BaiduPanSaver/db.py

import pymysql
from pymysql.cursors import DictCursor
import datetime

db_config = {
    'host': '192.168.66.101',
    'user': 'root',
    'password': 'Sxzgx1209',
    'database': 'scrapy'
}


class DbAction:
    def __init__(self, end_date='today'):
        self.conn = pymysql.Connection(**db_config)
        self.cursor = self.conn.cursor(cursor=DictCursor)
        self.date_list = self.get_date_list(end_date)

    def get_db_data(self):
        query_sql = f"SELECT h.id, h.cate, h.date, h.`name`, h.save_link, h.`code`, h.unzip_pwd FROM scrapyh h WHERE h.date IN ({self.date_list})"
        ext_filter = " AND save_link != '' AND code != '' AND file_name IS NULL "
        query_sql = query_sql + ext_filter
        print(query_sql)
        # 错误调试
        # query_sql = query_sql + " AND id IN ('35334', '35335', '35336', '35337', '35338', '35339')"
        self.cursor.execute(query_sql)
        return self.cursor.fetchall()

    def update_file_name(self, data_id, file_name):
        query_sql = f"UPDATE scrapyh SET file_name = %s WHERE id = %s"
        self.cursor.execute(query_sql, (file_name, data_id))
        self.conn.commit()
        print(f'{data_id}文件名为{file_name}')

    def mark_failed(self, data_id):
        query_sql = f"UPDATE scrapyh SET file_name = '链接失效' WHERE id = %s"
        self.cursor.execute(query_sql, (data_id,))
        self.conn.commit()

    def disconnect_db(self):
        self.cursor.close()
        self.conn.close()

    @staticmethod
    def get_date_list(_end_date):
        date_list = []
        if _end_date == 'today':
            date_list.append(f"'{datetime.date.strftime(datetime.date.today(), '%Y-%m-%d')}'")
        else:
            start_date = datetime.datetime.today()
            end_date = datetime.datetime.strptime(_end_date, '%Y-%m-%d')
            delta = datetime.timedelta(days=1)
            while start_date > end_date:
                date_list.append(f"'{datetime.datetime.strftime(start_date, '%Y-%m-%d')}'")
                start_date = start_date - delta
        print(date_list)
        return ','.join(date_list)


if __name__ == '__main__':
    db_action = DbAction('2023-07-28')
    result = db_action.get_db_data()
    print(result)