carry_efficiency_tool/utils/odps_data.py

import json
import datetime
import math
import random

from odps import ODPS

# ODPS服务配置
ODPS_CONFIG = {
    'ENDPOINT': 'http://service.cn.maxcompute.aliyun.com/api',
    'ACCESSID': 'LTAIWYUujJAm7CbH',
    'ACCESSKEY': 'RfSjdiWwED1sGFlsjXv0DlfTnZTG1P',
    'PROJECT': 'loghubods'
}
class OdpsDataCount:
    @classmethod
    def get_data_count(cls, dt):
        odps = ODPS(
            access_id=ODPS_CONFIG['ACCESSID'],
            secret_access_key=ODPS_CONFIG['ACCESSKEY'],
            project=ODPS_CONFIG['PROJECT'],
            endpoint=ODPS_CONFIG['ENDPOINT']
        )
        data_values = []
        try:
            sql = f'SELECT videoid,time,type,channel FROM loghubods.transport_spider_recommend_video_hour WHERE dt = "{dt}" and  channel = "搬运工具"'
            with odps.execute_sql(sql).open_reader() as reader:
                for row in reader:
                    data_values.append(json.dumps( {"videoid": row[0], "time": row[1], "type": row[2], "channel": row[3], "dt": str(dt)}, ensure_ascii=False ))
        except Exception as e:
            print(f"An error occurred: {e}")
            return data_values
        return data_values

    @classmethod
    def main(cls):
        dt = (datetime.datetime.now() - datetime.timedelta(hours=1)).strftime('%Y%m%d%H')
        data_count = cls.get_data_count(dt= dt)
        sample_size = math.ceil(len(data_count) / 2)
        random_selection = random.sample(data_count, sample_size)

        print(len(random_selection))
        return random_selection

if __name__ == '__main__':
    OdpsDataCount.main()