import shutil from fastapi import FastAPI, HTTPException from deezspot.deezloader import DeeLogin from deezspot.spotloader import SpoLogin import requests import os import logging import json from typing import Optional from fastapi.staticfiles import StaticFiles from dotenv import load_dotenv from pydantic import BaseModel from urllib.parse import quote from pathlib import Path import uuid from fastapi import BackgroundTasks import gc # Set up logging logging.basicConfig(level=logging.INFO) logger = logging.getLogger(__name__) app = FastAPI(title="Deezer API") # Load environment variables load_dotenv() # Mount a static files directory to serve downloaded files os.makedirs("downloads", exist_ok=True) app.mount("/downloads", StaticFiles(directory="downloads"), name="downloads") # Deezer API base URL DEEZER_API_URL = "https://api.deezer.com" # Base URL for the server BASE_URL = "https://tecuts-depot.hf.space" # Deezer ARL token (required for deezspot downloads) ARL_TOKEN = os.getenv('ARL') #dl = DeeLogin(arl=ARL_TOKEN) # Spotify credentials from environment variables SPOTIFY_USERNAME = os.getenv("SPOTIFY_USERNAME") SPOTIFY_CREDENTIALS = os.getenv("SPOTIFY_CREDENTIALS") if not SPOTIFY_USERNAME or not SPOTIFY_CREDENTIALS: raise RuntimeError("Spotify credentials not found in environment variables") # Create a temporary credentials.json file #CREDENTIALS_PATH = "/tmp/credentials.json" ''' with open(CREDENTIALS_PATH, "w") as f: json.dump({ "username": SPOTIFY_USERNAME, "credentials": SPOTIFY_CREDENTIALS, "type": "AUTHENTICATION_STORED_SPOTIFY_CREDENTIALS" }, f) ''' # Initialize Spotify client CREDENTIALS_PATH = "/app/credentials.json" #spo = SpoLogin(credentials_path=CREDENTIALS_PATH) # 定义请求体模型 class DownloadRequest(BaseModel): url: str quality: str def cleanup_dir(dir_path: Path): """Background task to clean up directory""" try: shutil.rmtree(dir_path) logger.info(f"Cleaned up directory: {dir_path}") except Exception as e: logger.error(f"Error cleaning up {dir_path}: {e}") ''' spo = SpoLogin(credentials_path=CREDENTIALS_PATH) # Download a Spotify track and return a download URL @app.post("/spot-track/{track_id}") async def download_spotify_track( track_id: str, background_tasks: BackgroundTasks ): try: downloads_dir = Path("downloads") # Create unique directory for this download download_id = uuid.uuid4().hex download_dir = downloads_dir / download_id download_dir.mkdir(parents=True, exist_ok=True) # Download to unique directory logger.info(f"Downloading to {download_dir}") spo.download_track( link_track=f"https://open.spotify.com/track/{track_id}", output_dir=str(download_dir), quality_download="VERY_HIGH", recursive_quality=False, recursive_download=False, not_interface=False, method_save=1 ) # Find downloaded file filepath = next(download_dir.glob(f"**/*.ogg"), None) if not filepath: raise HTTPException(status_code=500, detail="File not found after download") # Schedule cleanup after response is sent #background_tasks.add_task(cleanup_dir, download_dir) # Return path with unique directory relative_path = quote(str(filepath.relative_to(downloads_dir))) return {"download_url": f"{BASE_URL}/downloads/{relative_path}"} except Exception as e: logger.error(f"Error downloading track: {e}") raise HTTPException(status_code=500, detail=str(e)) ''' @app.get("/") def read_root(): return {"message": "running"} # Download a track and return a download URL class deezloadRequest(BaseModel): url: str quality: str arl: str def convert_deezer_short_link_async(short_link: str) -> str: try: response = requests.get(short_link, allow_redirects=True) return response.url except requests.RequestException as e: print(f"An error occurred: {e}") return "" # Helper function to get track info def get_track_info(track_id: str): try: response = requests.get(f"{DEEZER_API_URL}/track/{track_id}") if response.status_code != 200: raise HTTPException(status_code=404, detail="Track not found") return response.json() except requests.exceptions.RequestException as e: logger.error(f"Network error fetching track metadata: {e}") raise HTTPException(status_code=500, detail=str(e)) except Exception as e: logger.error(f"Error fetching track metadata: {e}") raise HTTPException(status_code=500, detail=str(e)) # Fetch track metadata from Deezer API @app.get("/track/{track_id}") def get_d_track(track_id: str): return get_track_info(track_id) # Download a track and return a download URL @app.post("/download/track") def download_d_track(deezload_request: deezloadRequest): try: if deezload_request.arl is None or deezload_request.arl.strip() == "": ARL = ARL_TOKEN else: ARL = deezload_request.arl logger.info(f'arl: {ARL}') url = deezload_request.url if 'dzr.page' in url: url = convert_deezer_short_link_async(url) quality = deezload_request.quality dl = DeeLogin(arl=ARL) if quality not in ["MP3_320", "MP3_128", "FLAC"]: raise HTTPException(status_code=400, detail="Invalid quality specified") # 提取 track_id (假设 url 格式为 https://api.deezer.com/track/{track_id}) track_id = url.split("/")[-1] # Fetch track info track_info = get_track_info(track_id) track_link = track_info.get("link") if not track_link: raise HTTPException(status_code=404, detail="Track link not found") # Sanitize filename track_title = track_info.get("title", "track") artist_name = track_info.get("artist", {}).get("name", "unknown") file_extension = "flac" if quality == "FLAC" else "mp3" expected_filename = f"{artist_name} - {track_title}.{file_extension}".replace("/", "_") # Sanitize filename # Clear the downloads directory for root, dirs, files in os.walk("downloads"): for file in files: os.remove(os.path.join(root, file)) for dir in dirs: shutil.rmtree(os.path.join(root, dir)) # Download the track using deezspot try: # 下载文件的代码 dl.download_trackdee( link_track=track_link, output_dir="downloads", quality_download=quality, recursive_quality=False, recursive_download=False ) except Exception as e: logger.error(f"Error downloading file: {e}") raise HTTPException(status_code=500, detail="File download failed") # Recursively search for the file in the downloads directory filepath = None for root, dirs, files in os.walk("downloads"): for file in files: if file.endswith(f'.{file_extension}'): filepath = os.path.join(root, file) break if filepath: break if not filepath: raise HTTPException(status_code=500, detail=f"{file_extension} file not found after download") if filepath: file_size = os.path.getsize(filepath) logger.info(f"Downloaded file size: {file_size} bytes") # Return the download URL relative_path = quote(str(os.path.relpath(filepath, "downloads"))) # Remove spaces from the relative path download_url = f"{BASE_URL}/downloads/{relative_path}" logger.info(f"Download successful: {download_url}") gc.collect() return {"download_url": download_url} except Exception as e: logger.error(f"Error downloading track: {e}") raise HTTPException(status_code=500, detail=str(e)) # Pydantic model for album request class AlbumRequest(BaseModel): album_id: str # Fetch album data @app.post("/z_album") def fetch_d_album(request: AlbumRequest): album_id = request.album_id try: response = requests.get(f"{DEEZER_API_URL}/album/{album_id}") response.raise_for_status() album_data = response.json() tracks = album_data.get("tracks", {}).get("data", []) result = [] for track in tracks: title = track.get("title") link = track.get("link") if title and link: result.append({ "title": title, "link": link }) return result except requests.exceptions.RequestException as e: logger.error(f"Network error fetching album: {e}") raise HTTPException(status_code=500, detail=str(e)) except Exception as e: logger.error(f"Error fetching album: {e}") raise HTTPException(status_code=500, detail=str(e)) # Pydantic model for playlist request class PlaylistRequest(BaseModel): playlist_id: str # Fetch playlist data @app.post("/d_playlist") def fetch_playlist(request: PlaylistRequest): playlist_id = request.playlist_id try: response = requests.get(f"{DEEZER_API_URL}/playlist/{playlist_id}") response.raise_for_status() playlist_data = response.json() tracks = playlist_data.get("tracks", {}).get("data", []) result = [] for track in tracks: title = track.get("title") link = track.get("link") if title and link: result.append({ "title": title, "link": link }) return result except requests.exceptions.RequestException as e: logger.error(f"Network error fetching album: {e}") raise HTTPException(status_code=500, detail=str(e)) except Exception as e: logger.error(f"Error fetching album: {e}") raise HTTPException(status_code=500, detail=str(e)) # Search tracks using Deezer API @app.get("/d_search") def search_tracks(query: str, limit: Optional[int] = 10): try: response = requests.get(f"{DEEZER_API_URL}/search", params={"q": query, "limit": limit}) return response.json() except requests.exceptions.RequestException as e: logger.error(f"Network error searching tracks: {e}") raise HTTPException(status_code=500, detail=str(e)) except Exception as e: logger.error(f"Error searching tracks: {e}") raise HTTPException(status_code=500, detail=str(e))