rov-offline/alg_recsys_recall02_1h_region.py

# -*- coding: utf-8 -*-
import multiprocessing
import traceback
import gevent
import datetime
import pandas as pd
import math
from functools import reduce
from odps import ODPS
from threading import Timer
from my_utils import MysqlHelper, RedisHelper, get_data_from_odps, filter_video_status, filter_shield_video, \
    check_table_partition_exits, filter_video_status_app, send_msg_to_feishu, filter_political_videos
from config import set_config
from log import Log
from check_video_limit_distribute import update_limit_video_score

config_, _ = set_config()
log_ = Log()

region_code = config_.REGION_CODE


RULE_PARAMS = {
    'rule_params': {
        'rule66': {
            'view_type': 'video-show-region', 'platform_return_rate': 0.001,
            'region_24h_rule_key': 'rule66', '24h_rule_key': 'rule66'
        },
        'rule67': {
          'view_type': 'video-show-region', 'platform_return_rate': 0.001,
        'region_24h_rule_key': 'rule66', '24h_rule_key': 'rule66', 'h_rule_key': 'rule66'
         },
         'rule68': {
             'view_type': 'video-show-region', 'platform_return_rate': 0.001,
             'region_24h_rule_key': 'rule66', '24h_rule_key': 'rule66',
             'score_func': 'back_rate_exponential_weighting1'
         },

    },
    'data_params': config_.DATA_PARAMS,
    'params_list': [
        # 532
        # {'data': 'data66', 'rule': 'rule66'},  # 523-> 523 & 518
        # {'data': 'data66', 'rule': 'rule67'},  # 523->510
        # {'data': 'data66', 'rule': 'rule68'},  # 523->514
        # {'data': 'data66', 'rule': 'rule69'},  # 523->518
    ],
}

features = [
    'apptype',
    'code',
    'videoid',
    'lastonehour_preview',  # 过去1小时预曝光人数 - 区分地域
    'lastonehour_view',  # 过去1小时曝光人数 - 区分地域
    'lastonehour_play',  # 过去1小时播放人数 - 区分地域
    'lastonehour_share',  # 过去1小时分享人数 - 区分地域
    'lastonehour_return',  # 过去1小时分享，过去1小时回流人数 - 区分地域
    'lastonehour_preview_total',  # 过去1小时预曝光次数 - 区分地域
    'lastonehour_view_total',  # 过去1小时曝光次数 - 区分地域
    'lastonehour_play_total',  # 过去1小时播放次数 - 区分地域
    'lastonehour_share_total',  # 过去1小时分享次数 - 区分地域
    'platform_return',
    'lastonehour_show',  # 不区分地域
    'lastonehour_show_region',  # 地域分组
    'lasttwohour_share',  # h-2小时分享人数
    'lasttwohour_return_now',  # h-2分享，过去1小时回流人数
    'lasttwohour_return',  # h-2分享，h-2回流人数
    'lastthreehour_share',  # h-3小时分享人数
    'lastthreehour_return_now',  # h-3分享，过去1小时回流人数
    'lastthreehour_return',  # h-3分享，h-3回流人数

    'lastonehour_return_new',  # 过去1小时分享，过去1小时回流人数（回流统计为对应地域分享带回的回流，分享限制地域，回流不限制地域）
    'lasttwohour_return_now_new',  # h-2分享，过去1小时回流人数（回流统计为对应地域分享带回的回流，分享限制地域，回流不限制地域）
    'lasttwohour_return_new',  # h-2分享，h-2回流人数（回流统计为对应地域分享带回的回流，分享限制地域，回流不限制地域）
    'lastthreehour_return_now_new',  # h-3分享，过去1小时回流人数（回流统计为对应地域分享带回的回流，分享限制地域，回流不限制地域）
    'lastthreehour_return_new',  # h-3分享，h-3回流人数（回流统计为对应地域分享带回的回流，分享限制地域，回流不限制地域）
    'platform_return_new',  # 平台分发回流（回流统计为对应地域分享带回的回流，分享限制地域，回流不限制地域）
]



def merge_df(df_left, df_right):
    """
    df按照videoid, code 合并，对应特征求和
    :param df_left:
    :param df_right:
    :return:
    """
    df_merged = pd.merge(df_left, df_right, on=['videoid', 'code'], how='outer', suffixes=['_x', '_y'])
    df_merged.fillna(0, inplace=True)
    feature_list = ['videoid', 'code']
    for feature in features:
        if feature in ['apptype', 'videoid', 'code']:
            continue
        df_merged[feature] = df_merged[f'{feature}_x'] + df_merged[f'{feature}_y']
        feature_list.append(feature)
    return df_merged[feature_list]

def video_rank(df, now_date, now_h, rule_key, param, region, data_key):
    """
    获取符合进入召回源条件的视频，与每日更新的rov模型结果视频列表进行合并
    :param df:
    :param now_date:
    :param now_h:
    :param rule_key: 小时级数据进入条件
    :param param: 小时级数据进入条件参数
    :param region: 所属地域
    :return:
    """
    redis_helper = RedisHelper()

    # 获取符合进入召回源条件的视频，进入条件：小时级回流>=20 && score>=0.005
    return_count = param.get('return_count', 1)
    score_value = param.get('score_rule', 0)
    platform_return_rate = param.get('platform_return_rate', 0)
    h_recall_df = df[(df['lastonehour_return'] >= return_count) & (df['score'] >= score_value)
                     & (df['platform_return_rate'] >= platform_return_rate)]

    # videoid重复时，保留分值高
    h_recall_df = h_recall_df.sort_values(by=['score'], ascending=False)
    h_recall_df = h_recall_df.drop_duplicates(subset=['videoid'], keep='first')
    h_recall_df['videoid'] = h_recall_df['videoid'].astype(int)

    log_.info(f"各种规则过滤后，一共有多少个视频 = {len(h_recall_df)}")

    h_recall_videos = h_recall_df['videoid'].to_list()
    log_.info(f"各种规则增加后，一共有多少个视频 = {len(h_recall_videos)}")
    # 视频状态过滤
    filtered_videos = filter_video_status(h_recall_videos)

    # 屏蔽视频过滤
    shield_config = param.get('shield_config', config_.SHIELD_CONFIG)
    shield_key_name_list = shield_config.get(region, None)
    if shield_key_name_list is not None:
        filtered_videos = filter_shield_video(video_ids=filtered_videos, shield_key_name_list=shield_key_name_list)

    # 涉政视频过滤
    political_filter = param.get('political_filter', None)
    if political_filter is True:
        filtered_videos = filter_political_videos(video_ids=filtered_videos)
    log_.info(f"视频状态-涉政等-过滤后，一共有多少个视频 = {len(filtered_videos)}")


    h_video_ids = []
    # 写入对应的redis
    h_recall_result = {}
    for video_id in filtered_videos:
        score = h_recall_df[h_recall_df['videoid'] == video_id]['score']
        h_recall_result[int(video_id)] = float(score)
        h_video_ids.append(int(video_id))
    h_recall_key_name = \
        f"{config_.RECALL_KEY_NAME_PREFIX_REGION_BY_H}{region}:{data_key}:{rule_key}:" \
        f"{datetime.datetime.strftime(now_date, '%Y%m%d')}:{now_h}"
    log_.info("打印地域1小时的某个地域{},redis key:{}".format(region, h_recall_key_name))
    if len(h_recall_result) > 0:
        log_.info(f"开始写入头部数据：count = {len(h_recall_result)}, key = {h_recall_key_name}")
        redis_helper.add_data_with_zset(key_name=h_recall_key_name, data=h_recall_result, expire_time=2 * 24 * 3600)
        # 限流视频score调整
        tmp = update_limit_video_score(initial_videos=h_recall_result, key_name=h_recall_key_name)
        if tmp:
            log_.info(f"走了限流逻辑后：count = {len(h_recall_result)}, key = {h_recall_key_name}")
        else:
            log_.info("走了限流逻辑，但没更改redis，未生效。")
        # 清空线上过滤应用列表
        # redis_helper.del_keys(key_name=f"{config_.REGION_H_VIDEO_FILER}{region}.{app_type}.{data_key}.{rule_key}")
    else:
        log_.info(f"无数据，不写入。")
def cal_score_initial(df, param):
    """
    计算score
    :param df: 特征数据
    :param param: 规则参数
    :return:
    """
    # score计算公式: sharerate*backrate*logback*ctr
    # sharerate = lastonehour_share/(lastonehour_play+1000)
    # backrate = lastonehour_return/(lastonehour_share+10)
    # ctr = lastonehour_play/(lastonehour_preview+1000), 对ctr限最大值：K2 = 0.6 if ctr > 0.6 else ctr
    # score = sharerate * backrate * LOG(lastonehour_return+1) * K2

    df = df.fillna(0)
    df['share_rate'] = df['lastonehour_share'] / (df['lastonehour_play'] + 1000)
    df['back_rate'] = df['lastonehour_return'] / (df['lastonehour_share'] + 10)
    df['log_back'] = (df['lastonehour_return'] + 1).apply(math.log)
    if param.get('view_type', None) == 'video-show':
        df['ctr'] = df['lastonehour_play'] / (df['lastonehour_show'] + 1000)
    elif param.get('view_type', None) == 'video-show-region':
        df['ctr'] = df['lastonehour_play'] / (df['lastonehour_show_region'] + 1000)
    else:
        df['ctr'] = df['lastonehour_play'] / (df['lastonehour_preview'] + 1000)
    df['K2'] = df['ctr'].apply(lambda x: 0.6 if x > 0.6 else x)

    df['platform_return_rate'] = df['platform_return'] / df['lastonehour_return']

    df['score1'] = df['share_rate'] * df['back_rate'] * df['log_back'] * df['K2']

    click_score_rate = param.get('click_score_rate', None)
    back_score_rate = param.get('click_score_rate', None)
    if click_score_rate is not None:
        df['score'] = (1 - click_score_rate) * df['score1'] + click_score_rate * df['K2']
    elif back_score_rate is not None:
        df['score'] = (1 - back_score_rate) * df['score1'] + back_score_rate * df['back_rate']
    else:
        df['score'] = df['score1']

    df = df.sort_values(by=['score'], ascending=False)
    return df
def cal_score(df, param):
    df = cal_score_initial(df=df, param=param)
    return df

def process_with_region(region, df_merged, data_key, rule_key, rule_param, now_date, now_h):
    log_.info(f"多协程的region = {region} 开始执行")
    region_df = df_merged[df_merged['code'] == region]
    log_.info(f'该区域region = {region}, 下有多少数据量 = {len(region_df)}')
    score_df = cal_score(df=region_df, param=rule_param)
    video_rank(df=score_df, now_date=now_date, now_h=now_h, rule_key=rule_key, param=rule_param,
               region=region, data_key=data_key)
    log_.info(f"多协程的region = {region} 完成执行")

def process_with_param(param, data_params_item, rule_params_item, region_code_list,
                       feature_df,
                       now_date, now_h):
    data_key = param.get('data')
    data_param = data_params_item.get(data_key)
    rule_key = param.get('rule')
    rule_param = rule_params_item.get(rule_key)
    log_.info("数据采用:{},统计采用{}.".format(data_key, rule_key))
    log_.info("具体的规则是:{}.".format(rule_param))

    df_list = [feature_df[feature_df['apptype'] == apptype] for apptype in data_param]
    df_merged = reduce(merge_df, df_list)
    task_list = [
        gevent.spawn(process_with_region,
                     region, df_merged, data_key, rule_key, rule_param, now_date, now_h)
        for region in region_code_list
    ]
    gevent.joinall(task_list)
    log_.info(f"多进程的 param = {param} 完成执行!")

def get_feature_data(project, table, time_dt_h):
    records = get_data_from_odps(date=time_dt_h, project=project, table=table)
    feature_data = []
    for record in records:
        item = {}
        for feature_name in features:
            item[feature_name] = record[feature_name]
        feature_data.append(item)
    feature_df = pd.DataFrame(feature_data)
    return feature_df

def rank_by_h(project, table, time_dt_h, time_hour, rule_params, region_code_list):
    feature_df = get_feature_data(project=project, table=table, time_dt_h=time_dt_h)
    feature_df['apptype'] = feature_df['apptype'].astype(int)
    data_params_item = rule_params.get('data_params')
    rule_params_item = rule_params.get('rule_params')
    params_list = rule_params.get('params_list')
    pool = multiprocessing.Pool(processes=len(params_list))
    for param in params_list:
        pool.apply_async(
            func=process_with_param,
            args=(param, data_params_item, rule_params_item, region_code_list, feature_df, time_dt_h, time_hour)
        )
    pool.close()
    pool.join()

def h_timer_check():
    try:
        # 1 配置参数读取
        rule_params = RULE_PARAMS
        project = config_.PROJECT_REGION_APP_TYPE
        table = config_.TABLE_REGION_APP_TYPE
        region_code_list = [code for region, code in region_code.items()]

        # 2 开始执行-时间统计
        time_now = datetime.datetime.today()
        time_dt = datetime.datetime.strftime(time_now, '%Y%m%d')
        time_dt_h = datetime.datetime.strftime(time_now, '%Y%m%d%H')
        time_hour = datetime.datetime.now().hour
        time_minute = datetime.datetime.now().minute
        log_.info(f"开始执行: {time_dt_h}")

        # 查看当前小时更新的数据是否已准备好
        h_data_count = h_data_check(project=project, table=table, now_date=time_now)
        if h_data_count > 0:
            log_.info('上游数据表查询数据条数 h_data_count = {}, 开始进行更新。'.format(h_data_count))
            # 数据准备好，进行更新
            rank_by_h(time_dt_h=time_dt_h, time_hour=time_hour, rule_params=rule_params,
                      project=project, table=table, region_code_list=region_code_list)
            log_.info("数据1----------正常完成----------")
        elif time_minute > 40:
            log_.info('当前分钟超过40，预计执行无法完成，使用 bottom data!')
            h_rank_bottom(now_date=now_date, now_h=now_h, rule_params=rule_params, region_code_list=region_code_list,
                          rule_rank_h_flag=rule_rank_h_flag)
            log_.info('----------当前分钟超过40，使用bottom的data，完成----------')
        else:
            # 数据没准备好，1分钟后重新检查
            log_.info("上游数据未就绪，等待...")
            Timer(60, h_timer_check).start()
    except Exception as e:
        log_.error(f"地域分组小时级数据更新失败, exception: {e}, traceback: {traceback.format_exc()}")
        send_msg_to_feishu(
            webhook=config_.FEISHU_ROBOT['server_robot'].get('webhook'),
            key_word=config_.FEISHU_ROBOT['server_robot'].get('key_word'),
            msg_text=f"rov-offline{config_.ENV_TEXT} - 地域分组小时级数据更新失败\n"
                     f"exception: {e}\n"
                     f"traceback: {traceback.format_exc()}"
        )


if __name__ == '__main__':
    log_.info("文件01_1h_region.py:「1小时地域」 开始执行")
    h_timer_check()