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PONY - ORM & web publication framework

Pony is a fast and easy to use Python ORM

As of 2014-10-20, this project may now be found at https://github.com/ponyorm/pony/.

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Pony is an object-relational mapper. The most interesting feature of Pony is its ability to write queries to the database using generator expressions. Pony works with entities which are mapped to a SQL database. Using generator syntax for writing queries allows the user to formulate very eloquent queries. It increases the level of abstraction and allows a programmer to concentrate on the business logic of the application.

Following is an example of a query in Pony:

select(p for p in Product if p.name.startswith('A') and p.cost <= 1000)

Pony translates queries to SQL using a specific database dialect. Currently Pony works with SQLite, MySQL, PostgreSQL and Oracle databases.

Pony ORM also include the ER Diagram Editor which is a great tool for prototyping. You can create your ER diagram online at https://editor.ponyorm.com, generate the database schema based on the diagram and start working with the database using declarative queries in seconds.

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English, Russian

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User Interface

Web-based, Command-line

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