194 lines
6.6 KiB
Python
194 lines
6.6 KiB
Python
"""
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Author: Uyanide pywang0608@foxmail.com
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Date: 2026-03-25 11:04:51
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Description: Netease Cloud Music fetcher
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"""
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"""
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Uses the public cloudsearch API for searching and the song/lyric API for
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retrieving lyrics. No authentication required.
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Search results are filtered by duration when the track has a known length
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to avoid returning lyrics for the wrong version of a song.
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"""
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from typing import Optional
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import httpx
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from loguru import logger
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from .base import BaseFetcher
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from .selection import SearchCandidate, select_best
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from ..models import TrackMeta, LyricResult, CacheStatus
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from ..lrc import LRCData
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from ..config import (
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HTTP_TIMEOUT,
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TTL_NOT_FOUND,
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TTL_NETWORK_ERROR,
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NETEASE_SEARCH_URL,
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NETEASE_LYRIC_URL,
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UA_BROWSER,
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)
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_HEADERS = {
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"User-Agent": UA_BROWSER,
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"Referer": "https://music.163.com/",
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}
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class NeteaseFetcher(BaseFetcher):
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@property
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def source_name(self) -> str:
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return "netease"
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def is_available(self, track: TrackMeta) -> bool:
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return bool(track.title)
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async def _search(
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self, track: TrackMeta, limit: int = 10
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) -> tuple[Optional[int], float]:
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query = f"{track.artist or ''} {track.title or ''}".strip()
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if not query:
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return None, 0.0
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logger.debug(f"Netease: searching for '{query}' (limit={limit})")
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try:
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async with httpx.AsyncClient(timeout=HTTP_TIMEOUT) as client:
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resp = await client.post(
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NETEASE_SEARCH_URL,
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headers=_HEADERS,
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data={"s": query, "type": "1", "limit": str(limit), "offset": "0"},
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)
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resp.raise_for_status()
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result = resp.json()
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if not isinstance(result, dict):
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logger.error(
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f"Netease: search returned non-dict: {type(result).__name__}"
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)
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return None, 0.0
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result_body = result.get("result")
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if not isinstance(result_body, dict):
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logger.debug("Netease: search 'result' field missing or invalid")
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return None, 0.0
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songs = result_body.get("songs")
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if not isinstance(songs, list) or len(songs) == 0:
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logger.debug("Netease: search returned 0 results")
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return None, 0.0
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logger.debug(f"Netease: search returned {len(songs)} candidates")
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candidates = [
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SearchCandidate(
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item=song.get("id"),
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duration_ms=float(song["dt"])
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if isinstance(song.get("dt"), int)
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else None,
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title=song.get("name"),
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artist=", ".join(a.get("name", "") for a in song.get("ar", []))
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or None,
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album=(song.get("al") or {}).get("name"),
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)
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for song in songs
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if isinstance(song, dict) and song.get("id") is not None
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]
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best_id, confidence = select_best(
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candidates,
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track.length,
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title=track.title,
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artist=track.artist,
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album=track.album,
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)
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if best_id is not None:
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logger.debug(
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f"Netease: selected id={best_id} (confidence={confidence:.0f})"
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)
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return best_id, confidence
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logger.debug("Netease: no suitable candidate found")
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return None, 0.0
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except Exception as e:
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logger.error(f"Netease: search failed: {e}")
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return None, 0.0
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async def _get_lyric(
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self, song_id: int, confidence: float = 0.0
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) -> Optional[LyricResult]:
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logger.debug(f"Netease: fetching lyrics for song_id={song_id}")
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try:
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async with httpx.AsyncClient(timeout=HTTP_TIMEOUT) as client:
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resp = await client.post(
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NETEASE_LYRIC_URL,
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headers=_HEADERS,
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data={
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"id": str(song_id),
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"cp": "false",
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"tv": "0",
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"lv": "0",
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"rv": "0",
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"kv": "0",
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"yv": "0",
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"ytv": "0",
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"yrv": "0",
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},
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)
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resp.raise_for_status()
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data = resp.json()
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if not isinstance(data, dict):
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logger.error(
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f"Netease: lyric response is not dict: {type(data).__name__}"
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)
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return LyricResult(
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status=CacheStatus.NETWORK_ERROR, ttl=TTL_NETWORK_ERROR
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)
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lrc_obj = data.get("lrc")
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if not isinstance(lrc_obj, dict):
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logger.debug(
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f"Netease: no 'lrc' object in response for song_id={song_id}"
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)
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return LyricResult(status=CacheStatus.NOT_FOUND, ttl=TTL_NOT_FOUND)
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lrc: str = lrc_obj.get("lyric", "")
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if not isinstance(lrc, str) or not lrc.strip():
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logger.debug(f"Netease: empty lyrics for song_id={song_id}")
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return LyricResult(status=CacheStatus.NOT_FOUND, ttl=TTL_NOT_FOUND)
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lrcdata = LRCData(lrc)
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status = lrcdata.detect_sync_status()
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logger.info(
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f"Netease: got {status.value} lyrics for song_id={song_id} "
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f"({len(lrcdata)} lines)"
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)
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return LyricResult(
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status=status,
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lyrics=lrcdata,
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source=self.source_name,
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confidence=confidence,
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)
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except Exception as e:
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logger.error(f"Netease: lyric fetch failed for song_id={song_id}: {e}")
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return LyricResult(status=CacheStatus.NETWORK_ERROR, ttl=TTL_NETWORK_ERROR)
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async def fetch(
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self, track: TrackMeta, bypass_cache: bool = False
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) -> Optional[LyricResult]:
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query = f"{track.artist or ''} {track.title or ''}".strip()
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if not query:
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logger.debug("Netease: skipped — insufficient metadata")
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return None
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logger.info(f"Netease: fetching lyrics for {track.display_name()}")
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song_id, confidence = await self._search(track)
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if not song_id:
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logger.debug(f"Netease: no match found for {track.display_name()}")
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return LyricResult(status=CacheStatus.NOT_FOUND, ttl=TTL_NOT_FOUND)
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return await self._get_lyric(song_id, confidence=confidence)
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