import logging
from abc import ABCMeta
from common_func.constant import Constant
from common_func.db_manager import DBManager
from common_func.path_manager import PathManager
from msconfig.config_manager import ConfigManager
class BaseModel(metaclass=ABCMeta):
"""
stars base model class. Used to operate db.
"""
TABLES_PATH = ConfigManager.TABLES
def __init__(self: any, result_dir: str, db_name: str, table_list: list) -> None:
self.result_dir = result_dir
self.conn = None
self.cur = None
self.table_list = table_list
self.db_name = db_name
def __enter__(self):
self.init()
return self
def __exit__(self, exc_type, exc_val, exc_tb):
self.finalize()
def init(self: any) -> bool:
"""
create db and tables
"""
self.conn, self.cur = DBManager.create_connect_db(
PathManager.get_db_path(self.result_dir, self.db_name))
if not (self.conn and self.cur):
return False
return True
def check_db(self: any) -> bool:
"""
check db exist
"""
self.conn, self.cur = DBManager.check_connect_db(self.result_dir, self.db_name)
if not (self.conn and self.cur):
return False
return True
def check_table(self: any) -> bool:
"""
check db exist
"""
self.conn, self.cur = DBManager.check_connect_db(self.result_dir, self.db_name)
if not (self.conn and self.cur):
logging.warning("Failed to connect database, please check database of %s. ", self.db_name.split(".")[0])
return False
for table_name in self.table_list:
if not DBManager.judge_table_exist(self.cur, table_name):
logging.warning("Table %s not found.", table_name)
return False
return True
def finalize(self: any) -> None:
"""
release conn and cur
"""
DBManager.destroy_db_connect(self.conn, self.cur)
def create_table(self: any) -> None:
"""
create table
"""
for table_name in self.table_list:
if DBManager.judge_table_exist(self.cur, table_name):
continue
table_map = "{0}Map".format(table_name)
sql = DBManager.sql_create_general_table(table_map, table_name, self.TABLES_PATH)
DBManager.execute_sql(self.conn, sql)
def insert_data_to_db(self: any, table_name: str, data_list: list) -> None:
"""
insert data into the table.
:param table_name: table name
:param data_list: data_list
:return: None
"""
if self.conn and data_list:
sql = 'insert into {0} values ({1})'.format(table_name, "?," * (len(data_list[0]) - 1) + "?")
if not DBManager.executemany_sql(self.conn, sql, data_list):
logging.warning('insert data to table %s failed, please check.', table_name,
exc_info=Constant.TRACE_BACK_SWITCH)
def drop_table(self: any, table_name: str) -> None:
if DBManager.judge_table_exist(self.cur, table_name):
DBManager.drop_table(self.conn, table_name)
def get_all_data(self: any, table_name: str, dto_class: any = None) -> list:
"""
get all data from db
:param table_name:
:param dto_class:
:return:
"""
if not DBManager.judge_table_exist(self.cur, table_name):
return []
all_data_sql = "select * from {}".format(table_name)
return DBManager.fetch_all_data(self.cur, all_data_sql, dto_class=dto_class)