python: sqlhelper

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import pymysql     def connect(*args, **kwargs):     connection = pymysql.connect(*args, **kwargs)     cur = connection.cursor()     return SQLHelper(connection, cur)     class SQLHelper(object):     delimiter = ","     SQL_TABLE_NAME = []     SQL_ROW_VALUE = []       def __init__(self, connection, cur):         self.connection = connection         self.cur = cur       def insert(self, table, **kwargs):         print(kwargs)         for key in kwargs:             self.SQL_TABLE_NAME.append(key)             self.SQL_ROW_VALUE.append("\'"+kwargs[key]+"\'")         self.SQL_TABLE_NAME = self.delimiter.join(self.SQL_TABLE_NAME)         self.SQL_ROW_VALUE = self.delimiter.join(self.SQL_ROW_VALUE)         print(self.SQL_TABLE_NAME)         sql = "INSERT INTO " + table + " ( " + self.SQL_TABLE_NAME + " ) VALUES ( " + self.SQL_ROW_VALUE + " );"         print(sql)         self.cur.execute(sql)       def close(self):         self.cur.close()         self.connection.close()

　　

SQL Server

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""" SQLServerDAL.py 读取SQL Server数据 date 2023-06-13 edit: Geovin Du,geovindu, 涂聚文 IDE: pycharm edit python 11 如何写一个SQLHelper   """   import os import sys from pathlib import Path import re import pymssql  #sql server import pymysql import Insurance       class SQLClass(object):     """     Sql server     考虑从配置文件读取数据库的连接       """     def __init__(self, strserver, struser, strpwd,strdatabase):         """           :param strserver:         :param struser:         :param strpwd:         :param strdatabase:         """         self._strserver=strserver         self._struser=struser         self._strpwd=strpwd         self._strdatabase=strdatabase         def select(self):         """         查询所有记录                    """         conn = pymssql.connect(             server=self._strserver,             user=self._struser,             password=self._strpwd,             database=self._strdatabase         )         cursor = conn.cursor()         cursor.execute('select * from InsuranceMoney;')         row = cursor.fetchone()         while row:             print(str(row[0]) + " " + str(row[1]) + " " + str(row[2]))                row = cursor.fetchone()        def insert(self,iobject):         """         插入操作         param:iobject 输入保险类                    """         dubojd=Insurance.InsuranceMoney(iobject)         conn = pymssql.connect(             server=self._strserver,             user=self._struser,             password=self._strpwd,             database=self._strdatabase         )         cursor = conn.cursor()         cursor.execute("insert into InsuranceMoney(InsuranceName,InsuranceCost,IMonth) OUTPUT INSERTED.ID VALUES ('{0}', {1}, {2})".format(dubojd.getInsuranceName, dubojd.getInsuranceCost,dubojd.getIMonth))         row = cursor.fetchone()         while row:             print("Inserted InsuranceMoney ID : " +str(row[0]))             row = cursor.fetchone()         conn.commit()         conn.close()            def insertStr(self,InsuranceName,InsuranceCost,IMonth):         """         插入操作         param:InsuranceName         param:InsuranceCost         param:IMonth            """         conn = pymssql.connect(             server=self._strserver,             user=self._struser,             password=self._strpwd,             database=self._strdatabase         )         cursor = conn.cursor()         cursor.execute("insert into InsuranceMoney(InsuranceName,InsuranceCost,IMonth) OUTPUT INSERTED.ID VALUES('{0}',{1},{2})".format(InsuranceName, InsuranceCost,IMonth))         row = cursor.fetchone()         while row:             print("Inserted InsuranceMoney ID : " +str(row[0]))             row = cursor.fetchone()         conn.commit()         conn.close()

　　

 

MySQL

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""" MySQLDAL.py 读取MySQL数据 date 2023-06-15 edit: Geovin Du,geovindu, 涂聚文 ide: PyCharm 2023.1 python 11 参考： https://www.mssqltips.com/sqlservertip/6694/crud-operations-in-sql-server-using-python/ https://learn.microsoft.com/zh-cn/sql/connect/python/pymssql/step-3-proof-of-concept-connecting-to-sql-using-pymssql?view=sql-server-ver16 https://docs.sqlalchemy.org/en/20/tutorial/data_update.html https://datatofish.com/update-records-sql-server/ https://www.dev2qa.com/how-to-use-python-to-insert-delete-update-query-data-in-sqlite-db-table/ https://kontext.tech/article/893/call-sql-server-procedure-in-python https://learn.microsoft.com/en-us/sql/connect/python/pymssql/python-sql-driver-pymssql?view=sql-server-ver16 https://pythontic.com/database/mysql/stored_procedure https://github.com/pymssql/pymssql/blob/master/tests/test_connections.py https://pynative.com/python-mysql-execute-stored-procedure/   """   import sys import os import pymssql import pymysql import pyodbc import bookkind     class sqlDAL(object):     """       """       def __init__(self, strserver, struser, strpwd,strdatabase):         """           :param strserver:         :param struser:         :param strpwd:         :param strdatabase:         """         self._strserver=strserver         self._struser=struser         self._strpwd=strpwd         self._strdatabase=strdatabase     def mysqlconnect(self):         """         连接MySQL 检测其版本         """         # To connect MySQL database         conn = pymysql.connect(             host=self._strserver, #'localhost',             user=self._struser,#'root',             password=self._strpwd,#"geovindu",             db=self._strdatabase #'geovindu',         )           cur = conn.cursor()         cur.execute("select @@version")         output = cur.fetchall()         print(output)           # To close the connection         cur.close()         conn.close()       def connectDB(self, host, user, psw, db_name, charset='utf8'):         self.db = pymysql.connect(host=host, user=user, password=psw, db=db_name, charset=charset)       def execSql(self,sql):         """         执行SQL语句         :param sql: SQL 语句         :return:         """         # sql is insert, delete or update statement         cursor = self.db.cursor()         try:             cursor.execute(sql)             # commit sql to mysql             self.db.commit()             cursor.close()             return True         except:             self.db.rollback()         return False       def select(self):         """         查询         """         # To connect MySQL database         conn = pymysql.connect(             host=self._strserver, #'localhost',             user=self._struser,#'root',             password=self._strpwd,#"geovindu",             db=self._strdatabase #'geovindu',         )           cursor = conn.cursor()         cursor.callproc('proc_Select_BookKindListAll')         # print results         print("Printing BookKind details")         # for result in cursor.stored_results():         # print(result.fetchall())         rows = cursor.fetchall()         for row in rows:             print(f'{row[0]} {row[1]} {row[2]}')         # To close the connection         cursor.close()         conn.close()       def selectdu(self):         """         查询         """         # To connect MySQL database         conn = pymysql.connect(             host=self._strserver, #'localhost',             user=self._struser,#'root',             password=self._strpwd,#"geovindu",             db=self._strdatabase #'geovindu',         )           cursor = conn.cursor()         cursor.callproc('proc_Select_BookKindListAll')         # print results         print("Printing BookKind details")         # for result in cursor.stored_results():         details = cursor.fetchall()  # cursor.stored_results()#result.fetchall()         for det in details:             print(det)         # To close the connection         cursor.close()         conn.close()       def Add(self,objdu):         """         添加         :param objdu: 书目录类         :return:         """         # To connect MySQL database         conn = pymysql.connect(             host=self._strserver, #'localhost',             user=self._struser,#'root',             password=self._strpwd,#"geovindu",             db=self._strdatabase #'geovindu',         )         # print(type(objdu.getBookKindName()),objdu.getBookKindParent())         cursor = conn.cursor()  # prepared=True         args = (objdu.getBookKindName(), objdu.getBookKindParent())         cursor.callproc('proc_Insert_BookKindList', args)         conn.commit()         # print results         print("Printing BookKind details")         # for result in cursor.stored_results():         # print(result.fetchall())         # To close the connection         cursor.close()         conn.close()           def Addstr(self,BookKindID, BookKindName, BookKindParent):         """         添加         :param BookKindName:         :param BookKindParent:         :return:         """         # To connect MySQL database         conn = pymysql.connect(             host=self._strserver, #'localhost',             user=self._struser,#'root',             password=self._strpwd,#"geovindu",             db=self._strdatabase #'geovindu',         )           cursor = conn.cursor()  # prepared=True         args = (BookKindName, BookKindParent)         cursor.callproc('proc_Insert_BookKindList', args)         conn.commit()         # print results         print("Printing BookKind details")         # for result in cursor.stored_results():         # print(result.fetchall())         # To close the connection         cursor.close()         conn.close()       def edit(self,objdu):         """         修改         :param objdu: 书目录类         :return:         """         # To connect MySQL database         conn = pymysql.connect(             host=self._strserver, #'localhost',             user=self._struser,#'root',             password=self._strpwd,#"geovindu",             db=self._strdatabase #'geovindu',         )         # print(type(objdu.getBookKindName()),objdu.getBookKindParent())         cursor = conn.cursor()  # prepared=True         args = (objdu.getBookKindID(), objdu.getBookKindName(), objdu.getBookKindParent())         cursor.callproc('proc_Update_BookKindList', args)         conn.commit()         # print results         print("Printing BookKind details")         # for result in cursor.stored_results():         # print(result.fetchall())         # To close the connection         cursor.close()         conn.close()       def delid(self,kindID):         """         修改         :param kindID: 书目录类         :return:         """         # To connect MySQL database         conn = pymysql.connect(             host=self._strserver, #'localhost',             user=self._struser,#'root',             password=self._strpwd,#"geovindu",             db=self._strdatabase #'geovindu',         )         # print(type(objdu.getBookKindName()),objdu.getBookKindParent())         cursor = conn.cursor()  # prepared=True         args = (kindID)         cursor.callproc('proc_Update_BookKindList', args)         conn.commit()         # print results         print("Printing BookKind details")         # for result in cursor.stored_results():         # print(result.fetchall())         # To close the connection         cursor.close()         conn.close()

　　

调用：

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my=MySQLDAL.sqlDAL('localhost','root','geovindu','geovindu') print(type(my)) my.mysqlconnect(); my.edit(bookkind.BookKindList(2, "文学", 1)) my.Add(bookkind.BookKindList(0, "社会科学", 3)) my.select() my.selectdu()

　　

https://github.com/aws-samples/aws-serverless-app-with-aurora-and-python-sql-alchemy-example
https://tortoise.github.io/
http://sqlobject.org/SQLObject.html
https://opensource.com/article/17/11/django-orm
https://www.libhunt.com/l/python/topic/orm Top 23 Python ORM Projects
https://www.monocubed.com/blog/top-python-frameworks/
https://github.com/encode/orm
https://github.com/nebula-contrib/nebula-carina
https://github.com/vinta/awesome-python
https://geekflare.com/best-python-frameworks/
Django
Peewee
InfluxDB
SQLAlchemy
MongoEngine
tortoise-orm
PonyORM
GINO
Sonar
PynamoDB https://www.libhunt.com/r/PynamoDB
sandman2 https://www.libhunt.com/r/sandman2 https://github.com/jeffknupp/sandman2
django-cacheops https://www.libhunt.com/r/django-cacheops
orm https://www.libhunt.com/r/encode/orm
Orator
ormar
beanie
prisma-client-py
walrus
piccolo
django-mongodb-engine
odmantic
aerich
sqlalchemy-mixins
pyDAL
μMongo
SaaSHub

https://github.com/kenjyco/sql-helper
https://github.com/VinceBarry/PyMySQLHelper/blob/master/SQLHelper.py
https://github.com/campbsb/PySqlHelper/blob/master/sql_helper_mysql.py
https://programs.team/sqlhelper-python-implementation.html

pip install pymssql
pip install pysqlite3
pip install pymysql
pip install pyodbc

 

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import pymysql import threading from DBUtils.PooledDB import PooledDB import greenlet     POOL = PooledDB(             creator=pymysql,  # Modules that use linked databases             maxconnections=6,  # The maximum number of connections allowed by the connection pool, 0 and None means unlimited connections             mincached=2,  # When initialized, at least the link created in the link pool, 0 means not created             blocking=True,  # Whether to block and wait if there is no available connection in the connection pool.  True, wait; False, do not wait and report an error             ping=0,             # ping MySQL On the server side, check if the service is available.# For example: 0 = None = never, 1 = default = whenever it is requested, 2 = when a cursor is created, 4 = when a query is executed, 7 = always             host='127.0.0.1',             port=3306,             user='root',             password='000000',             database='flask_day1',             charset='utf8'         )       class SqlHelper(object):     def __init__(self):         self.conn = None         self.cursor = None         def open(self):         conn = POOL.connection()         cursor = conn.cursor()           return conn,cursor       def close(self,cursor,conn):         cursor.close()         conn.close()       def __enter__(self):           self.conn,self.cursor = self.open()         return self.cursor       def __exit__(self, exc_type, exc_val, exc_tb):           self.close(self.cursor,self.conn)