discover_devices

#!/usr/bin/python3

from prettytable import PrettyTable
import pychromecast

# Fetch known devices
pf = open("known_devices.txt", "r")
known_devices = pf.read().strip()
pf.close()
known_devices_array = []
if known_devices:
    known_devices_array = known_devices.split(',')
    print('Previosly known chromecasts:')
    ip_table = PrettyTable()
    ip_table.field_names = ["ip"]
    for device in known_devices_array:
        ip_table.add_row([device])
    print(ip_table)
else:
    print('No previously known chromecasts')
# Discover devices
print('Searching chromecasts...')
if len(known_devices_array) > 0:
    services, browser = pychromecast.discovery.discover_chromecasts(known_hosts=known_devices_array)
else:
    services, browser = pychromecast.discovery.discover_chromecasts()
# Stop discovery
pychromecast.discovery.stop_discovery(browser)
# print chromecasts
if services:
    ips = []
    chromecast_count = len(services)
    print('Found ' + str(chromecast_count) + ' chromecasts.')
    # print(services)
    table = PrettyTable()
    table.field_names = ["name", "ip", "port", "uuid", "type"]
    for chromecast in services:
        ip = chromecast.host
        port = chromecast.port
        uuid = chromecast.uuid
        c_type = chromecast.model_name
        name = chromecast.friendly_name
        ips.append(ip)
        table.add_row([name, ip, port, uuid, c_type])

    f = open("known_devices.txt", "w")
    f.write(','.join(ips))
    f.close()
    print(table)
else:
    print('No devices found')
quit()