354 lines
11 KiB
Python
354 lines
11 KiB
Python
from flask import Flask, render_template, request, jsonify
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import subprocess
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import os
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import uuid
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import json
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import time
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app = Flask(__name__)
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CACHE_DIR = "cache"
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MAX_CACHE_FILES = 10
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METADATA_FILE = os.path.join(CACHE_DIR, 'metadata.json')
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voices = {
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"晓晓（温暖女声）": "zh-CN-XiaoxiaoNeural",
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"晓伊（活泼女声）": "zh-CN-XiaoyiNeural",
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"云健（激情男声）": "zh-CN-YunjianNeural",
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"云希（阳光男声）": "zh-CN-YunxiNeural",
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"云夏（可爱男声）": "zh-CN-YunxiaNeural",
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"云扬（新闻男声）": "zh-CN-YunyangNeural",
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"辽宁-小贝（方言）": "zh-CN-liaoning-XiaobeiNeural",
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"陕西-小妮（方言）": "zh-CN-shaanxi-XiaoniNeural",
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"香港-晓佳": "zh-HK-HiuGaaiNeural",
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"香港-晓曼": "zh-HK-HiuMaanNeural",
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"香港-云龙": "zh-HK-WanLungNeural",
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"台湾-晓陈": "zh-TW-HsiaoChenNeural",
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"台湾-晓雨": "zh-TW-HsiaoYuNeural",
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"台湾-云哲": "zh-TW-YunJheNeural"
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}
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current_process = None
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# 当前播放状态，供 /status 告诉界面「喇叭是不是正在响」。
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playback = {'mode': None, 'filename': None, 'interval': None, 'started_at': None}
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def _playback_alive():
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"""喇叭是否真的在响。以进程为准，避免状态变量和实际情况脱节。"""
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if current_process is not None and current_process.poll() is None:
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return True
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probe = subprocess.run(['pgrep', '-x', 'mpg123'], capture_output=True, text=True)
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return probe.returncode == 0
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def _stop_playback():
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"""停掉当前播放并清空状态。"""
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global current_process
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if current_process:
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try:
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current_process.kill()
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except OSError:
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pass
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current_process = None
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subprocess.run(['pkill', '-9', 'mpg123'])
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playback.update(mode=None, filename=None, interval=None, started_at=None)
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def _start_playback(filename, loop, interval):
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"""播放 cache 里的某个文件；loop 为真时交给 player.sh 循环。"""
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global current_process
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_stop_playback()
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filepath = os.path.join(CACHE_DIR, filename)
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if loop:
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current_process = subprocess.Popen(['bash', 'player.sh', filepath, str(interval)])
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mode = 'loop'
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else:
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current_process = subprocess.Popen([
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'mpg123', '-o', 'alsa', '-a', 'plughw:audiocodec,0', filepath
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])
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mode = 'once'
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playback.update(mode=mode, filename=filename, interval=interval,
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started_at=time.time())
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def get_metadata():
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if not os.path.exists(METADATA_FILE):
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return {}
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with open(METADATA_FILE, 'r', encoding='utf-8') as f:
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return json.load(f)
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def save_metadata(metadata):
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with open(METADATA_FILE, 'w', encoding='utf-8') as f:
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json.dump(metadata, f, ensure_ascii=False, indent=2)
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def clean_cache():
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if not os.path.exists(CACHE_DIR):
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os.makedirs(CACHE_DIR)
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return
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files = []
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metadata = get_metadata()
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for f in os.listdir(CACHE_DIR):
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filepath = os.path.join(CACHE_DIR, f)
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if os.path.isfile(filepath) and f.endswith('.mp3'):
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files.append({
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'filepath': filepath,
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'filename': f,
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'created_at': os.path.getctime(filepath),
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'is_favorite': metadata.get(f, {}).get('is_favorite', False)
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})
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total_files = len(files)
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if total_files >= MAX_CACHE_FILES:
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files.sort(key=lambda x: x['created_at'])
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files_to_delete = []
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non_fav_files = [f for f in files if not f['is_favorite']]
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num_files_to_delete = total_files - MAX_CACHE_FILES + 1
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if len(non_fav_files) >= num_files_to_delete:
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files_to_delete = non_fav_files[:num_files_to_delete]
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elif len(non_fav_files) > 0:
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files_to_delete = non_fav_files
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for file_info in files_to_delete:
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filename = file_info['filename']
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if filename in metadata:
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del metadata[filename]
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os.remove(file_info['filepath'])
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if files_to_delete:
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save_metadata(metadata)
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@app.route('/')
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def index():
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return render_template('index.html', voices=voices)
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@app.route('/speak', methods=['POST'])
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def speak():
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text = request.form.get('text')
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voice = request.form.get('voice')
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loop = request.form.get('loop') == 'true'
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interval = int(request.form.get('interval', 5))
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if not text:
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return jsonify({'status': 'error', 'message': '请输入广播内容'})
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clean_cache()
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metadata = get_metadata()
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for filename, info in metadata.items():
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if info.get('text') == text and info.get('voice') == voice:
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filepath = os.path.join(CACHE_DIR, filename)
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if os.path.exists(filepath) and os.path.getsize(filepath) > 0:
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_start_playback(filename, loop, interval)
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return jsonify({'status': 'ok', 'filename': filename, 'message': '使用已存在的文件'})
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filename = f"{uuid.uuid4()}.mp3"
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filepath = os.path.join(CACHE_DIR, filename)
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voice_name = voices.get(voice, 'zh-CN-YunxiNeural')
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# 合成音频。新端点会对同一 IP 限流(429)，故失败后重试几次。
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ok = False
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err_tail = ''
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for attempt in range(3):
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proc = subprocess.run([
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'python3',
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'-m',
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'edge_tts',
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'--voice',
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voice_name,
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'--text',
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text,
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'--write-media',
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filepath
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], capture_output=True, text=True)
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lines = (proc.stderr or '').strip().splitlines()
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err_tail = lines[-1] if lines else ''
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if proc.returncode == 0 and os.path.exists(filepath) and os.path.getsize(filepath) > 0:
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ok = True
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break
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time.sleep(2 * (attempt + 1))
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if not ok:
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# 合成失败：清掉可能的空文件、不写元数据，避免把坏文件当正常广播循环播放
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if os.path.exists(filepath):
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os.remove(filepath)
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return jsonify({
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'status': 'error',
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'message': '语音合成失败，微软接口未返回音频，请稍后重试。' + ((' 详情: ' + err_tail) if err_tail else '')
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})
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# 名字取前 30 个字；换行等连续空白折叠成一个空格，便于在列表和状态条里显示
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flat = ' '.join(text.split())
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display_name = flat[:30] + '...' if len(flat) > 30 else flat
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metadata[filename] = {
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'display_name': display_name,
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'text': text,
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'voice': voice,
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'is_favorite': False
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}
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save_metadata(metadata)
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_start_playback(filename, loop, interval)
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return jsonify({'status': 'ok', 'filename': filename})
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@app.route('/stop')
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def stop():
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_stop_playback()
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return jsonify({'status': 'stopped'})
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@app.route('/files')
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def list_files():
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metadata = get_metadata()
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files = []
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for f in os.listdir(CACHE_DIR):
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if f.endswith('.mp3'):
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filepath = os.path.join(CACHE_DIR, f)
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if os.path.isfile(filepath):
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info = metadata.get(f, {'display_name': f, 'text': '', 'voice': ''})
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files.append({
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'filename': f,
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'display_name': info['display_name'],
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'text': info.get('text', ''),
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'voice': info.get('voice', ''),
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'is_favorite': info.get('is_favorite', False),
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'created_at': os.path.getctime(filepath)
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})
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files.sort(key=lambda x: (not x['is_favorite'], -x['created_at']))
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return jsonify({'files': files})
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@app.route('/play-file', methods=['POST'])
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def play_file():
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filename = request.form.get('filename')
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loop = request.form.get('loop') == 'true'
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interval = int(request.form.get('interval', 5))
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if not filename:
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return jsonify({'status': 'error', 'message': '请选择文件'})
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filepath = os.path.join(CACHE_DIR, filename)
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if not os.path.exists(filepath) or os.path.getsize(filepath) == 0:
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return jsonify({'status': 'error', 'message': '文件不存在或已损坏'})
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_start_playback(filename, loop, interval)
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metadata = get_metadata()
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display_name = metadata.get(filename, {}).get('display_name', filename)
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return jsonify({'status': 'ok', 'message': f'正在播放: {display_name}'})
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@app.route('/rename-file', methods=['POST'])
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def rename_file():
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filename = request.form.get('filename')
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new_name = request.form.get('new_name')
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if not filename or not new_name:
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return jsonify({'status': 'error', 'message': '参数错误'})
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metadata = get_metadata()
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if filename not in metadata:
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return jsonify({'status': 'error', 'message': '文件不存在'})
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metadata[filename]['display_name'] = new_name
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save_metadata(metadata)
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return jsonify({'status': 'ok', 'message': '重命名成功'})
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@app.route('/toggle-favorite', methods=['POST'])
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def toggle_favorite():
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filename = request.form.get('filename')
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if not filename:
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return jsonify({'status': 'error', 'message': '参数错误'})
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metadata = get_metadata()
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if filename not in metadata:
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return jsonify({'status': 'error', 'message': '文件不存在'})
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metadata[filename]['is_favorite'] = not metadata[filename].get('is_favorite', False)
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save_metadata(metadata)
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return jsonify({
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'status': 'ok',
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'is_favorite': metadata[filename]['is_favorite'],
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'message': '收藏成功' if metadata[filename]['is_favorite'] else '取消收藏成功'
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})
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@app.route('/delete-file', methods=['POST'])
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def delete_file():
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filename = request.form.get('filename')
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if not filename:
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return jsonify({'status': 'error', 'message': '请选择文件'})
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filepath = os.path.join(CACHE_DIR, filename)
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if not os.path.exists(filepath):
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return jsonify({'status': 'error', 'message': '文件不存在'})
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_stop_playback()
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os.remove(filepath)
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metadata = get_metadata()
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if filename in metadata:
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del metadata[filename]
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save_metadata(metadata)
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return jsonify({'status': 'ok', 'message': '删除成功'})
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@app.route('/status')
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def playback_status():
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"""界面用：喇叭现在是不是在响、在播哪一条、循环间隔多少秒。"""
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alive = _playback_alive()
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filename = playback['filename'] if alive else None
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return jsonify({
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'playing': alive,
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'mode': playback['mode'] if alive else None,
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'filename': filename,
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'display_name': get_metadata().get(filename, {}).get('display_name') if filename else None,
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'interval': playback['interval'] if alive else None,
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'started_at': playback['started_at'] if alive else None,
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})
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if __name__ == '__main__':
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if not os.path.exists(CACHE_DIR):
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os.makedirs(CACHE_DIR)
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app.run(host='0.0.0.0', port=5000) |