Pony is an advanced object-relational mapper.
Pony is an easy-to-learn and easy-to-use library. It makes your work more productive and helps to save resources.
This is free and open source software.
Features include:
- Write queries to the database using Python generator expressions and lambdas. Queries may be written by a developer familiar with Python, even without being a database expert.
- Analyzes the abstract syntax tree of the expression and translates it into a SQL query.
- Automatic query optimization
- An elegant solution for the N+1 problem
- The online database schema editor
- Compact entity definitions.
- The concise query language.
- Ability to work with Pony interactively in a Python interpreter.
- Comprehensive error messages, showing the exact part where an error occurred in the query.
- Displaying of the generated SQL in a readable format with indentation.
- The IdentityMap pattern.
- Automatic transaction management.
- Automatic caching of queries and objects.
- Full support of composite keys.
- The ability to easily write queries using LEFT JOIN, HAVING and other features of SQL.
- Pythonic API.
Website: github.com/ponyorm/pony
Support: Documentation
Developer: Alexander Kozlovsky and contributors
License: Apache License 2.0
Pony is written in Python. Learn Python with our recommended free books and free tutorials.
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