rosn

1d - 7d

write_redis/alg_recsys_feature_03_vidhasreturnrov1d7d_redis.py

@@ -0,0 +1,196 @@
+# -*- coding: utf-8 -*-
+import os
+import sys
+root_dir = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
+if root_dir not in sys.path:
+    sys.path.append(root_dir)
+    print("******** sys.path ********")
+    print(sys.path)
+
+from multiprocessing import Process
+from odps import ODPS
+from threading import Timer
+import threading
+from my_utils import RedisHelper, execute_sql_from_odps
+from my_config import set_config
+from log import Log
+import json
+from datetime import datetime
+from queue import Queue
+from tqdm import tqdm
+import time
+
+
+
+
+config_, _ = set_config()
+log_ = Log()
+redis_helper = RedisHelper()
+
+REDIS_PREFIX = "redis:vid_hasreturn1d7d_rov:"
+EXPIRE_TIME = 24 * 3600
+
+def worker(queue, executor):
+    while True:
+        row = queue.get()
+        if row is None:  # 结束信号
+            queue.task_done()
+            break
+        executor(row)
+        queue.task_done()
+def records_process_for_list(records, executor, max_size=50, num_workers=10):
+    # 创建一个线程安全的队列
+    queue = Queue(maxsize=max_size)  # 可以调整 maxsize 以控制内存使用
+    # 设置线程池大小
+    num_workers = num_workers
+    # 启动工作线程
+    threads = []
+    for _ in range(num_workers):
+        t = threading.Thread(target=worker, args=(queue, executor))
+        t.start()
+        threads.append(t)
+    # 读取数据并放入队列
+    for row in tqdm(records):
+        queue.put(row)
+    # 发送结束信号
+    for _ in range(num_workers):
+        queue.put(None)
+    # 等待所有任务完成
+    queue.join()
+    # 等待所有工作线程结束
+    for t in threads:
+        t.join()
+def process_and_store(row):
+    table_key, json_str = row
+    key = REDIS_PREFIX + str(table_key)
+    expire_time = EXPIRE_TIME
+    redis_helper.set_data_to_redis(key, json_str, expire_time)
+
+def check_data(project, table,  date, hour, mm) -> int:
+    """检查数据是否准备好,输出数据条数"""
+    odps = ODPS(
+        access_id=config_.ODPS_CONFIG['ACCESSID'],
+        secret_access_key=config_.ODPS_CONFIG['ACCESSKEY'],
+        project=project,
+        endpoint=config_.ODPS_CONFIG['ENDPOINT'],
+        connect_timeout=3000,
+        read_timeout=500000,
+        pool_maxsize=1000,
+        pool_connections=1000
+    )
+    try:
+        t = odps.get_table(name=table)
+        log_.info(f"检查分区是否存在-【 dt={date} hh={hour}】")
+        check_res = t.exist_partition(partition_spec=f'dt={date},hh={hour},mm={mm}')
+        if check_res:
+            sql = f'select * from {project}.{table} where dt = {date} and hh = {hour} and mm = {mm}'
+            log_.info(sql)
+            with odps.execute_sql(sql=sql).open_reader() as reader:
+                data_count = reader.count
+        else:
+            log_.info("表{}分区{}/{}不存在".format(table, date, hour))
+            data_count = 0
+    except Exception as e:
+        log_.error("table:{},date:{},hour:{} no data. return data_count=0,报错原因是:{}".format(table, date, hour, e))
+        data_count = 0
+    return data_count
+
+def get_sql(project, table, date, hour, mm):
+    sql = '''
+    SELECT  vid
+            ,feature
+    FROM    {}.{}
+    WHERE   dt = '{}'
+    and     hh = '{}'
+    and     mm = '{}'
+    '''.format(
+        project, table, date, hour, mm
+    )
+    print("sql:" + sql)
+    records = execute_sql_from_odps(project=project, sql=sql)
+    video_list = []
+    with records.open_reader() as reader:
+        for record in reader:
+            key1 = record['vid']
+            key = key1
+            m = dict()
+            try:
+                json_str = record['feature']
+            except Exception as e:
+                json_str = json.dumps(m)
+                log_.error(e)
+
+            video_list.append([key, json_str])
+    return video_list
+
+
+def main():
+    try:
+        date = sys.argv[1]
+        hour = sys.argv[2]
+        # mm = sys.argv[3]
+        mm = "00"
+    except Exception as e:
+        date = datetime.now().strftime('%Y%m%d')
+        hour = datetime.now().hour
+        # mm = datetime.now().minute
+        mm = "00"
+        log_.info("没有读取到参数，采用系统时间：{}".format(e))
+    log_.info("使用时间参数-日期：{}，小时：{}".format(date, str(hour)))
+    if hour in []:
+        log_.info(f"hour={hour}不执行，直接返回。")
+        return
+    # 1 判断上游数据表是否生产完成
+    project = "loghubods"
+    table = "alg_vid_feature_hasreturn_ros_1d_7d"
+    run_flag = True
+    begin_ts = int(time.time())
+    table_data_cnt = 0
+    while run_flag:
+        if int(time.time()) - begin_ts >= 60 * 40:
+            log_.info("等待上游数据超过40分钟了，认为失败退出:过了{}秒。".format(int(time.time()) - begin_ts))
+            sys.exit(1)
+        table_data_cnt = check_data(project, table, date, hour, mm)
+        if table_data_cnt == 0:
+            log_.info("上游数据{}未就绪{}/{}，等待...".format(table, date, hour))
+            log_.info("等待2分钟")
+            time.sleep(60 * 2)
+        else:
+            run_flag = False
+
+    log_.info("上游数据就绪，count={}，开始读取数据表".format(table_data_cnt))
+    # 2 读取数据表 处理特征
+    video_list = get_sql(project, table, date, hour, mm)
+    # 3 写入redis
+    log_.info("video的数据量:{}".format(len(video_list)))
+    records_process_for_list(video_list, process_and_store, max_size=50, num_workers=8)
+
+if __name__ == '__main__':
+    log_.info("开始执行:" + datetime.now().strftime("%Y-%m-%d %H:%M:%S"))
+    process = Process(target=main)
+    process.start()
+    # 等待子进程完成或超时
+    timeout = 3600
+    process.join(timeout=timeout)  # 设置超时为3600秒（1小时）
+    if process.is_alive():
+        print("脚本执行时间超过1小时，执行失败，经过了{}秒。".format(timeout))
+        process.terminate()  # 终止子进程
+        sys.exit(1)  # 直接退出主进程并返回状态码999
+    log_.info("完成执行:" + datetime.now().strftime("%Y-%m-%d %H:%M:%S"))
+
+
+
+# cd /root/zhangbo/rov-offline
+# python alg_recsys_feature_03_vidhasreturnrov1d7d_redis.py 20240717 10
+
+"""
+    ！！！！！！！！！！！！！！
+    更改字段：table 表名
+            REDIS_PREFIX redis的key
+            EXPIRE_TIME redis的过期时间
+            两段sql 各种字段 注意分区是否有“分钟”
+            record 各种字段
+            if hour in ["00"]: 哪些小时不执行
+            process.join(timeout=3600) 任务超时时间3600
+            int(time.time()) - begin_ts >= 60*50 任务超时时间3000
+"""