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- import json
- import yaml
- import os
- import pandas as pd
- import numpy as np
- from utils.commonFunc import update_dict, get_db_engine, city_code_transform, age_code_transform, gender_code_transform
- from functools import reduce
- from itertools import product
- from datetime import datetime
- from statsmodels.stats.proportion import proportions_ztest
- import traceback
- import requests
- from utils.BaseClass import NpEncoder
- from config.url import estimate_people_number_url, headers
- import logging
- from concurrent_log import ConcurrentTimedRotatingFileHandler
- log_formatter = logging.Formatter('%(asctime)s %(levelname)s %(message)s', '%Y/%m/%d %I:%M:%S %p')
- log_handler = ConcurrentTimedRotatingFileHandler("/data/pythonProject/ai_target/logs/BayesCombine.log", when="midnight", backupCount=100)
- log_handler.setFormatter(log_formatter)
- logger = logging.getLogger('bayes_combine_logger')
- logger.addHandler(log_handler)
- logger.setLevel(logging.DEBUG)
- print('id of bayes_combine_logger %s' % id(logger))
- class BayesFeatures(object):
- """
- 计算素材单维度的特征值
- """
- def __init__(self, signature, target_type, dim, dim_config):
- self.signature = signature
- self.target_type = target_type
- self.dim = dim
- self.dim_config = dim_config
- self.table = self.dim_config['table']
- self.file_name = self.dim_config['fieldName']
- self.dim_lst = self.dim_config['Lst']
- self.window_size = self.dim_config['windowSize']
- self.window_combine = []
- self.bayes_feature = {}
- def get_window_combine(self):
- """
- 根据size得到指定维度的滑窗组合。
- 如 age: ['18-23岁', '24-30岁','31-40岁',....] 和 size = 2
- 得到 ['18-23岁', '24-30岁'],['24-30岁','31-40岁'],......
- """
- start = 0
- while (start < len(self.dim_lst)) and (start + self.window_size <= len(self.dim_lst)):
- self.window_combine.append(self.dim_lst[start: start + self.window_size])
- start += 1
- # 添加一个全部的组合,等同于'不限'
- self.window_combine.append(['不限'])
- def get_bayes_feature(self):
- # 1、获取指定素材在指定维度下的人群数据(近一个月内的数据表现)
- sql = '''
- select signature,
- %s,
- sum(aclick) aclick,
- sum(bclick) bclick,
- sum(activation) activation
- from %s
- where signature = '%s'
- and datediff(now(),stat_date)<= %s
- group by signature, %s
- ''' % (self.file_name, self.table, self.signature, config['getBaysCombineMaterialFilterRule']['days'], self.file_name)
- df = pd.read_sql(sql, product_engine)
- if self.target_type == 'action_ratio':
- # 计算行为率(bclick/aclick)的组合特征值
- df['unbclick'] = df['aclick'] - df['bclick']
- for sub_combine in self.window_combine:
- if sub_combine != ['不限']:
- key = self.dim + '_' + '|'.join(sub_combine)
- if self.dim != 'city':
- pos_pct = df[df[self.file_name].isin(sub_combine)].bclick.sum() / df.bclick.sum()
- neg_pct = df[df[self.file_name].isin(sub_combine)].unbclick.sum() / df.unbclick.sum()
- if self.dim == 'city':
- # 获取 city_level 对应的 city_name
- city_lst = []
- for city_level in sub_combine:
- get_city_sql = """
- select city_name from ctop_kuaishou_city_level where city_level = '%s'
- """ % city_level
- city_df = pd.read_sql(get_city_sql, product_engine)
- city_lst.extend(city_df['city_name'].values)
- pos_pct = df[df[self.file_name].isin(city_lst)].bclick.sum() / df.bclick.sum()
- neg_pct = df[df[self.file_name].isin(city_lst)].unbclick.sum() / df.unbclick.sum()
- self.bayes_feature[key] = {'pos_pct': pos_pct, 'neg_pct': neg_pct}
- else:
- self.bayes_feature[self.dim + '_' + '不限'] = {'pos_pct': 1, 'neg_pct': 1}
- if self.target_type == 'convert_ratio':
- # 计算转化率(activation/bclick)的组合特征值
- df['unactivation'] = df['bclick'] - df['activation']
- for sub_combine in self.window_combine:
- if sub_combine != '不限':
- key = self.dim + '_' + '|'.join(sub_combine)
- if self.dim != 'city':
- pos_pct = df[df[self.file_name].isin(sub_combine)].activation.sum() / df.activation.sum()
- neg_pct = df[df[self.file_name].isin(sub_combine)].unactivation.sum() / df.unactivation.sum()
- if self.dim == 'city':
- # 获取 city_level 对应的 city_name
- city_lst = []
- for city_level in sub_combine:
- get_city_sql = """
- select city_name from ctop_kuaishou_city_level where city_level = '%s'
- """ % city_level
- city_df = pd.read_sql(get_city_sql, product_engine)
- city_lst.extend(city_df['city_name'].values)
- pos_pct = df[df[self.file_name].isin(city_lst)].activation.sum() / df.activation.sum()
- neg_pct = df[df[self.file_name].isin(city_lst)].unactivation.sum() / df.unactivation.sum()
- self.bayes_feature[key] = {'pos_pct': pos_pct, 'neg_pct': neg_pct}
- else:
- self.bayes_feature[self.dim + '_' + '不限'] = {'pos_pct': 1, 'neg_pct': 1}
- class BayesCombine(object):
- """
- 依据特征值,计算多维度的组合预估值
- """
- def __init__(self, signature, project_id, target_type, dim_features):
- self.signature = signature
- self.project_id = project_id
- self.target_type = target_type
- self.dim_features = dim_features
- self.bayes_combine_df = pd.DataFrame()
- self.actual_prob = None
- self.sample_size = None
- self.sig_pos_pct = None
- self.sig_neg_pct = None
- def get_bayes_estimate(self):
- dim_combine_lst = [[key for key in fea.keys()] for fea in self.dim_features]
- self.dim_features = reduce(update_dict, self.dim_features)
- # 通过 年龄对应的表: ctop_kuaishou_audience_daily_report_by_signature_age 来获取样本量,和正负比例值(其他表的数据可能会丢失导致不全)
- get_sample_and_pct_sql = """
- select sum(aclick) aclick, sum(bclick) bclick, sum(activation) activation from %s where
- signature = '%s'
- and datediff(now(),stat_date)<= %s
- """ % (config['bayesDim']['age']['table'], self.signature, config['getBaysCombineMaterialFilterRule']['days'])
- sample_pct_df = pd.read_sql(get_sample_and_pct_sql, product_engine)
- if self.target_type == 'action_ratio':
- self.sig_pos_pct = sample_pct_df['bclick'].sum() / sample_pct_df['aclick'].sum()
- self.sig_neg_pct = 1 - self.sig_pos_pct
- self.actual_prob = self.sig_pos_pct
- self.sample_size = int(sample_pct_df.aclick.sum())
- elif self.target_type == 'convert_ratio':
- self.sig_pos_pct = sample_pct_df['activation'].sum() / sample_pct_df['bclick'].sum()
- self.sig_neg_pct = 1 - self.sig_pos_pct
- self.actual_prob = self.sig_pos_pct
- self.sample_size = int(sample_pct_df.bclick.sum())
- for ele in product(*dim_combine_lst):
- pos_pct_lst = [self.dim_features[key]['pos_pct'] for key in ele]
- prob_pos = reduce(lambda x, y: x * y, pos_pct_lst)
- neg_pct_lst = [self.dim_features[key]['neg_pct'] for key in ele]
- prob_neg = reduce(lambda x, y: x * y, neg_pct_lst)
- prob = (prob_pos * self.sig_pos_pct) / (prob_neg * self.sig_neg_pct)
- out_dict = dict(zip([e.split('_')[0] for e in ele], [e.split('_')[-1] for e in ele]))
- # 计算该组合的概率值 与 实际投放的概率值 是否存在显著性差异:显著好、 显著差
- count = np.array([self.sample_size * prob, self.sample_size * self.actual_prob])
- nobs = np.array([self.sample_size, self.sample_size])
- z_score, p_value = proportions_ztest(count=count, nobs=nobs, value=None, alternative='two-sided', prop_var=False)
- out_dict['z_score'] = z_score
- out_dict['p_value'] = p_value
- out_dict['sample_size'] = self.sample_size
- try:
- # 获取该项目下在投的账号
- get_acc_sql = """select account_id from ctop_user_allocation where project_id = %s and account_status=0 limit 1""" % \
- self.project_id
- account_df = pd.read_sql(get_acc_sql, product_engine)
- account_id = account_df['account_id'].values[0]
- request_data = {'region': city_code_transform(out_dict.get('city')),
- 'ages_range': age_code_transform(out_dict.get('age')),
- 'gender': gender_code_transform(out_dict.get('gender')),
- 'advertiser_id': account_id}
- request = requests.post(url=estimate_people_number_url,
- headers=headers,
- data=json.dumps(request_data, cls=NpEncoder))
- response_data = json.loads(request.text)
- if response_data['code'] == 0:
- out_dict['crowd_coverage_cnt'] = response_data['data'].get('audience_prediction_num')
- else:
- logger.error("人群预估覆盖接口调用报错,请求数据为%s,返回数据为%s" % (str(request_data), str(response_data)))
- except:
- logger.error("人群预估覆盖接口调用报错,请求数据为%s,请求地址为%s, 返回数据为%s, 异常信息为%s" %
- (str(request_data), estimate_people_number_url, str(response_data), traceback.format_exc()))
- out_dict['combine_estimate_prob'] = prob
- out_dict['actual_prob'] = self.actual_prob
- out_dict['signature'] = self.signature
- out_dict['project_id'] = self.project_id
- out_dict['target_type'] = self.target_type
- out_dict['stat_date'] = str(datetime.now().date())
- combine = pd.DataFrame([out_dict])
- self.bayes_combine_df = self.bayes_combine_df.append(combine, ignore_index=True)
- def write_to_db(self):
- self.bayes_combine_df.to_sql(name="ctop_ai_kuaishou_signature_recommended_target_combine",
- con=engine,
- if_exists='append',
- index=False)
- if __name__ == '__main__':
- # 1、读取配置文件
- with open('/data/pythonProject/ai_target/config/config.yaml', mode='r', encoding='utf-8') as f:
- config = yaml.load(f.read(), Loader=yaml.FullLoader)
- # 1-1 数据库连接引擎,依据开发环境/生产环境 进行切换
- if os.getenv('LYY_DEV', 'unknown') == 'dev':
- engine = get_db_engine(config['devDB'])
- else:
- engine = get_db_engine(config['productDB'])
- product_engine = get_db_engine(config['productDB'])
- # 2、 参与定向组合的维度
- target_dim = [key for key in config['bayesDim'].keys() if config['bayesDim'][key]['isOn']]
- # 4、计算贝叶斯组合入库
- for project_id in config['projectId']:
- # 4.1 获取指定项目下当前活跃的素材信息, 如近3天内累计激活个数达到50个(开发环境或者生产环境,这部分都读取生产数据库)
- sql = '''
- select signature from ctop_kuaishou_report_daily_material
- where account_id in (select account_id from ctop_user_allocation where project_id = %s)
- and datediff(now(),stat_date) <= %s
- group by signature
- having sum(activation) >= %s
- ''' % (project_id,
- config['activeMaterialFilterRule']['days'],
- config['activeMaterialFilterRule']['activation'])
- df = pd.read_sql(sql, product_engine)
- active_signatures = df[~df.signature.isnull()].signature.values
- # 4.2 在素材人群报表筛选里面近一个月累计100个激活
- sql = """
- select signature from ctop_kuaishou_audience_report_daily_age_material
- where signature in %s
- and datediff(now(),stat_date) <= %s
- group by signature
- having sum(activation) >= %s
- """ % (tuple(active_signatures),
- config['getBaysCombineMaterialFilterRule']['days'],
- config['getBaysCombineMaterialFilterRule']['activation'])
- df = pd.read_sql(sql, product_engine)
- signature_lst = df['signature'].values
- # 这行代码用于测试
- # signature_lst = ['4a56bc00ce51420f3a460ab51c6f5110']
- # 4.2 计算指定素材的贝叶斯特征
- for sig in signature_lst:
- try:
- for t_type in config['targetType']:
- bayes_feature_lst = []
- for dimension in target_dim:
- cls = BayesFeatures(sig, t_type, dimension, config['bayesDim'][dimension])
- # 计算滑窗组合
- cls.get_window_combine()
- cls.get_bayes_feature()
- bayes_feature_lst.append(cls.bayes_feature)
- # 依据特征值,计算多维度的组合预估值
- cls = BayesCombine(sig, project_id, t_type, bayes_feature_lst)
- cls.get_bayes_estimate()
- cls.write_to_db()
- logger.info('project_id=%s, signature= %s 完成贝叶斯组合计算!' % (project_id, sig))
- except:
- logger.error('project_id=%s, signature=%s 贝叶斯组合计算出错,异常信息为%s!' % (project_id, sig, traceback.format_exc()))
- logger.info('project_id is %s 完成贝叶斯组合计算!' % project_id)
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