- Add Like button: promotes wave track to permanent library and refills buffer - Add Dislike button: blacklists track in SQLite disliked_tracks, removes audio, refills buffer - Add Delete button in history table for library file removal - Add AI Radio module: wttr.in weather, Qwen 2.5 host monologues, speech synthesis, ID3 tags - Generate interleaved 'AI Радио.m3u8' alongside clean 'Моя Волна.m3u8' - Update Web UI with Radio DJ card, voice selection, and track actions
142 lines
6.7 KiB
Python
142 lines
6.7 KiB
Python
import os
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import time
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import httpx
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import asyncio
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import edge_tts
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from datetime import datetime
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from typing import List, Dict, Any, Optional
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from mutagen.id3 import ID3, TIT2, TPE1, TALB, ID3NoHeaderError
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from app.config import settings
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from app.radio.weather import get_current_weather
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class RadioDJ:
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def __init__(self):
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self.ollama_url = f"{settings.OLLAMA_URL}/api/generate"
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self.model = settings.OLLAMA_MODEL
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self.default_voice = settings.RADIO_VOICE or "ru-RU-DmitryNeural"
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def get_time_of_day_info(self) -> Dict[str, str]:
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"""Determine time of day greeting."""
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hour = (datetime.utcnow().hour + 3) % 24 # Europe/Moscow UTC+3 approximation
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if 5 <= hour < 12:
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return {"greeting": "Доброе утро", "period": "утренний эфир"}
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elif 12 <= hour < 18:
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return {"greeting": "Добрый день", "period": "дневной эфир"}
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elif 18 <= hour < 23:
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return {"greeting": "Добрый вечер", "period": "вечерний эфир"}
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else:
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return {"greeting": "Доброй ночи", "period": "ночной эфир"}
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async def generate_speech_text(
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self,
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next_track: Optional[Dict[str, str]] = None,
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is_opening: bool = False
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) -> str:
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"""Generate charismatic short radio host remark via Ollama qwen2.5:1.5b."""
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tod = self.get_time_of_day_info()
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weather = get_current_weather()
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weather_part = f"Погода: {weather}." if weather else ""
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track_part = f"Следующий трек: «{next_track['title']}» исполнителя {next_track['artist']}." if next_track else ""
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if is_opening:
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system_instruction = (
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f"Ты харизматичный ведущий радиостанции «AI Радио». "
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f"Сейчас {tod['period']}, {tod['greeting']}. {weather_part} "
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f"Сделай открывающее приветствие радиослушателям (ровно 2 коротких предложения, до 25 слов) "
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f"и объяви первый трек: {track_part}. "
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f"Никаких приветствий от лица нейросети, никаких кавычек, ремарок в скобках или мета-текста. "
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f"Только чистая живая речь радиоведущего на русском языке."
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)
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else:
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system_instruction = (
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f"Ты классный ведущий радиостанции «AI Радио». "
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f"Сейчас в эфире {tod['period']}. "
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f"Сделай лаконичную подводку ведущего (1-2 предложения, до 20 слов) перед следующим треком: {track_part}. "
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f"Без кавычек, без смайлов, без скобок, только чистый текст ведущего на русском."
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)
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# Call Ollama with keep_alive: 0
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try:
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async with httpx.AsyncClient(timeout=25.0) as client:
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resp = await client.post(
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self.ollama_url,
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json={
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"model": self.model,
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"prompt": system_instruction,
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"stream": False,
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"keep_alive": 0
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}
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)
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if resp.status_code == 200:
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text = resp.json().get("response", "").strip()
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# Clean up quotes, brackets, preamble
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text = text.replace('"', '').replace('«', '').replace('»', '').replace('*', '')
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lines = [l.strip() for l in text.split("\n") if l.strip()]
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if lines:
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cleaned = " ".join(lines)
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if len(cleaned) > 10:
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return cleaned
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except Exception as e:
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print(f"[RadioDJ] Ollama generation fallback due to: {e}")
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# Deterministic fallback if Ollama is unavailable
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if is_opening:
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w_str = f" За окном {weather}." if weather else ""
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t_str = f" Открываем эфир треком {next_track['artist']} — {next_track['title']}!" if next_track else " Начинаем наш музыкальный эфир!"
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return f"{tod['greeting']} в эфире AI Радио!{w_str}{t_str} Поехали!"
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else:
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if next_track:
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return f"Продолжаем поток на AI Радио. В эфире звучит {next_track['artist']} — {next_track['title']}."
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return "Вы слушаете AI Радио — только лучшая музыка для отличного настроения."
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def _apply_id3_tags(self, output_file: str, title: str):
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"""Write ID3 tags so Navidrome categorizes host clips as AI Radio tracks."""
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try:
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try:
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tags = ID3(output_file)
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except ID3NoHeaderError:
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tags = ID3()
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tags.add(TPE1(encoding=3, text=["AI Радио (DJ)"]))
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tags.add(TALB(encoding=3, text=["AI Радио Эфир"]))
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tags.add(TIT2(encoding=3, text=[title]))
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tags.save(output_file)
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except Exception as tag_err:
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print(f"[RadioDJ] Warning tagging audio: {tag_err}")
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async def synthesize_speech(
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self,
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text: str,
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output_file: str,
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title: str = "Ведущий в эфире",
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voice: Optional[str] = None
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) -> bool:
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"""Synthesize speech using edge-tts or rock-solid gTTS fallback and write ID3 tags for Navidrome."""
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selected_voice = voice or self.default_voice
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# 1. Attempt edge-tts
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try:
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tts = edge_tts.Communicate(text, selected_voice)
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await tts.save(output_file)
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if os.path.exists(output_file) and os.path.getsize(output_file) > 500:
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self._apply_id3_tags(output_file, title)
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return True
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except Exception as e:
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print(f"[RadioDJ] edge-tts error ({e}), trying gTTS fallback...")
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# 2. Resilient fallback to gTTS
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try:
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from gtts import gTTS
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tts = gTTS(text=text, lang="ru")
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tts.save(output_file)
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if os.path.exists(output_file) and os.path.getsize(output_file) > 500:
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self._apply_id3_tags(output_file, title)
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return True
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except Exception as e:
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print(f"[RadioDJ] gTTS synthesis error: {e}")
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return False
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dj_host = RadioDJ()
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