Python script that parses netstat -nb command in windows, getting current connnections & from which programs

netstat_parser.py

from ctypes import windll
from sys import executable
from os import popen


def is_admin():
    try:
        return windll.shell32.IsUserAnAdmin()
    except:
        return False


def clean_split(to_split, delim):
    return list(filter(''.__ne__, to_split.split(delim)))


def process_lines(lines):
    current_programs = []
    for line in lines:
        next_index = lines.index(line) + 1
        # Getting the parts of the current line
        line_arr = clean_split(line.strip(), ' ')
        line_data = {
            'protocol': '',
            'local_ip': '',
            'local_port': 0,
            'remote_ip': '',
            'remote_port': 0,
            'program': 'Unknown'
        }

        # Checking if its a connection line
        if len(line_arr) == 4:
            # Collecting data into dict
            line_arr.pop()
            local_addr = line_arr[1].split(':')
            remote_addr = line_arr[2].split(':')

            line_data['protocol'] = line_arr[0]
            line_data['local_ip'], line_data['local_port'] = local_addr[0], int(local_addr[1])
            line_data['remote_ip'], line_data['remote_port'] = remote_addr[0], int(remote_addr[1])

            # Checking if the next line has the program name, if so getting it
            if next_index < len(lines) and len(clean_split(lines[next_index], ' ')) == 1:
                if lines[next_index].strip().startswith('['):
                    line_data['program'] = lines[next_index].strip()[1:-1]
                elif next_index + 1 < len(lines) and lines[next_index + 1].strip().startswith('['):
                    line_data['program'] = lines[next_index + 1].strip()[1:-1]

            # Adding it to the array of connections
            current_programs.append(line_data)
        else:
            continue

    return current_programs


if not is_admin():
    windll.shell32.ShellExecuteW(None, "runas", executable, __file__, None, 1)


out = popen('netstat -nb').read()
lines = out.strip().splitlines()[3:]
data = process_lines(lines)
print(data)