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import os
import sys
os.environ["PYARROW_IGNORE_TIMEZONE"] = "1"
sys.path.append(os.path.dirname(sys.path[0])) # 上级目录
from utils.templates import Templates
# from ..utils.templates import Templates
from pyspark.sql import functions as F
from pyspark.sql.window import Window
class DimAsinImgInfo(Templates):
def __init__(self, site_name='us'):
super().__init__()
self.site_name = site_name
self.db_save = f'dim_asin_img_info'
self.spark = self.create_spark_object(app_name=f"{self.db_save}: {self.site_name}")
self.df_asin_img = self.spark.sql(f"select 1+1;")
self.df_asin_truncate = self.spark.sql(f"select 1+1;")
self.df_save = self.spark.sql(f"select 1+1;")
self.partitions_by = ['site_name']
self.reset_partitions(100)
def read_data(self):
sql = f"select asin, asin_img_url, asin_img_path, asin_trun_1, asin_trun_2, asin_trun_3, asin_trun_4, asin_trun_5, " \
f"asin_trun_6, asin_trun_7, asin_trun_8, asin_trun_9, date_info_img_url as date_info, site_name " \
f"from dim_asin_stable_info where site_name='{self.site_name}';"
print("sql:", sql)
self.df_asin_img = self.spark.sql(sql).cache()
self.df_asin_img.show(10, truncate=False)
# print(111, self.df_asin_img.count())
self.df_asin_img = self.df_asin_img.filter("asin_img_url is not null")
# print(222, self.df_asin_img.count())
sql = f"select asin, asin_img_url, 3 as state " \
f"from dim_cal_asin_truncate where site_name='{self.site_name}' and asin_img_url is not null;"
print("sql:", sql)
self.df_asin_truncate = self.spark.sql(sql).cache()
self.df_asin_truncate.show(10, truncate=False)
print(self.df_asin_truncate.count())
def handle_data(self):
self.df_save = self.df_asin_img.join(
self.df_asin_truncate, on=['asin', 'asin_img_url'], how='left'
)
self.df_save = self.df_save.fillna({'state': 1})
# self.df_save.show(10, truncate=False)
# print(self.df_save.count())
# quit()
if __name__ == '__main__':
site_name = sys.argv[1] # 参数1：站点
handle_obj = DimAsinImgInfo(site_name=site_name)
handle_obj.run()