mirror of
https://github.com/JefferyHcool/BiliNote.git
synced 2026-09-07 00:27:37 +08:00
黄建武
97f153646f
- 新增关于页面组件，介绍项目背景、功能和使用方法 - 重构笔记生成逻辑，支持多版本笔记 - 新增笔记版本选择、复制和导出功能 -优化笔记界面布局和交互 - 调整部分组件样式，提升用户体验
95 lines
3.1 KiB
Python
95 lines
3.1 KiB
Python
import os
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from abc import ABC
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from typing import Union, Optional
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import yt_dlp
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from app.downloaders.base import Downloader, DownloadQuality
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from app.models.notes_model import AudioDownloadResult
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from app.utils.path_helper import get_data_dir
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from app.utils.url_parser import extract_video_id
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class YoutubeDownloader(Downloader, ABC):
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def __init__(self):
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super().__init__()
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def download(
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self,
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video_url: str,
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output_dir: Union[str, None] = None,
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quality: DownloadQuality = "fast",
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need_video:Optional[bool]=False
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) -> AudioDownloadResult:
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if output_dir is None:
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output_dir = get_data_dir()
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if not output_dir:
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output_dir=self.cache_data
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os.makedirs(output_dir, exist_ok=True)
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output_path = os.path.join(output_dir, "%(id)s.%(ext)s")
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ydl_opts = {
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'format': 'bestaudio[ext=m4a]/bestaudio/best',
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'outtmpl': output_path,
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'noplaylist': True,
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'quiet': False,
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}
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with yt_dlp.YoutubeDL(ydl_opts) as ydl:
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info = ydl.extract_info(video_url, download=True)
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video_id = info.get("id")
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title = info.get("title")
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duration = info.get("duration", 0)
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cover_url = info.get("thumbnail")
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ext = info.get("ext", "m4a") # 兜底用 m4a
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audio_path = os.path.join(output_dir, f"{video_id}.{ext}")
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print('os.path.join(output_dir, f"{video_id}.{ext}")',os.path.join(output_dir, f"{video_id}.{ext}"))
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return AudioDownloadResult(
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file_path=audio_path,
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title=title,
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duration=duration,
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cover_url=cover_url,
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platform="youtube",
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video_id=video_id,
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raw_info={'tags':info.get('tags')}, #全部返回会报错
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video_path=None # ❗音频下载不包含视频路径
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)
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def download_video(
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self,
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video_url: str,
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output_dir: Union[str, None] = None,
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) -> str:
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"""
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下载视频，返回视频文件路径
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"""
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if output_dir is None:
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output_dir = get_data_dir()
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video_id = extract_video_id(video_url, "youtube")
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video_path = os.path.join(output_dir, f"{video_id}.mp4")
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if os.path.exists(video_path):
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return video_path
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os.makedirs(output_dir, exist_ok=True)
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output_path = os.path.join(output_dir, "%(id)s.%(ext)s")
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ydl_opts = {
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'format': 'bestvideo[ext=mp4]+bestaudio[ext=m4a]/best[ext=mp4]',
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'outtmpl': output_path,
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'noplaylist': True,
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'quiet': False,
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'merge_output_format': 'mp4', # 确保合并成 mp4
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}
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with yt_dlp.YoutubeDL(ydl_opts) as ydl:
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info = ydl.extract_info(video_url, download=True)
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video_id = info.get("id")
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video_path = os.path.join(output_dir, f"{video_id}.mp4")
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if not os.path.exists(video_path):
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raise FileNotFoundError(f"视频文件未找到: {video_path}")
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return video_path
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