A OBS script which sets and swaps players around for tournaments

PlayerControllerListener.py

import obspython as S
import os
import csv

# CONFIG
player_format = "p"
focus_scene = "4 Players"
main_scene = "6 Players"

last_update = 0.0
VERSION = "1.1.0"

path = os.path.dirname(os.path.realpath(__file__))
obstxtPath = os.path.abspath(os.path.realpath(
    os.path.join(path, 'data', 'obs.txt')))


def updatePlayer(number, name):
    print("Updating browser", number, "to be", name)
    source = S.obs_get_source_by_name(f"{player_format}{number}")
    settings = S.obs_source_get_settings(source)
    url = f"https://player.twitch.tv/?channel={name}&enableExtensions=true&muted=true&parent=twitch.tv&player=popout&quality=chunked&volume=0.01"
    S.obs_data_set_string(settings, "url", url)
    S.obs_source_update(source, settings)
    S.obs_source_release(source)
    S.obs_data_release(settings)


def getUserFromSource(number):
    source = S.obs_get_source_by_name(f"{player_format}{number}")
    settings = S.obs_source_get_settings(source)
    url = S.obs_data_get_string(settings, "url")
    S.obs_source_release(source)
    S.obs_data_release(settings)
    return url.split("channel=")[1].split("&enable")[0]


def switchToScene(scene):
    scene_item = S.obs_get_scene_by_name(scene)
    scene_source = S.obs_scene_get_source(scene_item)
    S.obs_scene_release(scene_item)
    if not scene_source:
        print(f"Could not find instance scene '{scene}'")
    S.obs_frontend_set_current_scene(scene_source)


def get_cmd(path):
    cmdFiles = []
    cmd = []
    for _, _, files in os.walk(path):
        for filename in files:
            cmdFiles.append(os.path.abspath(os.path.join(path, filename)))

    oldest_file = min(cmdFiles, key=os.path.getctime)
    while (cmd == []):
        try:
            with open(oldest_file) as cmd_file:
                csv_reader = csv.reader(cmd_file, delimiter=",")
                for row in csv_reader:
                    for value in row:
                        cmd.append(value)
        except:
            cmd = []

    os.remove(oldest_file)
    return


def execute_cmd():
    global last_update
    global player_format
    current_time = os.path.getmtime(obstxtPath)
    if current_time == last_update:
        return
    last_update = current_time

    with open(obstxtPath, "r") as f:
        user_cmd = f.read().strip()
        if user_cmd == "":
            print("Empty command found, will not perform anything.")
        elif user_cmd == "w":
            i = 1
            while(True):
                try:
                    print(f"Player {i}: {getUserFromSource(i)}")
                except:
                    break
                i += 1
        # Switch two
        elif user_cmd.startswith("sw"):
            if user_cmd[2].isnumeric() and user_cmd[3].isnumeric():
                if user_cmd[2] != user_cmd[3]:
                    a, b = getUserFromSource(
                        user_cmd[2]), getUserFromSource(user_cmd[3])
                    updatePlayer(int(user_cmd[2]), b)
                    updatePlayer(int(user_cmd[3]), a)

        # Set
        elif user_cmd.startswith("s"):
            if user_cmd[1].isnumeric():
                number, name = user_cmd[1].strip(), user_cmd[2:].strip()
                updatePlayer(int(number), name)

        # Focus
        elif user_cmd.startswith("f"):
            if user_cmd[1].isnumeric():
                if user_cmd[1] != "1":
                    current_focus = getUserFromSource(1)
                    updatePlayer(int(user_cmd[1]), current_focus)
                    updatePlayer(1, user_cmd[2:])
                switchToScene(focus_scene)

        # Focus
        elif user_cmd.startswith("m"):
            switchToScene(main_scene)
        else:
            print("Didn't recognize your command, try again.")


def script_description():
    return f"Tournanment Player Controller {VERSION}.\n"


def script_update(settings):
    with open(obstxtPath, "w") as f:
        pass
    S.timer_remove(execute_cmd)
    S.timer_add(execute_cmd, 100)