65 lines
2.0 KiB
Python
65 lines
2.0 KiB
Python
# -*- coding: utf-8 -*-
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"""
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M3U Playlist Generator - Flask 应用入口
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提供 M3U 播放列表的浏览、下载和订阅服务。
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"""
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import os
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from flask import Flask, render_template, send_from_directory, abort
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app = Flask(__name__)
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# 播放列表目录（相对路径）
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PLAYLIST_DIR = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'playlists')
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@app.route('/')
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def index():
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"""首页：列出所有可用的播放列表。"""
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playlists = []
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if os.path.isdir(PLAYLIST_DIR):
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for filename in sorted(os.listdir(PLAYLIST_DIR)):
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if filename.endswith('.m3u'):
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filepath = os.path.join(PLAYLIST_DIR, filename)
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size = os.path.getsize(filepath)
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# 统计频道数量（以 #EXTINF 开头的行）
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channel_count = 0
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try:
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with open(filepath, 'r', encoding='utf-8') as f:
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for line in f:
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if line.strip().startswith('#EXTINF'):
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channel_count += 1
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except Exception:
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pass
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playlists.append({
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'name': filename,
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'size': size,
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'channels': channel_count,
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'url': f'playlists/{filename}'
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})
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return render_template('index.html', playlists=playlists)
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@app.route('/playlists/<path:filename>')
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def serve_playlist(filename):
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"""提供播放列表文件下载/订阅。"""
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# 安全检查：防止路径穿越
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if '..' in filename or filename.startswith('/'):
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abort(400)
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if not filename.endswith('.m3u'):
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abort(404)
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filepath = os.path.join(PLAYLIST_DIR, filename)
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if not os.path.isfile(filepath):
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abort(404)
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return send_from_directory(
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PLAYLIST_DIR,
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filename,
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mimetype='audio/x-mpegurl',
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as_attachment=False
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)
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if __name__ == '__main__':
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# 监听所有网卡，方便局域网内其他设备订阅
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app.run(host='0.0.0.0', port=5000, debug=True)
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