Storm is an object-relational mapper (ORM) for Python.
It’s easy to write and support backends for Storm (current backends have around 100 lines of code).
Storm is free and open source software.
Features include:
- Fast.
- Efficiently access and update large datasets by allowing you to formulate complex queries spanning multiple tables using Python.
- Allows you to fallback to SQL if needed (or if you just prefer), allowing you to mix “old school” code and ORM code
- Handles composed primary keys with ease (no need for surrogate keys).
- Doesn’t do schema management, and as a result you’re free to manage the schema as wanted, and creating classes that work with Storm is clean and simple.
- Works very well connecting to several databases and using the same Python types (or different ones) with all of them.
- Handles obj.attr assignments, when that’s really needed (the expression is executed at INSERT/UPDATE time).
- Handles relationships between objects even before they were added to a database.
- Works well with existing database schemas.
- Flush changes to the database automatically when needed, so that queries made affect recently modified objects.
Website: storm.canonical.com
Support:
Developer: Canonical
License: Lesser General Public License, version 2.1
Storm is written in Python. Learn Python with our recommended free books and free tutorials.
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