Xvnc -o args'
cmdargs = cmd.split()
data = subprocess.check_output(cmdargs)

lines = data.split("\n")
names = []
numbers = []
for ln in lines:
    if ln == 'COMMAND':
        continue
    # oh boy! parsing!
    # the format of the args are executable, desktop args as key value pairs
    # keys start with a '-'
    curargs = ln.split()
    if len(curargs) < 3:
        continue
    desktop = curargs[1]

    mtch = re.search("\:(\d+)",desktop)
    if mtch:
        numbers.append(mtch.group(1))

    nextargs = False
    name = '' 
    for n in range(2,len(curargs)):
        mtch = re.search("\A-",curargs[n])
        if curargs[n] == '-desktop':
            nextargs = True
            name = ''
        elif nextargs and mtch is None:
            nmtch = re.search("\:\d+",curargs[n])
            if nmtch is None:
                name = name +' ' + curargs[n]
        elif nextargs and mtch :
            names.append(name)
            nextargs = False
    
for n in range(0,len(numbers)):
    print ( numbers[n], names[n])