root
a89c7894cf
Backend: - FastAPI avec PostgreSQL et Redis - Authentification JWT complète - API REST pour musique, playlists, recherche - Streaming audio via yt-dlp - SQLAlchemy 2.0 async Frontend: - Flutter avec thème néon cyberpunk - State management Riverpod - Layout adaptatif desktop/mobile - Lecteur audio avec mini-player Infrastructure: - Docker Compose (PostgreSQL + Redis) - Scripts d'installation automatisés - Scripts de build pour exécutables Fichiers ajoutés: - BUILD_CLIENT_*.bat/sh: Scripts de compilation - BUILD_CLIENT_README.md: Documentation compilation - CHECK_FLUTTER.sh: Vérificateur d'environnement - requirements.txt mis à jour pour Python 3.13 - Modèles SQLAlchemy corrigés (metadata -> extra_metadata) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
296 lines
8.5 KiB
Python
296 lines
8.5 KiB
Python
"""YouTube service using yt-dlp."""
|
|
import asyncio
|
|
import json
|
|
import subprocess
|
|
from pathlib import Path
|
|
from typing import List, Optional, Dict, Any
|
|
from uuid import uuid4
|
|
|
|
from app.core.config import settings
|
|
|
|
|
|
class YouTubeService:
|
|
"""Service for YouTube operations using yt-dlp."""
|
|
|
|
def __init__(self):
|
|
self.ytdlp_path = settings.YTDLP_PATH
|
|
self.cache_dir = Path(settings.AUDIO_CACHE_PATH)
|
|
self.cache_dir.mkdir(parents=True, exist_ok=True)
|
|
|
|
async def search(
|
|
self,
|
|
query: str,
|
|
max_results: int = 20,
|
|
search_type: str = "videos",
|
|
) -> List[Dict[str, Any]]:
|
|
"""
|
|
Search YouTube for videos.
|
|
|
|
Args:
|
|
query: Search query
|
|
max_results: Maximum number of results
|
|
search_type: Type of search (videos, playlists, etc.)
|
|
|
|
Returns:
|
|
List of search results
|
|
"""
|
|
cmd = [
|
|
self.ytdlp_path,
|
|
"ytsearch" + str(max_results) + ":" + query,
|
|
"--dump-json",
|
|
"--flat-playlist",
|
|
"--skip-download",
|
|
"--no-warnings",
|
|
]
|
|
|
|
try:
|
|
process = await asyncio.create_subprocess_exec(
|
|
*cmd,
|
|
stdout=asyncio.subprocess.PIPE,
|
|
stderr=asyncio.subprocess.PIPE,
|
|
)
|
|
stdout, stderr = await process.communicate()
|
|
|
|
if process.returncode != 0:
|
|
error_msg = stderr.decode() if stderr else "Unknown error"
|
|
print(f"yt-dlp search error: {error_msg}")
|
|
return []
|
|
|
|
# Parse JSON output (one line per video)
|
|
results = []
|
|
for line in stdout.decode().split("\n"):
|
|
if not line.strip():
|
|
continue
|
|
try:
|
|
data = json.loads(line)
|
|
results.append(self._parse_search_result(data))
|
|
except json.JSONDecodeError:
|
|
continue
|
|
|
|
return results
|
|
|
|
except Exception as e:
|
|
print(f"Error searching YouTube: {e}")
|
|
return []
|
|
|
|
def _parse_search_result(self, data: Dict[str, Any]) -> Dict[str, Any]:
|
|
"""Parse yt-dlp search result."""
|
|
return {
|
|
"youtube_id": data.get("id", ""),
|
|
"title": data.get("title", ""),
|
|
"artist": data.get("artist", data.get("uploader", "")),
|
|
"duration": self._parse_duration(data.get("duration")),
|
|
"thumbnail": data.get("thumbnail"),
|
|
"url": f"https://www.youtube.com/watch?v={data.get('id', '')}",
|
|
}
|
|
|
|
def _parse_duration(self, duration: Optional[int]) -> Optional[int]:
|
|
"""Parse duration in seconds."""
|
|
if duration is None:
|
|
return None
|
|
return int(duration)
|
|
|
|
async def get_video_info(self, video_id: str) -> Optional[Dict[str, Any]]:
|
|
"""
|
|
Get detailed information about a video.
|
|
|
|
Args:
|
|
video_id: YouTube video ID
|
|
|
|
Returns:
|
|
Video information or None
|
|
"""
|
|
url = f"https://www.youtube.com/watch?v={video_id}"
|
|
|
|
cmd = [
|
|
self.ytdlp_path,
|
|
url,
|
|
"--dump-json",
|
|
"--skip-download",
|
|
"--no-warnings",
|
|
]
|
|
|
|
try:
|
|
process = await asyncio.create_subprocess_exec(
|
|
*cmd,
|
|
stdout=asyncio.subprocess.PIPE,
|
|
stderr=asyncio.subprocess.PIPE,
|
|
)
|
|
stdout, stderr = await process.communicate()
|
|
|
|
if process.returncode != 0:
|
|
return None
|
|
|
|
data = json.loads(stdout.decode())
|
|
return self._parse_video_info(data)
|
|
|
|
except Exception as e:
|
|
print(f"Error getting video info: {e}")
|
|
return None
|
|
|
|
def _parse_video_info(self, data: Dict[str, Any]) -> Dict[str, Any]:
|
|
"""Parse yt-dlp video info."""
|
|
return {
|
|
"youtube_id": data.get("id", ""),
|
|
"title": data.get("title", ""),
|
|
"artist": data.get("artist", data.get("uploader", "")),
|
|
"album": data.get("album", ""),
|
|
"duration": self._parse_duration(data.get("duration")),
|
|
"thumbnail": data.get("thumbnail"),
|
|
"description": data.get("description"),
|
|
"genres": data.get("genres", []),
|
|
"upload_date": data.get("upload_date"),
|
|
}
|
|
|
|
async def get_stream_url(self, video_id: str) -> Optional[str]:
|
|
"""
|
|
Get direct stream URL for a video.
|
|
|
|
Args:
|
|
video_id: YouTube video ID
|
|
|
|
Returns:
|
|
Stream URL or None
|
|
"""
|
|
url = f"https://www.youtube.com/watch?v={video_id}"
|
|
|
|
cmd = [
|
|
self.ytdlp_path,
|
|
url,
|
|
"--get-url",
|
|
"--format",
|
|
"bestaudio[ext=m4a]/bestaudio/best",
|
|
"--no-warnings",
|
|
]
|
|
|
|
try:
|
|
process = await asyncio.create_subprocess_exec(
|
|
*cmd,
|
|
stdout=asyncio.subprocess.PIPE,
|
|
stderr=asyncio.subprocess.PIPE,
|
|
)
|
|
stdout, stderr = await process.communicate()
|
|
|
|
if process.returncode != 0:
|
|
return None
|
|
|
|
stream_url = stdout.decode().strip()
|
|
return stream_url if stream_url else None
|
|
|
|
except Exception as e:
|
|
print(f"Error getting stream URL: {e}")
|
|
return None
|
|
|
|
async def download_audio(
|
|
self,
|
|
video_id: str,
|
|
quality: str = "high",
|
|
) -> Optional[Path]:
|
|
"""
|
|
Download audio from YouTube and cache it.
|
|
|
|
Args:
|
|
video_id: YouTube video ID
|
|
quality: Audio quality (low, medium, high)
|
|
|
|
Returns:
|
|
Path to downloaded file or None
|
|
"""
|
|
url = f"https://www.youtube.com/watch?v={video_id}"
|
|
cache_path = self.cache_dir / f"{video_id}.mp3"
|
|
|
|
# Check if already cached
|
|
if cache_path.exists():
|
|
return cache_path
|
|
|
|
# Determine format based on quality
|
|
if quality == "high":
|
|
audio_format = "320"
|
|
elif quality == "medium":
|
|
audio_format = "192"
|
|
else:
|
|
audio_format = "128"
|
|
|
|
cmd = [
|
|
self.ytdlp_path,
|
|
url,
|
|
"--extract-audio",
|
|
"--audio-format",
|
|
"mp3",
|
|
"--audio-quality",
|
|
audio_format,
|
|
"--output",
|
|
str(cache_path),
|
|
"--no-warnings",
|
|
]
|
|
|
|
try:
|
|
process = await asyncio.create_subprocess_exec(
|
|
*cmd,
|
|
stdout=asyncio.subprocess.PIPE,
|
|
stderr=asyncio.subprocess.PIPE,
|
|
)
|
|
stdout, stderr = await process.communicate()
|
|
|
|
if process.returncode != 0:
|
|
error_msg = stderr.decode() if stderr else "Unknown error"
|
|
print(f"Error downloading audio: {error_msg}")
|
|
return None
|
|
|
|
return cache_path if cache_path.exists() else None
|
|
|
|
except Exception as e:
|
|
print(f"Error downloading audio: {e}")
|
|
return None
|
|
|
|
async def get_related_videos(self, video_id: str, max_results: int = 10) -> List[Dict[str, Any]]:
|
|
"""
|
|
Get related videos for a video.
|
|
|
|
Args:
|
|
video_id: YouTube video ID
|
|
max_results: Maximum number of results
|
|
|
|
Returns:
|
|
List of related videos
|
|
"""
|
|
url = f"https://www.youtube.com/watch?v={video_id}"
|
|
|
|
cmd = [
|
|
self.ytdlp_path,
|
|
url,
|
|
"--flat-playlist",
|
|
"--playlist-end",
|
|
str(max_results),
|
|
"--dump-json",
|
|
"--no-warnings",
|
|
]
|
|
|
|
try:
|
|
process = await asyncio.create_subprocess_exec(
|
|
*cmd,
|
|
stdout=asyncio.subprocess.PIPE,
|
|
stderr=asyncio.subprocess.PIPE,
|
|
)
|
|
stdout, stderr = await process.communicate()
|
|
|
|
if process.returncode != 0:
|
|
return []
|
|
|
|
results = []
|
|
for line in stdout.decode().split("\n"):
|
|
if not line.strip():
|
|
continue
|
|
try:
|
|
data = json.loads(line)
|
|
if data.get("id") != video_id: # Exclude the video itself
|
|
results.append(self._parse_search_result(data))
|
|
except json.JSONDecodeError:
|
|
continue
|
|
|
|
return results
|
|
|
|
except Exception as e:
|
|
print(f"Error getting related videos: {e}")
|
|
return []
|