Building an Python IPTV : A Step-by-Step Tutorial

import xml.etree.ElementTree as ET
import datetime

class EPGParser:
    def __init__(self, epg_path):
        self.epg_path = epg_path
        self.programs = {}

    def parse(self):
        """Parse XMLTV format EPG file"""
        tree = ET.parse(self.epg_path)
        root = tree.getroot()

        for program in root.findall('./programme'):
            channel_id = program.get('channel')
            start_time = program.get('start')
            title = program.find('title').text

            if channel_id not in self.programs:
                self.programs[channel_id] = []

            self.programs[channel_id].append({
                'start': self._parse_time(start_time),
                'title': title,
                'description': program.find('desc').text if program.find('desc') is not None else ''
            })

        return self.programs

    def _parse_time(self, time_str):
        """Convert XMLTV time format to datetime"""
        # Format: 20230815143000 +0000
        dt = datetime.datetime.strptime(time_str[:14], '%Y%m%d%H%M%S')
        return dt

class MultiStreamManager:
    def __init__(self):
        self.streams = {}
        self.instance = vlc.Instance('--no-xlib')

    def add_stream(self, stream_id, url):
        """Add a new stream to manage"""
        player = self.instance.media_player_new()
        media = self.instance.media_new(url)
        player.set_media(media)

        self.streams[stream_id] = {
            'player': player,
            'url': url,
            'active': False
        }

    def play_stream(self, stream_id):
        """Start playing a specific stream"""
        if stream_id in self.streams:
            self.streams[stream_id]['player'].play()
            self.streams[stream_id]['active'] = True

    def stop_stream(self, stream_id):
        """Stop a specific stream"""
        if stream_id in self.streams:
            self.streams[stream_id]['player'].stop()
            self.streams[stream_id]['active'] = False

    def get_active_streams(self):
        """Get list of currently active streams"""
        return [sid for sid, data in self.streams.items()
                if data['active']]

import os
import subprocess
import threading
import datetime

class StreamRecorder:
    def __init__(self, output_dir='recordings'):
        self.output_dir = output_dir
        self.recordings = {}

        # Create output directory if it doesn't exist
        if not os.path.exists(output_dir):
            os.makedirs(output_dir)

    def start_recording(self, stream_url, filename=None):
        """Start recording a stream to file"""
        if filename is None:
            timestamp = datetime.datetime.now().strftime('%Y%m%d_%H%M%S')
            filename = f"recording_{timestamp}.mp4"

        output_path = os.path.join(self.output_dir, filename)

        # Use FFmpeg to record the stream
        command = [
            'ffmpeg',
            '-i', stream_url,
            '-c', 'copy',  # Copy without re-encoding
            '-y',  # Overwrite output file if it exists
            output_path
        ]

        process = subprocess.Popen(command)
        recording_id = str(process.pid)

        self.recordings[recording_id] = {
            'process': process,
            'url': stream_url,
            'output_path': output_path,
            'start_time': datetime.datetime.now()
        }

        return recording_id

    def stop_recording(self, recording_id):
        """Stop an active recording"""
        if recording_id in self.recordings:
            self.recordings[recording_id]['process'].terminate()
            return True
        return False

# Example: Implementing token-based authentication
import jwt
import datetime

def generate_stream_token(user_id, stream_id, secret_key, expiry_minutes=30):
    """Generate a JWT token for stream access"""
    payload = {
        'user_id': user_id,
        'stream_id': stream_id,
        'exp': datetime.datetime.utcnow() + datetime.timedelta(minutes=expiry_minutes)
    }
    token = jwt.encode(payload, secret_key, algorithm='HS256')
    return token

# Example: Simple load balancer for stream servers
class StreamLoadBalancer:
    def __init__(self, server_list):
        self.servers = server_list
        self.current_index = 0

    def get_next_server(self):
        """Simple round-robin load balancing"""
        server = self.servers[self.current_index]
        self.current_index = (self.current_index + 1) % len(self.servers)
        return server

# Example: Asynchronous stream processing with asyncio
import asyncio
import aiohttp

async def fetch_stream_segment(session, url):
    async with session.get(url) as response:
        return await response.read()

async def process_stream_segments(segment_urls):
    async with aiohttp.ClientSession() as session:
        tasks = [fetch_stream_segment(session, url)
                for url in segment_urls]
        return await asyncio.gather(*tasks)