Initial YakPanel commit
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231
class_v2/panel_mysql_v2.py
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231
class_v2/panel_mysql_v2.py
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#coding: utf-8
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# +-------------------------------------------------------------------
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# | YakPanel
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# +-------------------------------------------------------------------
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# | Copyright (c) 2015-2099 YakPanel(www.yakpanel.com) All rights reserved.
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# +-------------------------------------------------------------------
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# | Author: hwliang <hwl@yakpanel.com>
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# +-------------------------------------------------------------------
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import re,os,sys,public
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class panelMysql:
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__DB_PASS = None
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__DB_USER = 'root'
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__DB_PORT = 3306
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__DB_HOST = 'localhost'
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__DB_CONN = None
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__DB_CUR = None
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__DB_ERR = None
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__DB_NET = None
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#连接MYSQL数据库
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def __Conn(self):
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if self.__DB_NET: return True
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try:
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myconf = public.readFile('/etc/my.cnf')
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socket_re = re.search(r"socket\s*=\s*(.+)",myconf)
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if socket_re:
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socket = socket_re.groups()[0]
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else:
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socket = '/tmp/mysql.sock'
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try:
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if sys.version_info[0] != 2:
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try:
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import pymysql
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except:
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public.ExecShell("pip install pymysql")
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import pymysql
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pymysql.install_as_MySQLdb()
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import MySQLdb
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if sys.version_info[0] == 2:
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reload(MySQLdb)
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except:
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try:
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import pymysql
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pymysql.install_as_MySQLdb()
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import MySQLdb
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except Exception as e:
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self.__DB_ERR = e
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return False
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try:
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rep = r"port\s*=\s*([0-9]+)"
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self.__DB_PORT = int(re.search(rep,myconf).groups()[0])
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except:
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self.__DB_PORT = 3306
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self.__DB_PASS = public.M('config').where('id=?',(1,)).getField('mysql_root')
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try:
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self.__DB_CONN = MySQLdb.connect(host = self.__DB_HOST,user = self.__DB_USER,passwd = self.__DB_PASS,port = self.__DB_PORT,charset="utf8",connect_timeout=1,unix_socket=socket)
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except MySQLdb.Error as e:
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self.__DB_HOST = '127.0.0.1'
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self.__DB_CONN = MySQLdb.connect(host = self.__DB_HOST,user = self.__DB_USER,passwd = self.__DB_PASS,port = self.__DB_PORT,charset="utf8",connect_timeout=1,unix_socket=socket)
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self.__DB_CUR = self.__DB_CONN.cursor()
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return True
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except MySQLdb.Error as e:
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self.__DB_ERR = e
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return False
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#连接远程数据库
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def connect_network(self,host,port,username,password):
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self.__DB_NET = True
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try:
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try:
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if sys.version_info[0] != 2:
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try:
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import pymysql
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except:
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public.ExecShell("pip install pymysql")
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import pymysql
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pymysql.install_as_MySQLdb()
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import MySQLdb
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if sys.version_info[0] == 2:
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reload(MySQLdb)
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except:
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try:
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import pymysql
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pymysql.install_as_MySQLdb()
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import MySQLdb
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except Exception as e:
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self.__DB_ERR = e
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return False
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self.__DB_CONN = MySQLdb.connect(host = host,user = username,passwd = password,port = port,charset="utf8",connect_timeout=10)
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self.__DB_CUR = self.__DB_CONN.cursor()
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return True
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except MySQLdb.Error as e:
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self.__DB_ERR = e
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return False
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def execute(self,sql):
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#执行SQL语句返回受影响行
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if not self.__Conn(): return self.__DB_ERR
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try:
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result = self.__DB_CUR.execute(sql)
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self.__DB_CONN.commit()
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self.__Close()
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return result
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except Exception as ex:
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return ex
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def query(self,sql):
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#执行SQL语句返回数据集
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if not self.__Conn(): return self.__DB_ERR
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try:
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self.__DB_CUR.execute(sql)
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result = self.__DB_CUR.fetchall()
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#将元组转换成列表
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if sys.version_info[0] == 2:
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data = map(list,result)
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else:
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data = list(map(list,result))
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self.__Close()
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return data
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except Exception as ex:
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return ex
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#关闭连接
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def __Close(self):
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self.__DB_CUR.close()
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self.__DB_CONN.close()
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# Mysql数据库连接类 支持Context
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class PanelMysqlWithContext:
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def __init__(self, db_name=None, db_user: str = 'root', db_pwd=None, db_host: str = 'localhost'):
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self.__CONN = None
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self.__DB_NAME = db_name
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self.__HOST = db_host
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self.__PORT = 3306
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self.__USERNAME = db_user
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self.__PASSWORD = db_pwd
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self.__CHARSET = 'utf8mb4'
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self.__CONNECT_TIMEOUT = 10
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self.__UNIX_SOCK = None
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def __enter__(self):
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if self.__CONN:
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return self
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if self.__HOST in ('localhost', '127.0.0.1'):
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self.__UNIX_SOCK = '/tmp/mysql.sock'
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self.__CONNECT_TIMEOUT = 1
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myconf = public.readFile('/etc/my.cnf')
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m = re.search(r"socket\s*=\s*(.+)", myconf)
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if m:
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self.__UNIX_SOCK = m.group(1)
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m = re.search(r"port\s*=\s*([0-9]+)", myconf)
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if m:
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self.__PORT = int(m.group(1))
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if self.__USERNAME == 'root':
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self.__PASSWORD = public.M('config').where('id=?', (1,)).getField('mysql_root')
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import pymysql
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try:
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self.__CONN = pymysql.connect(host=self.__HOST, user=self.__USERNAME, passwd=self.__PASSWORD,
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port=self.__PORT, charset=self.__CHARSET, database=self.__DB_NAME,
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connect_timeout=self.__CONNECT_TIMEOUT,
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cursorclass=pymysql.cursors.DictCursor, unix_socket=self.__UNIX_SOCK)
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except pymysql.Error:
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if self.__HOST == 'localhost':
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self.__HOST = '127.0.0.1'
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self.__CONN = pymysql.connect(host=self.__HOST, user=self.__USERNAME, passwd=self.__PASSWORD,
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port=self.__PORT, charset=self.__CHARSET, database=self.__DB_NAME,
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connect_timeout=self.__CONNECT_TIMEOUT,
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cursorclass=pymysql.cursors.DictCursor, unix_socket=self.__UNIX_SOCK)
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raise
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return self
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def __del__(self):
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if self.__CONN:
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self.__CONN.close()
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self.__CONN = None
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def __exit__(self, exc_type, exc_val, exc_tb):
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self.__CONN.close()
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self.__CONN = None
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# 执行SQL
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def execute(self, sql):
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cur = self.__CONN.cursor()
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try:
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row_count = cur.execute(sql)
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self.__CONN.commit()
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return row_count
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finally:
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cur.close()
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# 查询多条
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def query(self, sql):
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cur = self.__CONN.cursor()
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try:
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row_count = cur.execute(sql)
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if row_count == 0:
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return []
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return cur.fetchall()
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finally:
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cur.close()
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# 查询单条
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def find(self, sql):
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ret = self.query(sql)
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if len(ret) == 0:
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return None
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return ret[0]
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