spider.py
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import pymysql
def _ids_query(query_template: str, ids: list, conn: pymysql.Connection) -> list[dict]:
if not ids:
return []
placeholders = ','.join(['%s'] * len(ids))
query = query_template.format(placeholders=placeholders)
with conn.cursor() as cur:
cur.execute(query, ids)
return cur.fetchall()
# ─── QQ Music ────────────────────────────────────────────────────────────────
_QQ_SONGS_SQL = """
SELECT s.id, s.mid, s.album_id, s.cover, s.title, s.duration,
s.lyric, s.composer_name, s.lyricist_name, s.platform_index_url, s.published_at,
a.mid AS album_mid, a.cover AS album_cover, a.title AS album_title,
a.intro AS album_intro, a.type AS album_type, a.company_id,
a.company, a.is_owner, a.published_at AS album_published_at
FROM media_tencent_songs s
LEFT JOIN media_tencent_albums a ON a.id = s.album_id
WHERE s.mid IN ({placeholders})
"""
_QQ_SINGERS_SQL = """
SELECT shs.song_id, shs.singer_id, sg.mid, sg.name, sg.avatar,
sg.sex, sg.area, sg.`index`, sg.intro, sg.home_url
FROM media_tencent_singer_has_songs shs
JOIN media_tencent_singers sg ON sg.id = shs.singer_id
WHERE shs.song_id IN ({placeholders})
"""
def fetch_qq_songs(conn: pymysql.Connection, mids: list[str]) -> dict[str, dict]:
rows = _ids_query(_QQ_SONGS_SQL, mids, conn)
return {row['mid']: row for row in rows}
def fetch_qq_singers(conn: pymysql.Connection, song_ids: list[int]) -> dict[int, list[dict]]:
rows = _ids_query(_QQ_SINGERS_SQL, song_ids, conn)
result: dict[int, list] = {}
for row in rows:
result.setdefault(row['song_id'], []).append(row)
return result
def probe_qq_has_singers(conn: pymysql.Connection, mid: str) -> bool:
"""检查 QQ 录音（按 mid）在 spider DB 中是否有歌手关联。"""
with conn.cursor() as cur:
cur.execute(
"SELECT 1 FROM media_tencent_songs s "
"JOIN media_tencent_singer_has_songs shs ON shs.song_id = s.id "
"WHERE s.mid = %s LIMIT 1",
(mid,),
)
return cur.fetchone() is not None
# ─── Kugou ───────────────────────────────────────────────────────────────────
_KUGOU_SONGS_SQL = """
SELECT s.id, s.hid, s.album_audio_id, s.album_id, s.cover, s.title, s.duration,
s.lyric, s.composer_name, s.lyricist_name, s.platform_index_url, s.published_at,
a.cover AS album_cover, a.title AS album_title, a.intro AS album_intro,
a.type AS album_type, a.company_id, a.company, a.is_owner,
a.published_at AS album_published_at
FROM media_ku_gou_songs s
LEFT JOIN media_ku_gou_albums a ON a.id = s.album_id
WHERE s.id IN ({placeholders})
"""
_KUGOU_SINGERS_SQL = """
SELECT shs.song_id, shs.singer_id, sg.name, sg.avatar,
sg.sex, sg.area, sg.`index`, sg.intro, sg.home_url
FROM media_ku_gou_singer_has_songs shs
JOIN media_ku_gou_singers sg ON sg.id = shs.singer_id
WHERE shs.song_id IN ({placeholders})
"""
def fetch_kugou_songs(conn: pymysql.Connection, song_ids: list[int]) -> dict[int, dict]:
rows = _ids_query(_KUGOU_SONGS_SQL, song_ids, conn)
return {row['id']: row for row in rows}
def fetch_kugou_singers(conn: pymysql.Connection, song_ids: list[int]) -> dict[int, list[dict]]:
rows = _ids_query(_KUGOU_SINGERS_SQL, song_ids, conn)
result: dict[int, list] = {}
for row in rows:
result.setdefault(row['song_id'], []).append(row)
return result
def probe_kugou_has_singers(conn: pymysql.Connection, song_id: int) -> bool:
"""检查酷狗录音在 spider DB 中是否有歌手关联。"""
with conn.cursor() as cur:
cur.execute(
"SELECT 1 FROM media_ku_gou_singer_has_songs WHERE song_id = %s LIMIT 1",
(song_id,),
)
return cur.fetchone() is not None
# ─── Netease ─────────────────────────────────────────────────────────────────
_NETEASE_SONGS_SQL = """
SELECT s.id, s.album_id, s.cover, s.title, s.duration,
s.lyric, s.composer_name, s.lyricist_name, s.platform_index_url, s.published_at,
a.cover AS album_cover, a.title AS album_title, a.intro AS album_intro,
a.type AS album_type, a.company_id, a.company, a.is_owner,
a.published_at AS album_published_at
FROM media_netease_songs s
LEFT JOIN media_netease_albums a ON a.id = s.album_id
WHERE s.id IN ({placeholders})
"""
_NETEASE_SINGERS_SQL = """
SELECT shs.song_id, shs.singer_id, sg.name, sg.avatar,
sg.sex, sg.area, sg.`index`, sg.intro, sg.home_url
FROM media_netease_singer_has_songs shs
JOIN media_netease_singers sg ON sg.id = shs.singer_id
WHERE shs.song_id IN ({placeholders})
"""
def fetch_netease_songs(conn: pymysql.Connection, song_ids: list[int]) -> dict[int, dict]:
rows = _ids_query(_NETEASE_SONGS_SQL, song_ids, conn)
return {row['id']: row for row in rows}
def fetch_netease_singers(conn: pymysql.Connection, song_ids: list[int]) -> dict[int, list[dict]]:
rows = _ids_query(_NETEASE_SINGERS_SQL, song_ids, conn)
result: dict[int, list] = {}
for row in rows:
result.setdefault(row['song_id'], []).append(row)
return result
def probe_netease_has_singers(conn: pymysql.Connection, song_id: int) -> bool:
"""检查网易云录音在 spider DB 中是否有歌手关联。"""
with conn.cursor() as cur:
cur.execute(
"SELECT 1 FROM media_netease_singer_has_songs WHERE song_id = %s LIMIT 1",
(song_id,),
)
return cur.fetchone() is not None