Devices connected

from bs4 import BeautifulSoup
from appJar import gui
import requests


DEFAULT_LINK = 'http://192.168.15.1/index.html' # Only for Vivo/GVT


def acess_page():
    try:
        req = requests.get(DEFAULT_LINK)
        return req.text
    except Exception as e:
        raise e

def extract_devices(content=None):
    if content is not None:
        soup = BeautifulSoup(content, 'lxml')
        txtarea = soup.find('textarea').text.split('DHCP')
        devices = [d[:d.find('MAC')] for d in txtarea]
        return list(filter(lambda x: len(x)  > 1, devices))
    return -1

def prettify(devices):
    for d in devices:
        yield('{}\n'.format(d.strip().replace('Hostname: ', '')))

content = acess_page()
devices = extract_devices(content)
devices = list(prettify(devices))


class Window(gui):
    """
        Subclassing appJar.gui
    """
    def __init__(self):
        super().__init__()
        self.setTitle('Dispositivos conectados')
        self.setResizable(False)
        self.setSize(350, 200)
        colours = ['white', 'black']
        coloursFg = colours[::-1]
        for i in range(0, len(devices)):
            self.addLabel(i, devices[i], colspan=2)
            self.setLabelBg(i, colours[i%2])
            self.setLabelFg(i, coloursFg[i%2])
        self.addWebLink("Clique aqui para informações em tempo real", DEFAULT_LINK)
        self.go()

Window()