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 # 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 downloads_dir = Path("downloads") 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 spo = SpoLogin(credentials_path=CREDENTIALS_PATH) # 定义请求体模型 class DownloadRequest(BaseModel): url: str quality: str # Download a Spotify track and return a download URL @app.post("/spot-track/{track_id}") def download_spotify_track(track_id: str): try: # Clear the downloads directory for item in downloads_dir.iterdir(): if item.is_file(): item.unlink() elif item.is_dir(): shutil.rmtree(item) # Download the track using spotloader logger.info(f"Downloading Spotify track: {track_id}") spo.download_track( link_track=f"https://open.spotify.com/track/{track_id}", output_dir=str(downloads_dir), quality_download="VERY_HIGH", recursive_quality=False, recursive_download=False, not_interface=False, method_save=1 ) file_extension = "ogg" # Recursively search for the file in the downloads directory filepath = None for root, dirs, files in os.walk(downloads_dir): for file in files: if file.endswith(f'.{file_extension}'): filepath = Path(root) / file break if filepath: break if not filepath: raise HTTPException(status_code=500, detail=f"{file_extension} file not found after download") file_size = filepath.stat().st_size logger.info(f"Downloaded file size: {file_size} bytes") # Return the download URL relative_path = quote(str(filepath.relative_to(downloads_dir))) download_url = f"{BASE_URL}/downloads/{relative_path}" logger.info(f"Download successful: {download_url}") return {"download_url": download_url} 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"} # 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_track(track_id: str): return get_track_info(track_id) # Download a track and return a download URL @app.post("/download/track") def download_track(request: DownloadRequest): try: url = request.url quality = request.quality 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 logger.info(f"Downloading track: {expected_filename}") 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}") return {"download_url": download_url} except Exception as e: logger.error(f"Error downloading track: {e}") raise HTTPException(status_code=500, detail=str(e)) # Search tracks using Deezer API @app.get("/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))