SQLAlchemy SQLAlchemy is an open source SQL toolkit and ORM for the Python programming language released under the MIT license. It was released initially in February 2006 and written by Michael Bayer. It provides "a full suite of well known enterpris…

Comparison Between Python ORMs For each Python ORM presented in this article, we are going to list their pros and cons here: SQLObject Pros: Adopted the easy-to-understand ActiveRecord pattern A relatively small codebase Cons: Naming of methods and c…

原文地址:http://pythoncentral.io/sqlalchemy-vs-orms/ Overview of Python ORMs As a wonderful language, Python has lots of ORM libraries besides SQLAlchemy. In this article, we are going to take a look at several popular alternative ORM libraries to better…

Django's ORM Django is a free and open source web application framework whose ORM is built tightly into the system. After its initial release, Django becomes more and more popular due to its straightforward design and easy-to-use web-ready features.…

Storm Storm is a Python ORM that maps objects between one or more databases and Python. It allows developers to construct complex queries across multiple database tables to support dynamic storage and retrieval of object information. It was developed…

SQLObject SQLObject is a Python ORM that maps objects between a SQL database and Python. It is becoming more popular in the programming community due to its similarity to Ruby on Rails' ActiveRecord pattern. The first version of SQLObject was release…

peewee peewee is a small, expressive ORM. Compared to other ORMs, peewee focuses on the principal of minimalism where the API is simple and the library is easy to use and understand. pip install peewee Downloading/unpacking peewee Downloading peewee-…

PonyORM PonyORM allows you to query the database using Python generators. These generators are translated into SQL and the results are automatically mapped into Python objects. Writing queries as Python generators makes it easy for programmers to qui…

Memcached Memcached 是一个高性能的分布式内存对象缓存系统,用于动态Web应用以减轻数据库负载.它通过在内存中缓存数据和对象来减少读取数据库的次数,从而提高动态.数据库驱动网站的速度.Memcached基于一个存储键/值对的hashmap.其守护进程(daemon )是用C写的,但是客户端可以用任何语言来编写,并通过memcached协议与守护进程通信. Memcached安装和基本使用 Memcached安装: 1 2 3 4 5 6 7 8 wget http://memc…

Python操作 Redis.Memcache.RabbitMQ.SQLAlchemy redis介绍:redis是一个开源的,先进的KEY-VALUE存储,它通常被称为数据结构服务器,因为键可以包含string(字符串).hash(哈希).list(链表).set(集合)和zset(有序集合),这些数据类型都支持push/pop.add/remove及取交集和并集及更丰富的操作,redis支持各种不同方式的排序.为了保证效率,数据都是缓存在内存中,它也可以周期性的把更新的数据写入磁盘或者把修改…