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FROM python:3.11-slim
RUN apt-get update && apt-get install -y \
ffmpeg \
fonts-noto-cjk \
fonts-noto-color-emoji \
fonts-liberation \
&& rm -rf /var/lib/apt/lists/*
WORKDIR /app
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt
COPY . .
CMD ["python", "main.py"]

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version: '3.8'
services:
stream:
build: .
environment:
- API_HOST=https://new.akarpov.ru
- WEB_HOST=https://next.akarpov.ru
- RTMP_URL=rtmp://your.rtmp.server/live/stream_key
- TELEGRAM_TOKEN=your_bot_token_here
- ADMIN_IDS=123,321 # Comma-separated list of Telegram user IDs
volumes:
- /tmp:/tmp
restart: unless-stopped

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import asyncio
import os
import queue
import random
import signal
import subprocess
import threading
import aiohttp
import requests
import time
from PIL import Image, ImageDraw, ImageFont, UnidentifiedImageError
from io import BytesIO
from colorthief import ColorThief
from urllib.parse import urljoin
from qrcode.main import QRCode
from telegram import Update
from telegram.ext import (
CallbackContext,
MessageHandler,
filters,
CommandHandler,
Application,
)
class StreamBot:
def __init__(self, api_host):
self.api_host = api_host.rstrip("/")
self.queue = None
self.admin_ids = list(map(int, os.getenv("ADMIN_IDS", "").split(",")))
# Initialize bot
self.app = Application.builder().token(os.getenv("TELEGRAM_TOKEN")).build()
# Add handlers
self.app.add_handler(CommandHandler("next", self.next_song))
self.app.add_handler(CommandHandler("play", self.play_song))
self.app.add_handler(CommandHandler("start", self.start))
self.app.add_handler(CommandHandler("help", self.help))
self.app.add_handler(
MessageHandler(filters.TEXT & ~filters.COMMAND, self.search_song)
)
def is_admin(self, user_id: int) -> bool:
return user_id in self.admin_ids
async def start(self, update, context):
await update.message.reply_text(
"Welcome to the stream bot. Use /play <song_slug> to play a song."
" Use /help for more information."
" Use /next to skip to the next song."
)
async def help(self, update, context):
await update.message.reply_text(
"Use /play <song_slug> to play a song."
" Use /next to skip to the next song."
)
async def next_song(self, update, context):
if not self.is_admin(update.effective_user.id):
await update.message.reply_text(
"You're not authorized to control the stream."
)
return
if self.queue:
self.queue.put({"action": "next"})
await update.message.reply_text("Skipping to next song...")
async def play_song(self, update, context):
if not self.is_admin(update.effective_user.id):
await update.message.reply_text(
"You're not authorized to control the stream."
)
return
if not context.args:
await update.message.reply_text("Usage: /play <song_slug>")
return
slug = context.args[0]
if self.queue:
self.queue.put({"action": "play", "slug": slug})
await update.message.reply_text(f"Playing song with slug: {slug}")
async def search_song(self, update, context):
query = update.message.text
try:
response = requests.get(
f"{self.api_host}/api/v1/music/song/?search={query}"
)
response.raise_for_status()
data = response.json()
if not data.get("results"):
await update.message.reply_text("No songs found.")
return
songs = data["results"][:5] # Limit to 5 results
response_text = "Found songs:\n"
for song in songs:
authors = ", ".join(a["name"] for a in song["authors"])
response_text += (
f"\n{song['name']} by {authors}\nSlug: {song['slug']}\n"
)
response_text += "\nUse /play <slug> to play a song"
await update.message.reply_text(response_text)
except Exception as e:
await update.message.reply_text(f"Error searching for songs: {str(e)}")
def run(self):
self.app.run_polling(allowed_updates=True)
def run_stream_service(service):
"""Function to run stream service in a separate thread"""
try:
service.stream()
except Exception as e:
print(f"Stream service error: {e}")
class StreamService:
def __init__(self, api_host, rtmp_url, web_host):
self.qr_color = None
self.bg_color = None
self.api_host = api_host.rstrip("/")
self.web_host = web_host.rstrip("/")
self.rtmp_url = rtmp_url
self.overlay_path = "/tmp/overlay.png"
self.session = requests.Session()
self.command_queue = queue.Queue()
self.current_process = None
# Automatically find a font that supports Unicode characters
self.font_path = self.find_font()
if not self.font_path:
raise FileNotFoundError("No suitable font file found on the system.")
def find_font(self):
possible_paths = [
"/usr/share/fonts/nerd-fonts-git/TTF/DejaVu Sans Mono Nerd Font Complete Mono.ttf", # Linux
"/usr/share/fonts/noto/NotoSans-Regular.ttf", # Linux
"/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf", # Linux
"/usr/share/fonts/truetype/liberation/LiberationSans-Regular.ttf", # Linux
"/usr/share/fonts/truetype/freefont/FreeSans.ttf", # Linux
"/Library/Fonts/Arial Unicode.ttf", # macOS
"C:\\Windows\\Fonts\\arial.ttf", # Windows
"C:\\Windows\\Fonts\\Arial.ttf", # Windows alternative
]
for path in possible_paths:
if os.path.isfile(path):
return path
return None
def get_full_url(self, path):
if not path:
return None
if path.startswith("http"):
return path
return urljoin(self.api_host, path)
def get_song_slugs(self):
retries = 3
while retries > 0:
try:
response = self.session.get(f"{self.api_host}/api/v1/music/song/slugs/")
response.raise_for_status()
return response.json()["songs"]
except requests.exceptions.RequestException as e:
print(f"Failed to get slugs: {e}")
retries -= 1
time.sleep(5)
return []
def get_song_info(self, slug):
retries = 3
while retries > 0:
try:
response = self.session.get(f"{self.api_host}/api/v1/music/song/{slug}")
if response.status_code == 200:
return response.json()
else:
print(f"Failed to get song info: HTTP {response.status_code}")
return None
except requests.exceptions.RequestException as e:
print(f"Failed to get song info: {e}")
retries -= 1
time.sleep(5)
raise Exception(f"Failed to get song info after retries: {slug}")
def get_image_from_url(self, url):
if not url:
return None
full_url = self.get_full_url(url)
try:
response = self.session.get(full_url, timeout=10)
response.raise_for_status()
return Image.open(BytesIO(response.content))
except requests.exceptions.RequestException as e:
print(f"Error fetching image from {full_url}: {e}")
return None
except UnidentifiedImageError as e:
print(f"Error opening image from {full_url}: {e}")
return None
def get_dominant_colors(self, image):
try:
img_file = BytesIO()
image.save(img_file, "PNG")
img_file.seek(0)
color_thief = ColorThief(img_file)
palette = color_thief.get_palette(color_count=2, quality=1)
if len(palette) >= 2:
return palette[0], palette[1]
elif len(palette) == 1:
return palette[0], (200, 200, 200)
else:
return (30, 30, 30), (200, 200, 200)
except Exception as e:
print(f"Error extracting colors: {e}")
return (30, 30, 30), (200, 200, 200)
def get_song_image(self, song_info):
# Try track image -> album image -> author image
for img_source in [
song_info.get("image"),
song_info.get("album", {}).get("image_cropped"),
song_info.get("authors", [{}])[0].get("image_cropped"),
]:
if img_source:
img = self.get_image_from_url(img_source)
if img:
return img
return None
def create_qr(self, album_slug, song_slug):
url = f"{self.web_host}/music/albums/{album_slug}#{song_slug}"
qr = QRCode(version=1, box_size=5, border=2)
qr.add_data(url)
qr.make(fit=True)
return qr.make_image(
fill_color=f"rgb{self.qr_color}", back_color=f"rgb{self.bg_color}"
)
def create_overlay(self, song_info):
width, height = 1280, 720
# Get colors from artwork
self.bg_color = (15, 15, 15)
text_color = (255, 255, 255, 255)
secondary_color = (180, 180, 180, 255)
self.qr_color = (255, 255, 255)
artwork = None
for img_source in [
song_info.get("image"),
song_info.get("album", {}).get("image_cropped"),
]:
if img_source:
artwork = self.get_image_from_url(img_source)
if artwork:
try:
bg, text = self.get_dominant_colors(artwork)
self.bg_color = bg
text_color = (*text, 255)
self.qr_color = text
secondary_color = tuple(int(c * 0.7) for c in text) + (255,)
break
except Exception as e:
print(f"Color extraction failed: {e}")
img = Image.new("RGBA", (width, height), (*self.bg_color, 255))
draw = ImageDraw.Draw(img)
title_font = ImageFont.truetype(self.font_path, size=40)
artist_font = ImageFont.truetype(self.font_path, size=36)
info_font = ImageFont.truetype(self.font_path, size=28)
artwork_size = 400
padding = 40
left_margin = 50
info_x = left_margin + artwork_size + padding * 2
max_text_width = width - info_x - padding * 3
# Paste artwork
if artwork:
artwork = artwork.resize((artwork_size, artwork_size), Image.LANCZOS)
img.paste(artwork, (left_margin, (height - artwork_size) // 2))
y = (height - artwork_size) // 2 + 20
def wrap_text(text, font, max_width):
words = text.split()
lines = []
current_line = []
current_width = 0
for word in words:
word_width = font.getlength(word + " ")
if current_width + word_width <= max_width:
current_line.append(word)
current_width += word_width
else:
lines.append(" ".join(current_line))
current_line = [word]
current_width = word_width
lines.append(" ".join(current_line))
return lines
title_lines = wrap_text(song_info["name"], title_font, max_text_width)
for line in title_lines:
draw.text((info_x, y), line, fill=text_color, font=title_font)
y += 50
y += 10
authors = song_info.get("authors", [])
if authors:
artists = ", ".join(a["name"] for a in authors)
artist_lines = wrap_text(artists, artist_font, max_text_width)
for line in artist_lines:
draw.text((info_x, y), line, fill=text_color, font=artist_font)
y += 45
y += 10
meta = song_info.get("meta", {})
genre = meta.get("genre", "").title() if meta else ""
if genre:
draw.text(
(info_x, y), f"Genre: {genre}", fill=secondary_color, font=info_font
)
y += 40
album = song_info.get("album")
if album:
album_lines = wrap_text(
f"Album: {album['name']}", info_font, max_text_width
)
for line in album_lines:
draw.text((info_x, y), line, fill=secondary_color, font=info_font)
y += 40
release_date = meta.get("release", "").split("T")[0] if meta else ""
if release_date:
draw.text(
(info_x, y),
f"Released: {release_date}",
fill=secondary_color,
font=info_font,
)
y += 40
if album:
qr_size = 120
try:
qr_img = self.create_qr(album["slug"], song_info.get("slug", ""))
qr_img = qr_img.resize((qr_size, qr_size))
qr_pos = (width - qr_size - padding, height - qr_size - padding)
img.paste(qr_img, qr_pos)
except Exception as e:
print(f"QR code generation failed: {e}")
img.save(self.overlay_path, "PNG")
def stream_song(self, song_info):
song_file = self.get_full_url(song_info["file"])
length = song_info.get("length", None)
if not length:
raise ValueError("Song length is required")
print(f"Processing '{song_info['name']}' with length {length} seconds")
if self.current_process:
print("Stopping previous song...")
self.current_process.terminate()
try:
self.current_process.wait(timeout=5)
except subprocess.TimeoutExpired:
self.current_process.kill()
self.current_process.wait()
self.current_process = None
cmd = [
"ffmpeg",
"-re",
"-i",
song_file,
"-stream_loop",
"-1",
"-i",
self.overlay_path,
"-c:a",
"aac",
"-c:v",
"libx264",
"-filter:a",
"volume=0.5",
"-preset",
"veryfast",
"-b:a",
"192k",
"-ar",
"44100",
"-r",
"30",
"-pix_fmt",
"yuv420p",
"-t",
str(length),
"-y",
"-f",
"flv",
self.rtmp_url,
]
self.current_process = subprocess.Popen(cmd)
start_time = time.time()
while self.current_process.poll() is None:
# Check command queue every second
try:
cmd = self.command_queue.get_nowait()
if cmd["action"] in ["next", "play"]:
print("Received command during playback, stopping current song...")
self.current_process.terminate()
try:
self.current_process.wait(timeout=5)
except subprocess.TimeoutExpired:
self.current_process.kill()
self.current_process.wait()
self.current_process = None
return False # Signal that we were interrupted
except queue.Empty:
pass
time.sleep(1)
elapsed = time.time() - start_time
if elapsed >= length:
break
if self.current_process:
self.current_process.terminate()
try:
self.current_process.wait(timeout=5)
except subprocess.TimeoutExpired:
self.current_process.kill()
self.current_process.wait()
self.current_process = None
return True # Signal normal completion
def stream(self):
while True:
try:
# Check for commands
try:
cmd = self.command_queue.get_nowait()
if cmd["action"] == "next":
print("Skipping to next song...")
if self.current_process:
print("Stopping current song...")
self.current_process.terminate()
self.current_process.wait()
self.current_process = None
continue
elif cmd["action"] == "play":
song_info = self.get_song_info(cmd["slug"])
if song_info:
if song_info.get("meta", {}).get("genre", "").lower() in [
"rusrap"
]:
print(
f"Skipping {song_info['name']} because of genre 🤮"
)
continue
print(f"Playing requested song: {song_info['name']}")
self.create_overlay(song_info)
self.stream_song(song_info)
continue
except queue.Empty:
pass
slugs = self.get_song_slugs()
if not slugs:
time.sleep(10)
continue
random.shuffle(slugs)
for slug in slugs:
try:
# Check for commands again
if not self.command_queue.empty():
break
song_info = self.get_song_info(slug)
if not song_info:
continue
if song_info.get("meta", {}).get("genre", "").lower() in [
"rusrap"
]:
print(f"Skipping {song_info['name']} because of genre 🤮")
continue
print(f"Starting stream for {song_info['name']}")
self.create_overlay(song_info)
if not self.stream_song(song_info): # If interrupted
break
print(f"Finished streaming {song_info['name']}")
except Exception as e:
print(f"Error processing song {slug}: {e}")
if self.current_process:
self.current_process.terminate()
self.current_process.wait()
self.current_process = None
time.sleep(5)
except Exception as e:
print(f"Stream error: {e}")
if self.current_process:
self.current_process.terminate()
self.current_process.wait()
self.current_process = None
time.sleep(5)
def cleanup(self):
if self.current_process:
print("Cleaning up stream process...")
self.current_process.terminate()
try:
self.current_process.wait(timeout=5)
except subprocess.TimeoutExpired:
self.current_process.kill()
self.current_process.wait()
self.current_process = None
if __name__ == "__main__":
API_HOST = os.getenv("API_HOST", "https://new.akarpov.ru")
WEB_HOST = os.getenv("WEB_HOST", "https://next.akarpov.ru")
RTMP_URL = os.getenv("RTMP_URL")
TELEGRAM_TOKEN = os.getenv("TELEGRAM_TOKEN")
ADMIN_IDS = os.getenv("ADMIN_IDS")
if not all([RTMP_URL, TELEGRAM_TOKEN, ADMIN_IDS]):
print("Missing required environment variables")
exit(1)
# Initialize services
service = StreamService(API_HOST, RTMP_URL, WEB_HOST)
bot = StreamBot(API_HOST)
bot.queue = service.command_queue
# Run stream service in separate thread
service_thread = threading.Thread(target=run_stream_service, args=(service,))
service_thread.daemon = True
service_thread.start()
# Run bot in main thread
try:
bot.run()
except KeyboardInterrupt:
print("\nStopping the bot...")
if service:
service.cleanup()

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ffmpeg-python
Pillow
qrcode
colorthief
requests
numpy
python-telegram-bot
aiohttp