deflogin_check(userName,Password):
cursor, db = connect_database()
sql =f"SELECT CustomerName FROM customer" \
f" WHERE CustomerId='{
userName}' and Password='{
Password}'"print(sql)
results =""try:
cursor.execute(sql)
results = cursor.fetchall()except:print('login error')return'login error'iflen(results)==0:print('username or password not right')return'username or password not right'else:print(results[0][0])return results[0][0]
check login status
deflogging_status(ID):if ID ==None:returnFalsereturnTruedefshow_shopItems(shopId):
cursor,db=connect_database()
sql =f"SELECT * FROM shopitem WHERE ShopId={
shopId}"if shopId ==''or shopId =='input shop ID here':
sql="SELECT * FROM shopitem"
results=""try:
cursor.execute(sql)
results = cursor.fetchall()for row in results:
shopId = row[0]
ItemName = row[1]
Price = row[2]
ItemId = row[3]
Keywords = row[4]except:print("Error: unable to fetch data")returnNone
db.close()return results