feat: 重构 dump_keyword_title.py，优化数据库查询和数据推送逻辑

dump_keyword_title.py

@@ -1,48 +1,6 @@
-#!/usr/bin/env python3
-"""
-用法示例
---------
-# 用默认 level=1
-python3 dump_keyword_title.py
-
-# 指定 level=3
-python3 dump_keyword_title.py -l 3
-"""
-import json, time, pymysql, redis
+import json, time
 import argparse
-
-# ======= 配置区 =======
-MYSQL_CONFIG = {
-    "host": "192.144.230.75", "port": 3306,
-    "user": "db_vidcon", "password": "rexdK4fhCCiRE4BZ",
-    "database": "db_vidcon", "charset": "utf8mb4",
-    "cursorclass": pymysql.cursors.DictCursor
-}
-REDIS_CONFIG = {
-    "host": "192.144.230.75", "port": 6379,
-    "password": "qwert@$123!&", "decode_responses": True
-}
-LIST_KEY   = "video_kw_queue"
-BATCH_SIZE = 1000
-SQL = """
-SELECT
-    k.keyword,
-    k.rn,
-    t.title            AS v_name,
-    ANY_VALUE(t.level) AS level
-FROM
-    sh_dm_keyword k
-LEFT JOIN
-    sh_dm_title  t ON k.title = t.title
-WHERE
-    k.status = 1
-    AND t.status = 1
-    AND NOT EXISTS (
-        SELECT 1 FROM sh_dm_black_keyword b WHERE b.title = t.title
-    )
-    AND t.level = %s
-GROUP BY k.keyword, k.rn
-"""
+from DB import DBVidcon
 
 def parse_args():
     parser = argparse.ArgumentParser(
@@ -50,35 +8,35 @@ def parse_args():
     )
     parser.add_argument("-l", "--level", type=int, default=99,
                         help="value for t.level (default: 99)")
-    parser.add_argument("-u", "--urgent", type=int, default=0,
-                        help="加急标记")
     return parser.parse_args()
 
 def main():
-    args = parse_args()
-    batch_ts = int(time.time())
-    conn = pymysql.connect(**MYSQL_CONFIG)
-    cur  = conn.cursor()
-    cur.execute(SQL, (args.level,))
-    r     = redis.Redis(**REDIS_CONFIG)
-    pipe  = r.pipeline()
-    total = 0
-    start = time.time()
-    global LIST_KEY
-    if args.urgent == 1:
-        LIST_KEY = "video_urgent_queue"
+    args   = parse_args()
+    batch  = int(time.time())
+    db     = DBVidcon()
 
-    for row in cur:
-        row["batch"] = batch_ts
-        pipe.lpush(LIST_KEY, json.dumps(row, ensure_ascii=False))
-        total += 1
-        if total % BATCH_SIZE == 0:
-            pipe.execute()
+    rows = db.fetch_keyword_title(level=args.level)
+    payload_list = []
+    push = None
+    if args.level == 0:
+        push = db.push_l0
+    elif args.level == 1:
+        push = db.push_l1
+    elif args.level == 2:
+        push = db.push_l2
+    else:
+        return
 
-    if pipe.command_stack:
-        pipe.execute()
+    for row in rows:
+        payload_list.append(json.dumps({**row, "batch": batch}, ensure_ascii=False))
+        if len(payload_list) >= 10000:
+            push(payload_list)
+            payload_list.clear()
+    if payload_list:          # 收尾
+        push(payload_list)
 
-    print(f"✔ 推送 {total} 行（level={args.level}, batch={batch_ts}）→ Redis '{LIST_KEY}'，耗时 {time.time()-start:.2f}s")
+    print(f"✔ 推送 {len(rows)} 行（batch={batch}）到 {push.__name__}队列完毕")
+    db.close()
 
 if __name__ == "__main__":
     main()