main.py

import get_meetings
import subprocess
import datetime
import os
import json
import time
import sys
import discord
from smb.SMBConnection import SMBConnection

RECORD_PATH = "recordings"
LISTENING_VIDEO_PATH = "listening.mkv"
VIRTUAL_CAMERA_PATH = "/dev/video2"
PULSEAUDIO_INDEX = 5
X_OFFSET = sys.argv[1]
PULSEAUDIO_INDEX = sys.argv[2]
AUTO_LOGIN = sys.argv[3] == 1

RECORD_TEMPLATE = ["ffmpeg", "-nostdin", "-video_size", "1920x1080", "-f", "x11grab", "-i", ":0.0+{},0".format(X_OFFSET), "-f", "pulse", "-ac", "2", "-i", str(PULSEAUDIO_INDEX), "-vcodec", "libx264", "-crf", "0", "-preset", "ultrafast", "-acodec", "pcm_s16le"]
CAMERA_TEMPLATE = ["ffmpeg", "-re", "-i", LISTENING_VIDEO_PATH, "-map", "0:v", "-f", "v4l2", VIRTUAL_CAMERA_PATH]
COMPRESSION_TEMPLATE = ["ffmpeg", "-i", None, "-vcodec", "libx265", "-crf", "28", None]


if not os.path.exists(VIRTUAL_CAMERA_PATH):
    os.system("sudo modprobe -r v4l2loopback")
    os.system("sudo modprobe v4l2loopback")

if not os.path.exists(RECORD_PATH):
    os.mkdir(RECORD_PATH)

with open("config.json", "r") as f:
    config = json.loads(f.read())
    creds = config["creds"]
    backup_creds = config["backup"]
    DISCORD = config["discord"]

next_day = datetime.datetime.today()

def backup(directory):
    conn = SMBConnection(backup_creds["user"], backup_creds["password"],
                         backup_creds["server_name"], backup_creds["server_name"], use_ntlm_v2 = True)
    conn.connect(backup_creds["ip"])
    path = "/"
    files = conn.listPath(backup_creds["share"], path)
    for i in backup_creds["path"].split("/"):
        exists = False
        path += i + "/"
        for f in files:
            if f.filename == i:
                if f.isDirectory:
                    exists = True
                    break
        if not exists:
            try:
                conn.createDirectory(backup_creds["share"],path)
            except Exception as e:
                print(e)
                return 1
        files = conn.listPath(backup_creds["share"], path)

    folder = conn.getAttributes(backup_creds["share"], backup_creds["path"])
    if folder.isReadOnly:
        print("BACKUP PATH IS READONLY")
        return 1

    local_path = os.path.join(RECORD_PATH, directory)
    remote_path = os.path.join(backup_creds["path"], directory)
    files = conn.listPath(backup_creds["share"], backup_creds["path"])
    for f in files:
        if f.filename == directory:
            print("ALREADY BACKED UP")
            return
    conn.createDirectory(backup_creds["share"], remote_path)
    print("STARTING BACKUP")
    for i in os.listdir(local_path):
        with open(os.path.join(local_path, i), "rb") as f:
            print(i)
            conn.storeFile(backup_creds["share"],
                           os.path.join(remote_path, i),
                           f)
    conn.close()
    print("DONE BACKING UP")

if(not AUTO_LOGIN):
    client = discord.Client()

    @client.event
    async def on_ready():
        print(f'{client.user} has connected to Discord!')
        meetings = get_meetings.get_meetings(creds["TC"], creds["passwd"])
        msg = ""
        for m in meetings:
            msg += "{}: **{}**  <{}>\n".format(m["time"],m["class"],m["http_url"])
        await client.get_guild(int(DISCORD["guild"])).get_channel(int(DISCORD["channel"])).send(msg)
        await client.close()

    client.run(DISCORD["token"])

while True:
    if not AUTO_LOGIN:
        break
    now = datetime.datetime.today()
    while now < next_day:
        time.sleep(7200)
        now = datetime.datetime.today()
    print("NEW DAY")
    print("GENERATING MEETING LIST")
    meetings = get_meetings.get_meetings(creds["TC"], creds["passwd"])
    print("DONE\n")

    day = datetime.datetime.today().strftime("%d_%m_%Y")
    next_day = datetime.datetime.strptime("{} 00:00:00".format(day), '%d_%m_%Y %H:%M:%S') + datetime.timedelta(days = 1)
    if not os.path.exists(os.path.join(RECORD_PATH, day)):
        os.mkdir(os.path.join(RECORD_PATH, day))
    video_recording = None
    camera_mirroring = None
    k = None
    for k,i in enumerate(meetings):
        now = datetime.datetime.today()
        meeting_time = datetime.datetime.strptime("{} {}:00".format(day, i["time"]), '%d_%m_%Y %H:%M:%S')
        end_time = datetime.datetime.strptime("{} {}:00".format(day, i["time"]), '%d_%m_%Y %H:%M:%S')+ datetime.timedelta(minutes = 30)
        if meeting_time < now:
            continue
        if camera_mirroring:
            while now < end_time:
                time.sleep(30)
                now = datetime.datetime.today()
            print("CLASS FINISHED, TERMINATING PREVIOUS RECORDINGS\n")
            if video_recording:
                video_recording.terminate()
                video_recording = None
            camera_mirroring.terminate()
        print(i["time"])
        print(i["class"])
        while now < meeting_time:
            time.sleep(30)
            now = datetime.datetime.today()
        print("STARTING")
        kill_proc = subprocess.Popen(["killall","-9","zoom"], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
        kill_proc.wait() # Kill all zoom instances before entering a new meeting
        subprocess.Popen(["xdg-open", i["meeting_url"]], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
        cmd = RECORD_TEMPLATE + [os.path.join(RECORD_PATH, day, "{}.{}.mkv".format(k, i["class"]))]
        if os.path.exists(os.path.join(RECORD_PATH, day, "{}.{}.mkv".format(k, i["class"]))):
            os.remove(os.path.join(RECORD_PATH, day, "{}.{}.mkv".format(k, i["class"])))
        blacklisted = False
        for j in config["blacklisted"]:
            if j in i["class"]:
                blacklisted = True
        if not blacklisted:
            video_recording = subprocess.Popen(cmd, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
        camera_mirroring = subprocess.Popen(CAMERA_TEMPLATE, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
    if k:
        end_time = datetime.datetime.strptime("{} {}:00".format(day, meetings[k]["time"]), '%d_%m_%Y %H:%M:%S')+ datetime.timedelta(minutes = 30)
        while now < end_time:
            time.sleep(30)
            now = datetime.datetime.today()
        print("CLASS FINISHED, TERMINATING PREVIOUS RECORDINGS\n")
        if video_recording:
            video_recording.terminate()
        if camera_mirroring:
            camera_mirroring.terminate()
    print("\nALL CLASSES RECORDED\n")
    todays_recordings_path = os.path.join(RECORD_PATH, day)
    recordings = os.listdir(todays_recordings_path)
    for r in recordings:
        if r[-3:] != "mkv":
            continue
        COMPRESSION_TEMPLATE[2] = os.path.join(todays_recordings_path, r)
        COMPRESSION_TEMPLATE[-1] = os.path.join(todays_recordings_path, r[:-3] + ".mp4")
        print("COMPRESSING " + r)
        compression_process = subprocess.Popen(COMPRESSION_TEMPLATE, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
        exit_code = compression_process.wait()
        print("FFMPEG EXITED WITH STATUS CODE {}".format(exit_code))
        if exit_code == 0:
            os.remove(COMPRESSION_TEMPLATE[2])

    backup(day)